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 Information Systems Laboratory

Publications by year

2004

Giorgos Flouris, Dimitris Plexousakis, Grigoris Antoniou
AGM Postulates in Arbitrary Logics: Initial Results and Applications.
Technical Report FORTH-ICS/TR-336, April 2004.
Available: pdf file (994 Kb).

Giorgos Flouris, Dimitris Plexousakis, Grigoris Antoniou
Generalizing the AGM Postulates: Preliminary Results and Applications
To appear in Belief Change 04 Subworkshop of International Workshop on Non-Monotonic Reasoning 2004 (NMR-04), June 6-8, 2004, Westin Whistler Resort and Spa, Whistler BC, Canada.
Available: pdf file (374 KB).

G. Karvounarakis, A. Magkanaraki, S. Alexaki, V. Christophides, D. Plexousakis, M. Scholl, K. Tolle,
RQL: A Functional Query Language for RDF, at The Functional Approach to Data Management: Modelling, Analyzing and Integrating Heterogeneous Data, P.M.D.Gray, L.Kerschberg, P.J.H.King, A.Poulovassilis (eds.), 2004 LNCS Series, Springer-Verlag, pp.435-465
Available: pdf file (536 KB)

2003

G. Antoniou,
Embedding Defeasible Logic into Logic Programming. In Proc. 9th Panhellenic Conference in Inofrmatics (PCI’2003), pp. 80-89, LNCS, Springer 2003
Available: pdf file (190 KB)

Flouris G., Plexousakis D., Antoniou G.,
On a Unifying Framework for Comparing Knowledge Representation Schemes, in Proceedings of the 10th International Workshop Knowledge Representation meets Databases (KRDB2003) Hamburg, Germany, Sept.15-16, (2003)
Available: pdf file (134 KB)

Papadakis N., Plexousakis D.,
Actions with Duration and Constraints: the Ramification Problem in Temporal Databases, International Journal on Artificial Intelligence Tools, 12 (3): 315-353, Special Issue on Selected Papers from the 2002 IEEE International Conference on Tools with Artificial Intelligence (2003).
Available: ps file (309 KB)

Martin Doerr
The CIDOC CRM – An Ontological Approach to Semantic Interoperability of Metadata, AI Magazine, Volume 24, Number 3 (2003).
Available: pdf file (548 kb)

Papadakis N., Plexousakis D.,
Addressing the Ramification Problem in a Temporal Context: the Case of Concurrent Actions, in Proceedings of the 15th IEEE International Conference on Tools with Artificial Intelligence ICTAI03, Sacramento, California, Nov. 3-5 (2003)
Available: ps file (151 KB)

Y. Tzitzikas, A. Analyti, and N. Spyratos,
The Semantics of the Compound Term Composition Algebra,
International Conference on Ontologies, DataBases, and Applications of Semantics for Large Scale Information Systems (ODBASE 2003), LNCS 2888, November 2003, pp. 970-985
Available: pdf file (163 Kb)

Manolis Stamatogiannakis
Bluetooth Based Personal Area Network Architectures
Master of Science Thesis, Dept. of Computer Science, University of Crete, November 2003.
Available in Greek: pdf file (0,820 MB)

Giorgos Zacharioudakis
Smart service discovery protocols over Bluetooth ad-hoc personal area networks
Master of Science Thesis, Dept. of Computer Science, University of Crete, November 2003.
Available in Greek: pdf file (0,906 MB)

Y. Tzitzikas, A. Analyti, and N. Spyratos,
The Semantics of the Compound Term Composition Algebra,
International Conference on Ontologies, DataBases, and Applications of Semantics for Large Scale Information Systems (ODBASE 2003), LNCS 2888, November 2003, pp. 970-985
Available: pdf file (163 Kb)

A. Magkanaraki, V. Tannen, V. Christophides and D. Plexousakis,
Viewing the Semantic Web Through RVL Lenses, Proc of the Second International Semantic Web Conference (ISWC'03), (LNCS 2870), pp.96-112, Sanibel Island, Florida, USA, 20-23 October, 2003.
Available: pdf file (399 KB)

Flouris G., Plexousakis D., Antoniou G.,
On a Unifying Framework for Comparing Knowledge Representation Schemes, in Proceedings of the 10th International Workshop Knowledge Representation meets Databases (KRDB2003) Hamburg, Germany, Sept.15-16, (2003)
Available: pdf (134 KB)

G. Karvounarakis, A. Magkanaraki, S. Alexaki, V. Christophides, D. Plexousakis, M. Scholl, K. Tolle,
Querying the Semantic Web with RQL, at Computer Networks and ISDN Systems Journal, Vol. 42(5), August 2003, pp. 617-640. Elsevier Science
Available: pdf file (491 KB)

Katzagiannaki I., Plexousakis D.,
Information Dissemination based on Semantic Relations, in Proceedings of CAiSE Forum 2003, pp. 245-248, Klagenfurt/Velden, Austria, June 16-20 (2003).
Available: pdf file (171 KB)

Papagelis E., Plexousakis D.
Recommendation-based Discovery of Dynamic Virtual Communities, in Proeedings of CAiSE Forum 2003, pp. 197-200, Klagenfurt/Velden, Austria, June 16-20 (2003).
Available: pdf file (672 KB)

Y. Tzitzikas, A. Analyti, N. Spyratos and P. Constantopoulos,
An Algebraic Approach for Specifying Compound Terms in Faceted
Taxonomies,
Proceedings of the 13th European-Japanese Conference on Information
Modelling and Knowledge Bases, EJC2003, Kitakyushu, Japan, June 2003, In book: Information Modelling and knowledge Bases XV, IOS Press, 2004, pp. 67-87.
Available: pdf file (214 Kb)

C. Houstis, S. Lalis, V.Christophides, D. Plexousakis, E. Vavalis, M. Pitikakis, K. Kritikos, A. Smardas,
A Data, Computation and Knowledge Grid: the case of the ARION system, Proc. of the 5th International Conference on Enterprise Information Systems (ICEIS2003), pp.359-365, Angers, France, April 23-26 , 2003.
Available: pdf file (276 KB)

M. Doerr, J. Hunter, C. Lagoze
Towards a Core Ontology for Information Integration, in Journal of Digital information, volume 4 issue 1, April 2003
Available: pdf file (109 Kb) and
http://jodi.ecs.soton.ac.uk/Articles/v04/i01/Doerr/

George Flouris, Dimitris Plexousakis & Grigoris Antoniou
Describing Knowledge Representation Schemes: a Formal Account, 
Technical Report FORTH-ICS/TR-320, April 2003. 
Available: pdf file (1.6 MB). 

Nick Crofts, Martin Doerr and Tony Gill, The CIDOC Conceptual Reference Model A Standard for Communicating Cultural Contents, in Cultivate Interactive, Issue 9, February 2003
Available html file (66 kb)

Sotirios V. Tourtounis:
Labeling Schemes for the Semantic Web.
Master of Science Thesis, Dept. of Computer Science, University of Crete, February 2003.
Available in Greek: pdf file (4,432 MB)

Aggeliki I. Tzorbatzaki:
Reification Support in the model of RDF/S
Master of Science Thesis, Dept. of Computer Science, University of Crete, February 2003.
Available in Greek: pdf file (1,709 MB)

2002

Y. Tzitzikas, N. Spyratos, P. Constantopoulos and A. Analyti,
"Extended Faceted Taxonomies for Web Catalogs",
Third International Conference on Web Information Systems Engineering,
WISE 2002, Singapore, 12-14 December, 2002, pp. 192-204.
Available: pdf file (141 KB)

Aimilia Magakanaraki:
RVL: A view definition language for RDF/S.
Master of Science Thesis, Dept. of Computer Science, University of Crete, November 2002.
Available in Greek: pdf file (2,671 MB)

Katzagiannaki G. Irini – Ilektra:
Information dissemination based on semantic relations
Master of Science Thesis, Dept. of Computer Science, University of Crete, 2002.
Available in Greek: pdf file (1,927 MB)

Y. Tzitzikas, N. Spyratos and P. Constantopoulos,
"Deriving Valid Expressions from Ontology Definitions",
Proceedings of the 11th European-Japanese Conference on Information Modelling and Knowledge Bases, Maribor, Slovenia, 29 May-1 June, 2001.
In Information Modelling and Knowledge Bases XIII, Kangassalo H., Welzer T., Jaakkola H., Rozman I., Kawaguchi E. (editors), IOS Press, Amsterdam, 2002.
Available: Compressed ps.gz file (238 KB)

Y.Tzitzikas,
Collaborative Ontology-based Information Indexing and retrieval. Doctoral Dissertation, Heraklion June 2002.
Available:pdf file (1.14 Mb)

A. Magkanaraki, S. Alexaki, V. Christophides, and Dimitris Plexousakis,
Benchmarking RDF Schemas for the Semantic Web, First International Semantic Web Conference (ISWC'02), Sardinia, Italy, June 9-12, 2002.
Available: pdf file (590 KB)

Yannis Tzitzikas, Nicolas Spyratos and Panos Constantopoulos,
"Query Evaluation for Mediators over Web Catalogs",
Proceedings of 27th International Conference on Information and Communication Technologies and
Programming, ICT&P 2002, Primorsko, Bulgaria, June 24-29, 2002. Aslo published in International Journal of Information Theories and Applications, 9(2), 2002.
Available: compressed ps.gz file (73 KB)

On Personalizing the Catalogs of Web Portals, N. Spyratos, Y. Tzitzikas, V. Christophides, Special Track on Semantic Web at the 15th International FLAIRS'02 Conference, Florida, May 14-16, 2002.
flairs02.pdf (78 KB)

Yannis Tzitzikas, Nicolas Spyratos, Panos Constantopoulos and Anastasia Analyti,
"Extended Faceted Ontologies", (short paper),
Fourteenth International Conference on Advanced Information Systems
Engineering, CAiSE-2002, Toronto, Canada, May 11-12, 2002.
Available: compressed ps.gz file (57 KB)

Yannis Tzitzikas, Nicolas Spyratos and Panos Constantopoulos,
"Query Translation for Mediators over Ontology-based Information Sources",
Second Hellenic Conference on Artificial Intelligence, SENT-2002,
Thessaloniki, Greece, April 11-12, 2002.
Available: compressed ps.gz file (104 KB)

Panos Constantopoulos, Martin Doerr, Maria Theodoridou, Manolis Tzobanakis
"Historical documents as monuments and as sources", Computer Applications and Quantitative Methods in Archaeology Conference, CAA2002, 2-6 April, 2002, Heraklion, Greece.
Available: pdf file (307 KB).

Nikos Papadopoulos & Dimitris Plexousakis, 
The Role of Semantic Relevance in Dynamic User Community Management and the Formulation of Recommendations,
to appear in 14th International Conference on Advanced Information Systems Engineering, Toronto, 2002. 
Available: pdf file (180 KB). 

G. Karvounarakis, S. Alexaki, V. Christophides, D. Plexousakis, Michel Scholl,
RQL: A Declarative Query Language for RDF, The Eleventh International World Wide Web Conference (WWW'02), Honolulu, Hawaii, USA, May 7-11, 2002.
Available: pdf file (308 Kb)

N. Papadakis & D. Plexousakis, 
The Ramification and Qualification Problems in Temporal Databases 
Proceedings of the 2nd Hellenic Conference on Artificial Intelligence, Thessaloniki, Greece, April, 2002.
Available: pdf file (184 KB), compressed ps file (60 KB). 

Nikos Papadakis & Dimitris Plexousakis, 
The Ramification Problem in Temporal Databases
submitted for publication, 2002.
Available: pdf file (85 KB). 

S. Alexaki, N. Athanasis, V. Christophides, G. Karvounarakis, A. Maganaraki, D. Plexousakis & K. Tolle, 
The FORTH-ICS RDFSuite: High-level Scalable Tools for the Semantic Web
submitted for publication, 2002.
Available: pdf file (85 KB). 

M. Koubarakis & D. Plexousakis, 
A Formal Framework for Business Process Modeling and Design
to appear in Information Systems, 2002.
Available: pdf file (314 KB), compressed ps file (100 KB). 

2001

Yannis Tzitzikas, Nicolas Spyratos and Panos Constantopoulos,
Mediators over Ontology-based Information Sources
Second International Conference on Web Information Systems Engineering, WISE 2001, Kyoto, Japan, Dec 3-6, 2001. 
Available: pdf file (161 KB), compressed ps file (78 KB). 

G. Karvounarakis, V. Christophides & D. Plexousakis, 
RQL: A Declarative Query Language for RDF
D-Lib Magazine, Vol. 7, no. 12, December 2001. 
Available: pdf file (27 KB), compressed ps file (49 KB). 

Nikos G. Papadopoulos:
Development of a system that provides adaptive recommendation services, based on dynamic user-communities management
Master of Science Thesis, Dept. of Computer Science, University of Crete, November 2001.
Available in Greek: pdf file (2,231 MB)

George Flouris & Dimitris Plexousakis, 
Belief Revision in Propositional Knowledge Bases
Proc. of the 8th Panhellenic Conference on Informatics, Nicosia, Cyprus, November 8-10, 2001.
Available: pdf file (324 KB), compressed ps file (213 KB). 

Nikos Papadakis & Dimitris Plexousakis, 
Action Theories in Temporal Databases
Proc. of the 8th Panhellenic Conference on Informatics, Nicosia, Cyprus, November 8-10, 2001.
Available: pdf file (186 KB), compressed ps file   (66 KB). 

Martin Doerr, Dimitris Plexousakis & Chryssoula Bekiari, 
A Metamodel for Part-Whole Relationships for Reasoning on Missing Parts and Reconstruction
Proc. of ER-2001, Yokohama, Japan, 2001. 
Available: pdf file (368 KB), compressed ps file (1,3 MB). 

George Flouris, Dimitris Plexousakis
On the Use of Matrices for Belief Revision,
In LNCS 2563, "Advances in Informatics 8th Panhellenic Conference in Informatics".
Yannis Manolopoulos, Skevos Evripidou, Antonis Kakas (eds). Nicosia, Cyprus,
November 8-10, 2001. Revised Selected Papers
http://link.springer.de/link/service/series/0558/tocs/t2563.htm
Available: pdf file (213 Kb)

V. Christophides, R. Hull, G. Karvounarakis, A. Kumar, G.Tong & M. Xong, 
Beyond Discrete E-Services: Composing Session-Oriented Services in Telecommunications 
Proc. of the Second International Workshop on Technologies for e-Services (TES 2001) in conjuction with VLDB 2001 Conference, Rome, Italy September 14-15, pages 58-73, 2001. 
Available: pdf file (233 KB). 

George Flouris: 
Belief Revision in Knowledge Bases
Technical Report FORTH-ICS/TR-292, October 2001. 
Available in Greek: pdf file (3 MB). 

V. Christophides, R. Hull & A. Kumar, 
Querying and Splicing of XML Workflows
Proc. of the Sixth International Conference on Cooperative Information Systems (CoopIS 2001), Trento, Italy September 5-7, 2001. 
Available: pdf file (250 KB). 

Nick Crofts, Ifigenia Dionissiadou, Martin Doerr & Matthew Stiff, 
Definition of the CIDOC object-oriented Conceptual Reference Model, Version 3.2
ISO Working Document ISO/TC46/SC4/WG9/2, July 2001. 
Available: pdf file (558 KB), compressed ps file (1.2 MB). 

George Flouris & Dimitris Plexousakis, 
Belief Revision using Table Transformation
Technical Report FORTH-ICS/TR-290, July 2001. 
Available: pdf file (1.2 MB). 

Theofania Aggelopoulou: 
A Thematic Classification System of Ottoman written documents of the Turkish Archive in Heraklion
Master of Science Thesis, Interdisciplinary Post-Graduate Program, Dept. of History-Archaeology & Dept. of Computer Science, University of Crete, June 2001. 
Available in Greek: pdf file (2,132 MB). 

Manos Theodorakis: 
Contextualization: An Abstraction Mechanism for Information Modeling,
Doctoral Dissertation, Department of Computer Science, University of Crete, June 2001.
Available: pdf file (1 MB). 

Yannis Tzitzikas: 
Democratic Data Fusion for Information Retrieval Mediators
Proc. of the ACS/IEEE International Conference on Computer Systems and Applications, Beirut, Lebanon, June 26-29, 2001. 
Available: pdf file (115 KB), compressed ps file (142 KB). 

Maria Theodoridou & Martin Doerr, 
Mapping of the Encoded Archival Description DTD Element Set to the CIDOC CRM
Technical Report FORTH-ICS/TR-289, June 2001. 
Available: pdf file (226 KB). 

Martin Doerr: 
Mapping of the AMICO data dictionary to the CIDOC CRM
Technical Report FORTH-ICS/TR-288, June 2001. 
Available: pdf file (142 KB). 

Maria Chadjidakis:
Design of a Computer-aided Conservation Documentation System.
Master of Science Thesis, Interdisciplinary Post-Graduate Program, Dept. of History-Archaeology & Dept. of Computer Science, University of Crete, May 2001.
Available in Greek: pdf file (6,655 MB)

Yannis Tzitzikas, Nicolas Spyratos & Panos Constantopoulos, 
Deriving Valid Expressions from Ontology Definitions
Proc. of the 11th European-Japanese Conference on Information Modelling and Knowledge Bases, Maribor, Slovenia, May 29 - June 1, 2001. 
Available: pdf file   (255 KB), compressed ps file (238 KB) 

P. Constantopoulos, V. Christophides & D. Plexousakis, 
Semantic Web Workshop: Models, Architecture and Management
Intelligence Magazine, 12(2), 2001 and SIGMOD Record, 30(3), 2001. 
Available: pdf file (89 KB), compressed ps file (155 KB). 

Sofia Alexaki, Vassilis Christophides, Greg Karvounarakis, Dimitris Plexousakis & Karsten Tolle, 
On Storing Voluminous RDF Description: The case of Web Portal Catalogs
Proc. of the 4th International Workshop on the Web and Databases (WebDB2001) in conjuction with ACM SIGMOD'01 Conference, Santa Barbara California USA, May 24-25, 2001. 
Available: pdf file (245 KB), compressed ps file (100 KB). 

Sofia Alexaki, Vassilis Christophides, Greg Karvounarakis, Dimitris Plexousakis & Karsten Tolle, 
The FORTH-ICS RDFSuite: Managing Voluminous RDF Description Bases
Proc. of the 2nd International Workshop on the Semantic Web (SemWeb'01) in conjuction with Tenth International World Wide Web Conference (WWW10), pp. 1-13, Hong-Kong, May 1st, 2001. 
Available: pdf file (547 KB), compressed ps file (234 KB). 

Irene A. Giannoulia:
Design of Cultural Web Sites: The Case of the Historical Museum of Crete.
Master of Science Thesis, Interdisciplinary Post-Graduate Program, Dept. of History-Archaeology & Dept. of Computer Science, University of Crete, April 2001.
Available in Greek: pdf file (1,678 MB)

Yannis Tzitzikas & Panos Constantopoulos, 
A Decision-theoretic Model for Information Retrieval Supporting Time Constraints
Proc. of the BCS-IRSG European Colloquium on IR Research, Darmstadt, Germany, April 4-6, 2001. 
Available: pdf file (122 KB),compressed ps file (116 KB) 

Martin Doerr: 
Semantic Problems of Thesaurus Mapping
Journal of Digital Information: Special issue on Networked Knowledge Organization Systems, Volume 1, issue 8, April 2001. 
Available: JoDI web journal

Vassilis Christophides, Richard Hull, Akhil Kumar & Jerome Simeon, 
Workflow Mediation using VorteXML
Bulletin of the Technical Committee on Data Engineering , Volume 24 (1), pp. 40-45, March 2001. 
Available: pdf file (39 KB). 

G. Karvounarakis, V. Christophides, D. Plexousakis, S. Alexaki,
Querying RDF Descriptions for Community Web Portals, 17ièmes Journees Bases de Donnees Avancees (BDA'01), pp. 133-144, Agadir, Maroc, 29 Octobre - 2 Novembre, 2001.
Available: pdf file (146 Kb)

Evdokia Katiniou:
Indexing and documentation system of art magazines.
Master of Science Thesis, Interdisciplinary Post-Graduate Program, Dept. of History-Archaeology & Dept. of Computer Science, University of Crete, March 2001.
Available in Greek: pdf file (434 KB)

Vaso Lipa:
An archival and documentation system for architectural structures: the Gavdos paradigm
Master of Science Thesis, Interdisciplinary Post-Graduate Program, Dept. of History-Archaeology & Dept. of Computer Science, University of Crete, March 2001.
Available in Greek: pdf file (1,468 MB)

Sisamakis Nikos:
Semantic design of an informational system for the assistance of conservation procedures on the wood – sculptured iconostases of the Hellas
Master of Science Thesis, Interdisciplinary Post-Graduate Program, Dept. of History-Archaeology & Dept. of Computer Science, University of Crete, March 2001.
Available in Greek: pdf file (591 KB)

Manos Theodorakis, Anastasia Analyti, Panos Constantopoulos & Nicolas Spyratos, 
A Theory of Context in Information Bases
In Information Systems 2001. 
Available: pdf file (549 KB), compressed ps file (168 KB). 

Vaso Partsanaki:
Creation of XML Schema Generator from the Conceptual Reference Model CIDOC
Master of Science Thesis, Interdisciplinary Post-Graduate Program, Dept. of History-Archaeology & Dept. of Computer Science, University of Crete, February 2001.
Available in Greek: pdf file (1,169 MB)

George Matsaridhs:
Master of Science Thesis, Interdisciplinary Post-Graduate Program, Dept. of History-Archaeology & Dept. of Computer Science, University of Crete, 2001.
Available in Greek: pdf file (2,336 MB)

Nikh Naoumidou:
An electronic documentation system for physicochemical analysis of ceramics
Master of Science Thesis, Interdisciplinary Post-Graduate Program, Dept. of History-Archaeology & Dept. of Computer Science, University of Crete, 2001.
Available in Greek: pdf file (820 KB)


2000

Vassilis Christophides, Dimitris Plexousakis, Gregory Karvounarakis & Sofia Alexaki, 
Declarative Languages for Querying Portal Catalogs
Proc. of the 1st "DELOS" Workshop on "Information Seeking, Searching and Querying in Digital Libraries", Zurich, Switzerland, December 11-12, 2000. 
Available: pdf file (171 KB). 

S. Alexaki, V. Christophides, G. Karvounarakis, D. Plexousakis, K. Tolle, B. Amann, I. Fundulaki, M. Scholl & A-M. Vercoustre, 
Managing RDF Metadata for Community Webs
Proc. of the 2nd International Workshop on The World Wide Web and Conceptual Modelling (WCM'2000) - ER Workshops, Salt Lake City, Utah US, October 2000, pp. 140-151. 
Available: pdf file (235 KB), compressed ps file (87 KB). 

Wes Cowley and Dimitrios Plexousakis, 
Temporal Integrity Constraints with Indeterminacy
Proc. of the 26th International Conference on Very Large Databases (VLDB 2000), Cairo, Egypt, September 2000. 
Available:pdf file (235 KB). 

Martin Doerr: 
Mapping of the Dublin Core Metadata Element Set to the CIDOC CRM
Technical Report FORTH-ICS/TR-274, July 2000. 
Available: compressed ps file (309 KB), rtf file (103 KB). 

Manolis Koubarakis & Dimitris Plexousakis, 
A Formal Model for Business Process Modeling and Design
Proceedings of CAISE'00, Stockholm, Sweden, pp. 142-157, June 2000.  
Available: pdf file (214 KB), compressed ps file (52 KB). 

Irene Charitaki:
Functional design of information system for Venetian Chandax in the Historical Museum of Crete.
Master of Science Thesis, Interdisciplinary Post-Graduate Program, Dept. of History-Archaeology & Dept. of Computer Science, University of Crete, June 2000.
Available in Greek: pdf file (2,909 MB)

Vassilis Christophides, Sophie Cluet & Jérôme Siméon, 
On Wrapping Query Languages and Efficient XML Integration
In Proc. of the 2000 ACM SIGMOD Conference on Management of Data, pp. 141-152, Dallas, Texas, ACM Press,May 2000. 
Available: pdf file (410 KB). 

Panos Constantopoulos, Eythmis Fritzalas, Chryssoula Bekiari , Dimitris Agelakis & Daphne Chronaki, 
MAISTOR: a Structural Documentation System for Buildings
Proc. of the CAA 2000 (28th annual conference), Ljubljana, Slovenia, April 18 - 21, 2000. 
Available: pdf file (743 KB).

Martin Doerr & Demetrios Kalomoirakis, 
A Metastructure for Archeological Terminology 
Proc. of the CAA 2000 (28th annual conference), Ljubljana, Slovenia, April 18 - 21, 2000. 
Available: pdf file (527 KB).

Karsten Tolle: 
ICS - Validating RDF Parser (VRP) - Analyzing and Parsing RDF
Technical Report FORTH-ICS/TR-270, April 2000. 
Available: pdf file (646 KB). 

Karsten Tolle & Vassilis Christophides, 
ICS-VRP: a Tool for Parsing and Validating RDF Metadata & Schemas
ERCIM News No.41, April 2000 (online edition). 
Available: html file (10 KB). 

Greg Karvounarakis, Vassilis Christophides & Dimitris Plexousakis, 
Querying Semistructured (Meta) Data and Schemas on the Web: The case of RDF & RDFS
Technical Report FORTH-ICS/TR-269, February 2000. 
Available: pdf file (397 KB), compressed ps file (155 KB). 

Wes Cowley and Dimitrios Plexousakis, 
An Interval Algebra for Indeterminate Time
Proc. of the AAAI-2000, pp.470-475, Austin, Texas, August 2000. 
Available: pdf file  (85 KB), compressed ps file  (39 KB).

Anastasia Analyti, Nicolas Spyratos & Panos Constantopoulos, 
Deriving and Retrieving Contextual Categorical Information through Instance Inheritance
Fundamenta Informaticae 44 (2000), pp. 1-31, IOS Press. 
Available: pdf file (434 KB), compressed ps file (164 KB). 

Yannis Velegrakis, Vassilis Christophides & Panos Constantopoulos, 
On Z39.50 wrapping and description logics
International Journal on Digital Libraries, Volume 3 Issue 3 (2000), pp. 208-220. 
Available: pdf file (287 KB). 


1999

Panos Constantopoulos, Chryssoula Bekiari & Eythymis Fritzalas, 
MAISTOR: Structural Documentation System
1st Panhellenic Conference on Geographic Information Systems - Potentialities & Applications, Perspectives & Challenges, Athens, Divani Caravel Hotel, December 1999. 
Available: pdf file (1.5 MB). 

Manos Theodorakis, Anastasia Analyti, Panos Constantopoulos & Nicolas Spyratos, 
Contextualization as an Abstraction Mechanism for Conceptual Modelling
Proc. of the 18th Intern. Conference on Conceptual Modelling (ER '99), Paris, November 15-18, 1999, pp. 475-489. 
Available: pdf file (105 KB),compressed ps file (55 KB). 

Dimitris Ntoas: 
Economy and consistency in Thesauri
Technical Report FORTH-ICS/TR-262, October 1999. 
Available : pdf file (1.2 MB). 

Chryssoula Bekiari & Martin Doerr, 
Documentation and Reasoning on Parts and Potential Wholes
Technical Report FORTH-ICS/TR-260, October 1999. 
Available: compressed ps file (899 KB), pdf file (636 KB). 

Manolis Koubarakis & Dimitris Plexousakis, 
Business Process Modelling and Design: A Formal Model and Methodology
British Telecom Technical Journal, Special Issue on "The Emerging Enterprise", Vol. 17, No. 4, pp. 23-25, October 1999. 
Available : pdf file (558 KB), compressed ps file (433 KB). 

Martin Doerr & Nicholas Crofts, 
Electronic Esperanto: The Role of the Object Oriented CIDOC Reference Model
Proc. of the ICHIM '99, Washington DC, September 22-26, 1999. 
Available: pdf file (287 KB), doc file(153 KB).

Martin Doerr & Nicholas Crofts, 
Introduction on the CIDOC Conceptual Reference Model,
Workshop held on ICHIM' 99, Washington, September 1999. 
Available: html file

Yiannis Velegrakis, Vassilis Christophides & Panos Constantopoulos, 
Declarative Specification of Z39.50 Wrappers using Description Logics
Proc. of the ECDL' 99, pp. 381-402, Paris, France, September 1999. 
Available: compressed ps file (93 KB), html file (80 KB), pdf file (380 KB). 

Vassilis Christophides, Katerina Houstis, Spyros Lalis & Harikleia Tsalapata, 
Ontology-driven Integration of Scientific Repositories
Proc. of the 4th Workshop on Next Generation Information Technologies and Systems (NGITS ' 99), R. Y. Pinter and S. Tsur Editors, pp. 190-202, Zikhron-Yaakov, Israel, July 1999. 
Available: pdf file (182 KB), word file (114 KB). 

Vassilis Christophides, S. Cluet & J. Simeon, 
Optimization Techniques for Semistructured Integration Systems
Proc. of the Workshop on Foundations for Information Integration, S. Abiteboul & D. Florescu & A. Levy & G. Moerkotte editors, Dagstuhl Germany, June 1999. 
Available: pdf file (124 KB).

Katerina Houstis, Christos Nikolaou, Spyros Lalis, Sarantos Kapidakis, Vassilis Christophides, Eric Simon & Anthony Thomasic, 
Towards a next generation of open scientific data repositories and services
In Special issue on Digital Libraries, CWI Quarterly (Centrum voor Wiskunde en Informatica), Amsterdam Netherlands, Vol. 12, No. 2, June 1999, pp. 111-132. 
Available: pdf file(224 KB), rtf file (312 KB). 

Manos Theodorakis, Anastasia Analyti, Panos Constantopoulos & Nicolas Spyratos, 
Querying Contextualized Information Bases
Proc. of the 24th Intern. Conference on Information and Communication Technologies and Programming (ICT&P ' 99), Plovdiv, Bulgaria, June 8-12, 1999. 
Available: pdf file (175 KB), compressed ps file (77 KB). 

Chryssoula Bekiari & Martin Doerr, 
Documentation and Reasoning on Parts and Potential Wholes
Computer Applications in Archaeology - Conference 1999 (CAA ' 99), Dublin Ireland, April 14-18, 1999. 
Available: compressed ps file (898 KB), pdf file (636 KB). 

Manos Theodorakis, Anastasia Analyti, Panos Constantopoulos & Nicolas Spyratos, 
Contextualization as an Abstraction Mechanism for Conceptual Modelling
Technical Report FORTH-ICS/TR-255, April 1999. 
Available: compressed ps file (73 KB), pdf file (137 KB). 

Thanasis Chryssos: 
A Semantic Browsing System for Knowledge Bases
Technical Report FORTH-ICS/TR-254, March 1999. 
Available in Greek: pdf file (401 KB), compressed ps file (517 KB). 

Sarantis Toulis: 
Design and Implementation of a Document Annotation System
Technical Report FORTH-ICS/TR-253, March 1999. 
Available in Greek: pdf file (862 KB), compressed ps file (566 KB). 

Katerina Toliou: 
World Wide Web Gateway to the Semantic Index System
Technical Report FORTH-ICS/TR-251, March 1999. 
Available in Greek: pdf file  (915 KB), compressed ps file  (725 KB). 

Irini Foundoulaki: 
A Diagnostic Support System for Engineering Applications. Technical Report FORTH-ICS/TR-250, March 1999. 
Available in Greek: pdf file  (1.2 MB),compressed ps file  (783 KB). 

Manolis Koubarakis & Dimitris Plexousakis, 
Business Process Modeling and Design: AI Models and Methodology
IJCAI-99 Workshop on Intelligent Workflow and Process Management: The New Frontier for AI in Business, pp. 98-109, Stockholm, Sweden, 1999. 
Available: pdf file (241 KB). 

B.Birmingham, K. Bohm, V. Christophides, S. Cluet, A. Grespo, D. Kiskis, B. Leiner, C.Meghini, F. Rabitti, U. Roehm, H.J. Schek, H. Schuldt & P. Weinstein, 
Interoperability between Digital Libraries
EU-NSF Digital Library Working Group on Interoperability between Digital Libraries, January 1999. 
Available: htm file (65 KB). 

Anastasia Analyti, Nicolas Spyratos, Panos Constantopoulos & Martin Doerr, 
Inheritance under Participation Constraints and Disjointness
Information Modeling and Knowledge Bases X,: H. Jaakkola, H. Kangassalo, E. Kawaguchi (eds.), 1999. 
Available: pdf file (265 KB), compressed ps file (79 KB). 

1998

Martin Doerr & Anthi Yiortsou, 
Implementing a Temporal Datatype
Technical Report FORTH-ICS/TR-236, 16 pages, November 1998. 
Available:  compressed ps file (49 KB). 

Martin Doerr & Nick Crofts, 
Electronic Communication on Diverse Data - The Role of an Object-Oriented CIDOC Reference Model
CIDOC'98 Conference, Melbourne, October 10-14, 1998. 
Available: compressed ps file (137 KB) 

Bernd Amann, Vassilis Christophides, Irini Fundulaki, Michel Scholl & Anne-Marie Vercoustre, 
Intelligent Mediation of Cultural Information Sources
ERCIM News No.35, October 1998 (online edition). 
Available: html file (11 KB). 

Anthi Yiortsou: 
Introducing Temporal Dimension in the Semantic Index System
Technical Report FORTH-ICS/TR-231, October 1998. 
Available in Greek: compressed ps file (419.6 KB). 

Martin Doerr & Irini Fundulaki, 
SIS - TMS: A Thesaurus Management System for Distributed Digital Collections
Proc. of the 2nd European Conference, ECDL'98, Heraklion, Crete, Greece, September 1998, pp. 215-234. 
Available: compressed ps file (259 KB) 

Manos Theodorakis, Anastasia Analyti, Panos Constantopoulos & Nikolas Spyratos, 
Context in Information Bases
Proc. of the 3rd IFCIS International Conference on Cooperative Information Systems (CoopIS ' 98), New York, USA, August 20-22, 1998, pp. 260-270. 
Available: abstract - html file (3 KB), pdf file (171 KB), compressed ps file (82 KB). 

A. Michard, Vassilis Christophides, M. Scholl, M. Stapleton, D. Sutcliffe & A-M. Vercoustre, 
The Aquarelle Ressource Discovery System
Computer Networks & ISDN Systems, Vol. 30, No. 13, Elsevier Science, August 1998. 
Available: abstract - html file (3 KB), paper - html file (70 KB), paper - compressed ps file (273 KB). 

Maria Theodoridou & Martin Doerr, 
Classifying Historical Documents
Proc. of the Intern. Conference on Applications of Information Technologies to Biblical Studies, OSI-HESP SUMMER SCHOOL, Sofia, Bulgaria, July 27 - August 7, 1998. 
Available: html file (11 KB), compressed ps file (72 KB). 

Yiannis Velegrakis: 
Declarative Specification of Z39.50 wrappers using Description Logic
Technical Report FORTH-ICS/TR-225, July 1998. 
Available in Greek: compressed ps file (493 KB). 

Anastastios Kementsietsidis: 
DTD Specific Parser Generator, DSPG
Technical Report FORTH-ICS/TR-224, July 1998. 
Available in Greek: compressed ps file (298 KB). 

Athina Trapsioti: 
SGML Document Management in Knowledge Bases
Technical Report FORTH-ICS/TR-223, July 1998. 
Available in Greek: compressed ps file (461 KB). 

Martin Doerr: 
Effective Terminology Support for Distributed Digital Collections
in: SIXTH DELOS WORKSHOP, Preservation of Digital Information, Tomar, Portugal, June 17-19, 1998. 
ISBN 2-912335-06. 
Available: compressed ps file (79.9 KB) 

C. Housti, Ch. Nikolaou, S. Lalis, S. Kapidakis & V. Christophides, 
Open Scientific Data Repositories Architecture
in: NSF Invitational Workshop on Distributed Information, Computation and Process Management for Scientific and Engineering Enviroments (DICPM), Hyatt Dulles, Herndon, Virginia, May 15-16, 1998. 
Available: html file(9 KB).  

Anastasia Analyti, Nicolas Spyratos & Panos Constantopoulos, 
Deriving and Retrieving Contextual Categorical Information through Instance Inheritance
Technical Report FORTH-ICS/TR-220, May 1998. 
Available: compressed ps file (129 KB) 

Katerina Houstis, Christos Nikolaou, Spyros Lalis, Sarantos Kapidakis & Vassilis Christophides, 
Towards a next generation of open scientific data repositories and services
Technical Report FORTH-ICS/TR-219, May 1998. 
Available: compressed ps file(124 KB) 

Martin Doerr & Irini Fundulaki, 
The Aquarelle Terminology Service
ERCIM NEWS, No.33: "Special:Information Technology for Education and Training", April 1998. 
Available: compressed ps file (23.6 KB) 

Vassilis Christophides, Martin Doerr & Irini Fundulaki, 
The Aquarelle Folder Server
ERCIM NEWS, No.33: "Special: Information Technology for Education and Training", April 1998. 
Available: compressed ps file (27.9 KB) 

Vassilis Christophides, Michel Scholl & Anne-Marie Vercoustre, 
Querying Heterogeneous Semi-Structured Data
ERCIM NEWS No.33, April 1998 (online edition). 
Available: html file (12 KB) 

Manos Theodorakis, Anastasia Analyti, Panos Constantopoulos & Nikolas Spyratos, 
A Theory of Contexts in Information Bases
Technical Report FORTH-ICS/TR-216, March 1998. 
Available: pdf file (500 KB), compressed ps file (294 KB). 

Chryssoula Bekiari, Christina Gritzapi & Dimitrios Kalomoirakis, 
POLEMON: A Federated Database Management System for the Documentation, Management and Promotion of Cultural Heritage
Proc. of the 26th Conference on Computer Applications in Archaeology, Barchelona, March 24-28, 1998. 
Available: compressed ps file (367 KB) 

Martin Doerr: 
Multilingual Terminology Management for Distributed Digital Collections
Workshop on "Electronic Lexicography", Athens, Greece, March 14, 1998. 

Martin Doerr & Irini Fundulaki, 
A proposal on extended interthesaurus links semantics,
Technical Report FORTH-ICS/TR-215, 9 pages, March 1998. 
Available:  compressed ps file (43 KB). 

Anastasia Analyti, Nicolas Spyratos & Panos Constantopoulos, 
On the Semantics of a Semantic Network
Fundamenta Informaticae 36 (1998), pp. 109-144, IOS Press. 
Available: pdf file (382 KB), compressed ps file (115 KB). 

Anastasia Analyti, Nicolas Spyratos & Panos Constantopoulos, 
Deriving Semantic Information through Property Covering and Inheritance
Data and Knowledge Engineering, 28, No. 1, 30, pp. 3-30, 1998. 
Available: pdf file (345 KB), compressed ps file (105 KB). 

Anastasia Analyti, Panos Constantopoulos & Nicolas Spyratos, 
Specialization by Restriction and Schema Derivations
Information Systems, Vol. 23, No. 1, pp. 1-38, 1998. 
Available: pdf file (455 KB), compressed ps file (170 KB) 

Anastasia Analyti, Panos Constantopoulos & Nicolas Spyratos, 
Deriving and retrieving Contextual Categorical Information through Instance Inheritance
Fundamenta Informaticae, Vol. 33, pp. 1-37, 1998. 
Available: pdf file (405 KB), compressed ps file (143 KB)  

Anastasia Analyti, Nicolas Spyratos, Panos Constantopoulos & Martin Doerr, 
Inheritance under Participation Constraints and Disjointness
Proc. of the 8th European-Japanese Conference on Information Modelling and Knowledge Bases, pp. 269-287, 1998. 
Available: pdf file (265 KB), compressed ps file (80 KB). 

Vassilis Christophides, Sophie Cluet, Guido Moerkotte & Jérôme Siméon, 
Optimizing Generalized Path Expressions Using Full Text Indexes
Networking and Information Systems Journal, Volume 1, No 2-3, pp. 177-194, 1998. 
Available: pdf file (324 KB). 


1997

K. Chandrinos, J. Immerkaer, M. Doerr & P. Trahanias, 
A Visual Tagging Technique for Annotating Large-Volume Multimedia Databases - A tool for adding semantic value to improve information rating
5th DELOS Workshop "Filtering and Collaborative Filtering", European Research Consortium for Informatics and Mathematics (ERCIM), Budapest, November 10-12, 1997. 
Available: pdf file (94 KB), rtf file (421 KB) 

Anastasia Analyti, Nicolas Spyratos & Panos Constantopoulos, 
Property Covering: A Powerfull Construct for Schema Derivations
Proc. of the 16th. International Conference on Conceptual Modeling (ER' 97), pp. 271-284, November 1997. 
Available: pdf file (201 KB), compressed ps file (55 KB) 

Vassilis Christophides, Martin Doerr & Irini Fundulaki, 
A Semantic Network Approach to Semi-Structured Documents Repositories
Proc. of the ERCIM Digital Libraries ' 97 Conference (ERDL'97), pp. 305-324, Pisa, Italy, November 1997. 
Available: pdf file (255 KB), compressed ps file (100 KB). 

Martin Doerr: 
Reference Information Acquisition and Coordination
in: ASIS'97-Digital Collections: Implications for Users, Funders, Developers and Maintainers, Proc. of the 60th Annual Meeting of the American Society for Information Sciences, Washington, DC, USA, pp. 295-312, November 1997. 
Available: compressed ps file  (201.43 KB) 

Marios Sintichakis & Panos Constantopoulos, 
A Method for Monolingual Thesauri Merging
Proc. of the 20th International ACM SIGIR Conference on Research and Development in Information Retrieval, Philadelphia, PA, USA, July 1997. 
Available: pdf file (246 KB), compressed ps file (65 KB). 

Manos Theodorakis & Panos Constantopoulos, 
On Context-based Naming in Information Bases
Proc. of the 2nd IFCIS International Conference on Cooperative Information Systems (CoopIS ' 97), Charleston, South Carolina, USA, June 24-27, 1997, pp. 140-149. 
Available: abstract - html file (3 KB), html file (67 KB), compressed ps file (60.3 KB). 

Anastasia Analyti, Nicolas Spyratos & Panos Constantopoulos, 
Property Covering: A Powerful Construct for Schema Derivations
Technical Report FORTH-ICS/TR-199, 28 pages, June 1997. 
Available: compressed ps file (91 KB). 

Anastasia Analyti, Nicolas Spyratos, Panos Constantopoulos & Martin Doerr, 
Inheritance under Participation Constraints and Disjointness
Technical Report FORTH-ICS/TR-198, 28 pages, June 1997. 
Available: compressed ps file (81 KB). 

Yiannis Velegrakis: 
VRW : A system to create, modify and produce reports. (Report Writter)
Technical Report FORTH-ICS/TR-197, May 1997. 
Available in Greek: compressed ps file (916 KB). 

Anthi Yiortsou: 
Time-primitive concept in programming language Telos
Technical Report FORTH-ICS/TR-196, May 1997. 
Available in Greek: compressed ps file (175 KB). 

Anita Kvamme: 
Task Analysis in the Context of Human-Computer Interaction
Technical Report FORTH-ICS/TR-195, May 1997. 
Available: compressed ps file (437 KB). 

Marios Sintichakis: 
Monolingual thesauri merging
Technical Report FORTH-ICS/TR-194, May 1997. 
Available in Greek: compressed ps file (266 KB). 

Georgia Margariti: 
Performance metrics for the cache management mechanism of the Semantic Index System
Technical Report FORTH-ICS/TR-191, April 1997. 
Available in Greek: compressed ps file (328 KB). 

S. Abiteboul, S. Cluet, V. Christophide, M. Tova, G. Moerkotte & J. Simon, 
Querying Documents in Object Databases
International Journal on Digital Libraries, Volume 1, No. 1, pp. 5-19, April 1997. 
Available: pdf file (271 KB). 

Anastasia Analyti, Nicolas Spyratos & Panos Constantopoulos, 
On the Definition of Semantic Network Semantics
Technical Report FORTH-ICS/TR-187, 45 pages, February 1997. 
Available: pdf file (383 KB), compressed ps file (117 KB). 

Dimitrios Papadakis: 
Parallel Tabu Search Algorithms for the Flow-Shop Problem
Technical Report FORTH-ICS/TR-185, January 1997. 
Available in Greek: compressed ps file (362 KB). 

Miranta Kiprioti: 
Analogical Guidance of Software Analysis and Specifications Process
Technical Report FORTH-ICS/TR-184, January 1997. 
Available in Greek: compressed ps file (336.5 KB). 

Manos Theodorakis & Panos Constantopoulos, 
Context-Based Naming in Information Bases
International Journal of Cooperative Information Systems, Vol. 6, Nos. 3 & 4 (1997), pp. 269-292. 
Available: abstract - html file (3 KB), html file (75 KB), pdf file (284 KB), compressed ps file (87 KB). 


1996

Christodoulos Hamilakis: 
Construction of a Federated Schema for a FDBS from Local Relational Schemeta
Technical Report FORTH-ICS/TR-183, December 1996. 
Available in Greek: compressed ps file (361 KB). 

John Mylopoulos, Vinay K. Chaudhri, Dimitris Plexousakis, Adel Shrufi & Thodoros Topaloglou, 
Building Knowledge Base Management Systems
The VLDB Journal, Volume 5, Number 4, December 1996, pp. 238-263. 

Anastasia Analyti, Panos Constantopoulos & Nicolas Spyratos, 
Specialization by Restriction and Schema Derivations
Technical Report FORTH-ICS/TR-176, 56 pages, October 1996. 
Available: compressed ps file (133.2 KB). 

Panos Constantopoulos & Maria Christoforaki, 
Dictionary of terms of CLIO cultural documentation system
Technical Report FORTH-ICS/TR-175, 17 pages, October 1996. 
Available in Greek: compressed ps file (242 KB). 

George Spanoudakis & Panos Constantopoulos, 
An Evidential Model for Estimating the Salience of Attributes in Classification Schemes
Computer Science Technical Report No. 1996/05, City University London, July 1996. 
Available: pdf file (191 KB), compressed ps file (984 KB). 

Vassilis Christophides, Sophie Cluet & Guido Moerkotte, 
Evaluating queries with generalized path expressions
Proc. of the 1996 ACM SIGMOD International Conference on Management of Data, Montreal, Quebec, Canada, pp. 413-422, June 4-6, 1996. 
Available: pdf file (224 KB). 

Panos Constantopoulos & Yannis Tzitzikas, 
Context-Driven Information Base Update
Proc. of the 8th International Conference, CAiSE'96, pp. 319-344, Heraklion, Crete, Greece, May 20-24, 1996. 
Available: pdf file (233 KB), compressed ps file (243 KB). 

Manos Theodorakis: 
Context-based Naming in Semantic Networks
Proc. of the 3rd Doctoral Consortium on Advanced Information Systems Engineering (CAiSE'96), May 20-21, 1996, pp. 53-56. 
Available: pdf file (113 KB), compressed ps file (32 KB). 

Yannis Tzitzikas: 
Exploiting Semantic Networks to Generate Hypermedia
3rd Doctoral Consortium on Advanced Information Systems Engineering (CAiSE'96), Heraklion, Crete, Greece, May 20-21, 1996. 
Available: pdf file (105 KB), compressed ps file (25 KB). 

Dimitrios Daskalakis: 
Interactive update of object-oriented databases
Technical Report FORTH-ICS/TR-169, May 1996. 
Available in Greek: compressed ps file (436 KB). 

Christina Gritzapi: 
Data transfer from a relational to an object-oriented database
Technical Report FORTH-ICS/TR-168, May 1996. 
Available in Greek: compressed ps file (290 KB). 

Dimitris Plexousakis & John Mylopoulos, 
Accomodating Integrity Constraints During Database Design
Proc. of the International Conference on Extending Database Technologies (EDBT), Avignon, France, March 25 - 29, 1996. 
Available: pdf file (252 KB).  

Panos Constantopoulos, Manos Theodorakis & Yannis Tzitzikas, 
Developing Hypermedia Over an Information Repository
Proc. of the 2nd WorkShop on Open Hypermedia Systems (OHS) on  Hypertext' 96 (HT ' 96), Washington, DC, USA, March 16-17, 1996. 
Available: pdf file (63 KB), compressed ps file (144 KB). 

Martin Doerr: 
Authority Services in Global Information Spaces: A requirements analysis and feasibility study
Technical Report FORTH-ICS/TR-163, 19 pages, February 1996. 
Available:compressed ps file (47 KB). 

Friso Schutte: 
Correlating Documents with Common Knowledge by Using Attribute Links
Technical Report FORTH-ICS/TR-186, February 1996. 
Available: compressed ps file (403 KB). 

Dimitris Plexousakis: 
On the efficient maintenance of temporal integrity in knowledge bases
PhD thesis, Dept. of Computer Science, University of Toronto, 1996. 
Available: pdf file (1306 KB). 

George Spanoudakis & Panos Constantopoulos, 
Analogical Reuse of Requirements Specifications: A Computational Model
Applied Artificial Intelligence: An International Journal, Vol. 10, No. 4, pp. 281-306, 1996. 
Available: pdf file (310 KB), compressed ps file (101 KB). 

George Spanoudakis & Panos Constantopoulos, 
Elaborating Analogies from Conceptual Models
International Journal of Intelligent Systems, (eds) Yager R., J.Wiley and Sons, Vol. 11, No 11, pp. 917-974, 1996. 
Available: pdf file (222 KB), compressed ps file (168 KB). 


1995

George Spanoudakis & Panos Constantopoulos, 
Integrating Specifications: A Similarity Reasoning Approach
Automated Software Engineering Journal, Vol. 2, No. 4, pp. 311-342, December 1995. 
Available: pdf file (339 KB), compressed ps file (158 KB). 

Chryssoula Bekiari, Theodosia Bitzou, Dimitris Calomirakis, Alexandra Caretsou, Dafni Chronaki, Panos Constantopoulos, Christina Gritzapi & Maria Lagogianni, 
DELTOS : conservation documentation and administration of site monuments and preserved buildings
Proc. of the III Convegno Internazionale di Archeologia e Informatica, Roma, November 22-25, 1995. 
Available: compressed ps file (1 MB) 

Maria Christoforaki, Panos Constantopoulos & Martin Doerr, 
Modelling occurences in cultural documentation
Proc. of the III Convegno Internazionale di Archeologia e Informatica, Roma, November 22-25, 1995. 
Available: abstract - compressed ps file (8.18 KB), paper - compressed ps file (61.6 KB). 

Panos Constantopoulos & Martin Doerr, 
An Approach to Indexing Annotated Images
Proc. of the International Conference on Hypermedia and Interactivity in Museums - ICHIM '95, San Diego, CA., USA, October 1995. 
Available: pdf file (361 KB), compressed ps file (1.45 MB) 

Yannis Tzitzikas: 
View Updates in Knowledge Bases
Technical Report FORTH-ICS/TR-142, October 1995. 
Available: compressed ps file (627 KB). 

Manos Theodorakis: 
Name Scope In Semantic Data Models
Technical Report FORTH-ICS/TR-141, October 1995. 
Available in Greek: abstract - html file (4 KB), compressed ps file (446 KB). 

George Ksouris: 
A System for Configuration Management
Technical Report FORTH-ICS/TR-139, October 1995. 
Available in Greek: compressed ps file (466 KB). 

Dimitris Plexousakis: 
Compilation and Simplification of Temporal Integrity Constraints
International Workshop on Rules in Database Systems (RIDS), Athens, Greece, September 25 - 27, 1995. 
Available: pdf file (239 KB). 

Pantos Pantos & Chryssoula Bekiari, 
POLEMON: A Project to Computerize the Monument Records at the Greek Ministry of Culture
Proc. of the Conference on Archaelogical Heritage: Inventory and Documentations Standards in Europe, Oxford, September 1995. 
Available: pdf file(22 KB), compressed ps file (19 KB) 

N.A.M. Maiden, P. Assenova, P. Constantopoulos & M. Jarke, 
Computational Mechanisms for Distributed Requirements Engineering
Proc. of the 7th International Conference Software Engineering and Knowledge Engineering - SEKE '95, Maryland, USA, June 1995. 
Available: compressed ps file (44.7 KB) 

J. Mylopoulos, V. Chaudhri, D. Plexousakis, A. Shrufi & T. Topaloglou, 
Building knowledge base management systems
The VLDB Journal, May 1995. 
Available: pdf file (503 KB).  

P. Constantopoulos, M. Jarke, J. Mylopoulos & Y. Vassiliou, 
The Software Information Base: A Server for Reuse
in: VLDB Journal, Vol. 4, No. 1, pp. 1-43, January 1995. 
Available: pdf file (453 KB), compressed ps file (218 KB). 

Panos Constantopoulos & Martin Doerr, 
Component Classification in the Software Information Base
in: O. Nierstrasz and D. Tsichritzis, eds., Object-Oriented Software Composition, Prentice-Hall, 1995. 
Available: compressed ps file (75.9 KB) 

Dimitris Plexousakis: 
Simulation and Analysis of Business Processes Using GOLOG
In Proc. of the Conference on Organizational Computing Systems (COOCS'95), pp. 311-323, 1995. 
Availa ble: pdf file (231 KB).  


1994

George Spanoudakis: 
Analogical Similarity of Objects: A Conceptual Modeling Approach,
Doctoral Dissertation, Department of Computer Science, University of Crete, December 1994.
Available: html file (5 KB). 

George Spanoudakis, Panos Constantopoulos & Miranta Kiprioti, 
Similarity Analysis for Process Modelling of Requirements Engineering
Dagstuhl Seminar on System Requirements: Analysis, Management and Exploitation, Dagstuhl, Germany, October 1994. 
Available: compressed ps file (148.2 KB) 

George Spanoudakis & Panos Constantopoulos, 
Integrating Specifications
Dagstuhl Seminar on System Requirements: Analysis, Management and Exploitation, Dagstuhl, Germany, October 1994. 
Available: compressed ps file (56.8 KB) 

Vassilis Christophides & A. Rizk, 
Querying structured documents with hypertext links using OODBMS
Proc. of the ECHT ' 94 European Conference on Hypermedia Technologies, pp. 186-197, Edinburgh, U.K., September 1994. 
Available: pdf file (257 KB). 

George Spanoudakis & Panos Constantopoulos, 
On Evidential Feature Salience
Proc. of the 5th International Conference on Database and Expert Systems Applications - DEXA '94, Athens, Greece, September 1994. 
Available: pdf file (43 KB), compressed ps file (36 KB) 

Panos Constantopoulos, Thalis Georgiou & Nikos Tsatsakis, 
One-machine scheduling with setup times: fast solutions and applications
Proc. of the IFIP Conference on Advanced Production Management Systems, Athens, Greece, September 1994. 
Available: compressed ps file (21.79 KB) 

Panos Constantopoulos & George Spanoudakis, 
Similarity for Analogical Software Reuse: A Computational Model
Proc. of the 11th European Conference on Artificial Intelligence - ECAI '94, pp. 18-22, Amsterdam, The Netherlands, August 1994. 
Available: pdf file (44 KB), compressed ps file (36 KB). 

Ifigenia Dionysiadou & Martin Doerr, 
Mapping of material culture to a semantic network
Proc. of the 1994 JOINT ANNUAL MEETING, International Council of Museums Documentation Committee and Computer Network, Wasington USA, August 1994. 
Available: compressed ps file (23.5 KB) 

George Spanoudakis & Panos Constantopoulos, 
Measuring Similarity Between Software Artifacts
Proc. of the 6th International Conference on Software Engineering and Knowledge Engineering - SEKE '94, Jurmala, Latvia, June 1994. 
Available: pdf file (113 KB), compressed ps file (70 KB). 

Vassilis Christophides, Serge Abiteboul, Sophie Cluet & Michel Scholl, 
From Structured Documents to Novel Query Facilities
Proc. of the 1994 ACM SIGMOD International Conference on Management of Data, Minneapolis, Minnesota, May 24-27, 1994, pp. 313-324. 

K. Pohl, P. Assenova, R. Doemges, P. Johannesson, N.M.A. Maiden, V. Philon, J. -R. Schmitt & George Spanoudakis, 
Applying AI Techniques to Requirements Engineering: The NATURE Prototype
ICSE-Workshop on Research Issues in the Intersection Between Software Engineering and Artificial Intelligence, Sorrento, Italy, May 1994. 
Available: compressed ps file (71.9 KB) 

Maria Karavassili: 
An Algorithm to Layout Directed Graphs
Technical Report FORTH-ICS/TR-122, February 1994. 
Available in Greek: compressed ps file (828 KB). 

Maria Christoforaki: 
Cultural documentation with system CLIO
Technical Report FORTH-ICS/TR-120, February 1994. 
Available in Greek: compressed ps file (470 KB). 

George Georgiannakis: 
A Storage and Memory Management Mechanism for Objects in TELOS
Technical Report FORTH-ICS/TR-119, February 1994. 
Available in Greek: compressed ps file (364 KB). 

Yiannis Kopidakis: 
Interpolation Algorithms for the Flowshop Scheduling Problem
Technical Report FORTH-ICS/TR-116, February 1994. 
Available in Greek: compressed ps file (308 KB). 

Panos Constantopoulos: 
Cultural Documentation: The CLIO System
Technical Report FORTH-ICS/TR-115, 12 pages, January 1994. 
Available in English: compressed ps file (379 KB). 
Available in Greek: compressed ps file (373.95 KB). 

J. Mylopoulos, V. Chaudhri, D. Plexousakis, A. Shrufi & T. Topaloglou, 
Building knowledge base management systems: A progress report
Technical Report DKBS-TR-94-4, Dept. of Computer Science, University of Toronto, 1994. 
Available: pdf file (466 KB). 


1993

J. Mylopoulos, V. Chaudhri, D. Plexousakis & T. Topaloglou, 
Adapting database implementation techniques to managing very large knowledge bases
In Proc. of the International Conference on Building and Sharing of Very Large-Scale Knowledge Bases '93, pages 215-224, Tokyo, Japan, December 1993. 
Available: pdf file (129 KB). 

Manos Theodorakis & Yannis Tzitzikas, 
DOMENICUS: Art and Digital Technology
Educational Journal, Pataki edition, December 1993 (in Greek). 

Dimitrios Calomirakis, Panos Constantopoulos, Maria Lagogianni, Chryssoula Bekiari, Theodosia Bitzou & Daphni Chronaki, 
DELTOS : Registration / Documentation of site monuments groups of monuments and preserved buildings
Conference on "Monuments Plotting: Methods and Requirements", National University of Athens, organized by Technical Chamber of Greece, Athens, November 30, 1993. 
Available in Greek: compressed ps file (717 KB). 

Bernd Amann, Vassilis Christophides & Michel Scholl, 
HyperPATH/O2: Integrating Hypermedia Systems with Object-Oriented Database Systems
Proc. of the 4th International Conference on Database and Expert Systems Applications (DEXA'93), Prague, Czech Republic, September 6-8, 1993, pp. 709-720. 

M. Jarke, K. Pohl, S. Jacobs, H. Nissen, J. Bubenko, P. Assenova, P. Holm, B. Wangler, C. Rolland, V. Plihon, J.-R. Schmitt, A. Sutcliffe, S. Jones, N. Maiden, D. Till, Y. Vassiliou, P. Constantopoulos & G. Spanoudakis, 
Requirements Engineering: An Integrated View of Representation, Process & Domain
Proc. of the 4th European Conference on Software Engineering, Garmisch-Partenkirchen, Germany, September 1993. 
Available: compressed ps file (74.9 KB) 

Panos Constantopoulos, Martin Doerr & Yiannis Vassiliou, 
Repositories for Software Reuse: The Software Information Base
Proc. of the IFIP WG 8.1 Conference on Information System Development Process, Como, Italy, September 1993. 
Available: pdf file (341 KB), compressed ps file (153 KB). 

Dimitris Plexousakis: 
Integrity Constraint and Rule Maintenance in Temporal Deductive Knowledge Bases
Proc. of the 19th International Conference on Very Large Data Bases (VLDB), pages 146-157, August 1993. 
Available: pdf file (284 KB). 

Costas Dadouris: 
Programmatic Query Interface and Query Processing for the TELOS Language
Institute of Computer Science, Foundation for Research & Technology, July 1993. 

George Spanoudakis & Panos Constantopoulos, 
Similarity for Analogical Software Reuse: A Conceptual Modelling Approach
Proc. of the 5th International Conference on Advanced Information Systems Engineering - CAiSE '93, Paris, France, June 1993. 
Available: pdf file (60 KB), compressed ps file (45 KB). 

Nikos Tsatsakis: 
The Problem of Total Completion Time of n jobs on One Machine with Set-up Times
Technical Report FORTH-ICS/TR-88, May 1993. 
Available in Greek: compressed ps file (308 KB). 

Cosmas Charitonidis: 
Bicriterion Scheduling on One Machine with Setup Times
Technical Report FORTH-ICS/TR-78, March 1993. 
Available in Greek: compressed ps file (556 KB). 

Calliope Chalkia: 
Syntactical Software Substitution
Technical Report FORTH-ICS/TR-77, March 1993. 
Available in Greek: compressed ps file (226.5 KB) 

Elena Pataki: 
Design and Implementation of a Selection Tool for Software Reuse
Institute of Computer Science, Foundation for Research and Technology, February 1993. 

C. Vezeridis: 
Design of a Software Information Base for Reuse by a Community of Users
Institute of Computer Science, Foundation for Research and Technology, February 1993. 


1992

Chryssoula Bekiari, Panos Constantopoulos & Theodosia Bitzou, 
DELTOS : A Documentation System for the Antiquities and Preserved Buildings of Crete, Requirements Analysis
Technical Report FORTH-ICS/TR-60, October 1992. 
Available in Greek: compressed ps file (177 KB). 

Christos Georgis: 
Design and Implementation of the Graphics Portion of the Labyrinth System
Technical Report FORTH-ICS/TR-51, June 1992. 
Available in Greek: compressed ps file (395 KB). 

Panos Constantopoulos & Elena Pataki, 
A Browser for Software Reuse
Proc. of the 4th International Conference on Advanced Information Systems Engineering - CAiSE '92, Manchester, U.K., May 1992. 
Available: pdf file (331 KB), compressed ps file (147 KB). 

Thalis Georgiou: 
The Problem of Maximum Tardiness on One Machine with Setup Times
Technical Report FORTH-ICS/TR-46, February 1992. 
Available in Greek: compressed ps file (353 KB). 

Maria Moutsaki & Panos Constantopoulos, 
HEPHESTUS : Production Planning and Control System for Raw Material Industries, User Manual
Technical Report FORTH-ICS/TR-45, January 1992. 
Available in Greek: compressed ps file (246 KB). 


1991

Maria Moutsaki & Chryssoula Bekiari, 
Detailed Production Planning and Control for Process Industries
3rd Panhellenic Conference on Computer Science, Athens, Greece, May 1991. 
Available in Greek: compressed ps file (55.2 KB) 

Panos Constantopoulos, J.Drakopoulos & Y.Yeorgaroudakis, 
Retrieval of Multimedia Documents by Pictorial Content: A Prototype System
Proc. of the International Conference on Multimedia Information Systems, ACM SIGIR, Singapore, January 1991. 

Panos Constantopoulos, F.C. Schweppe & R.C. Larson, 
ESTIA: A Real-Time Consumer Control Scheme for Space Conditioning Usage under Spot Electricity Pricing
Computers and Operations Research, Vol. 18, No. 8, 1991, pp. 751-765. 


1990

P. Katalagarianos: 
The Implementation of a Mapping Assistant from Requirements to Design
Institute of Computer Science, Foundation for Research and Technology, June 1990. 

V. Lalioti: 
A Tool for Creating Program Animations
Institute of Computer Science, Foundation for Research and Technology, May 1990. 


1989-1986

Panos Constantopoulos, E.Lutz, P.Savino & Y.Yeorgaroudakis, 
Multimedia Document Storage, Classification and Retrieval: Integrating the MULTOS System
Proc. of the ESPRIT Conference '89, Brussels, November 1989. 

Panos Constantopoulos, V.I.Leopoulos & I.P.Tatsiopoulos, 
Production planning and control as the key to integration in small industrial firms: An implementation approach and a case study
Proc. of the 5th CIM Europe Conference, Athens, Greece, May 1989. 

Th. Topaloglou: 
Implementation of the Knowledge Representation Language TELOS
Institute of Computer Science, Foundation for Research & Technology, April 1989. 

M. Mertikas: 
From Requirements to Design of Information Systems
Institute of Computer Science, Foundation for Research & Technology, April 1989. 

Panos Constantopoulos: 
Decision Support for Massive Personnel Assignment
Decision Support Systems, Vol. 5, 1989, pp. 355-363. 

Panos Constantopoulos, Y. Yeorgaroudakis, A. Matteucci & G. Pancaccini, 
Client Design for the MULTOS Multimedia Filing System
Proc. of the ESPRIT Conference '88, Brussels 1988. 

Panos Constantopoulos, Maria Theodoridou & Y. Yeorgaroudakis, 
Flexible Query Formulation for Multimedia Document Retrieval
Proc. of the Conference on Information Technology for Organisational Systems, Athens, Greece, 1988. 

Panos Constantopoulos, G.Drettakis, E.Petra, Maria Theodoridou & Y.Yeorgaroudakis, 
Iterative Design of User Interfaces for an Office System Using a UIMS
Proc. of the Conference on Information Technology for Organisational Systems, Athens, Greece, 1988. 

Panos Constantopoulos, G.Drettakis, E.Petra, Maria Theodoridou & Y. Yeorgaroudakis, 
Multimedia Office System Interface Design Using a UIMS
Proc. of the IFIP WG 8.4 Working Conference "Office Information Systems: The Design Process", Linz, Austria, 1988. 

Panos Constantopoulos, et al., 
MUSE : A Multimedia System
IEEE Office Knowledge Engineering, Vol.1, No.1, February 1987. 

Panos Constantopoulos, et al., 
Office Document Retrieval in MULTOS
Proc. of the ESPRIT Conference '86, Brussels, Belgium, November 1986.