Publications with significant contribution by Ontotext fellows follow in chronological order:

[Kiryakov2007] Atanas Kiryakov
Measurable Targets for Scalable Reasoning
Ontotext Technology White Paper, Nov 2007.

[DimitrovEtAl2007b] Marin Dimitrov, Alex Simov, Sebastian Stein, Mihail Konstantinov
A BPMO Based Semantic Business Process Modelling Environment
In Proc. of the Workshop on Semantic Business Process and Product Lifecycle Management (SBPM), Innsbruck, Austria, Jun, 2007.

[DimitrovEtAl2007a] Marin Dimitrov, Alex Simov, Mihail Konstantinov, Vassil Momtchev
WSMO Studio - a Semantic Web Services Modelling Environment for WSMO (System Description)
In Proc. of the 4th European Semantic Web Conference, Innsbruck, Austria, Jun, 2007.

[KiryakovDavies2007] Atanas Kiryakov, John Davies
Semantic Search
In "Information Retrieval - Searching in the 21st Century"; Ayse Goker (Editor), John Davies (Co-Editor), Margaret Graham (Co-Editor). John Wiley & Sons, Europe, 2007. To appear.

[OgnyanoffEtAl2007] Damyan Ognyanoff, Atanas Kiryakov, Rouslan Velkov, Milena Yankova
D2.6.3 A scalable repository for massive semantic annotation
SEKT project, Jan 2007.
http://www.ontotext.com/publications/SEKT_D2.6.3.PDF

[KiryakovPopov2006] Atanas Kiryakov, Borislav Popov
How Co-Occurrence can Complement Semantics?
Invited talk at the Industry Track of the 5th International Semantic Web Conference (ISWC 2006). 9th of Nov 2006, Athens, GA, USA.
PDF file (922KB), http://iswc2006.semanticweb.org/items/industry8.php

[TchalakovaEtAl2006] Maria Tchalakova, Borislav Popov, Milena Yankova
Methodology for Bootstrapping Relation Extraction for the Semantic Web
In Proc. of The Twelfth International Conference on Artificial Intelligence: Methodology, Systems, Applications (AIMSA 2006). Sep 13-15 2006, Varna, Bulgaria.

[PopovEtAl2006] Borislav Popov, Ilian Kitchukov, Krasimir Angelov, Atanas Kiryakov
Co-occurrence and Ranking of Entities
Ontotext Technology White Paper, May 2006.
PDF file (1,19MB).

[Kiryakov2006b] Atanas Kiryakov
OWLIM: balancing between scalable repository and light-weight reasoner
Presented at the Developer's Track of WWW2006, Edinburgh, Scotland, UK, 23-26 May, 2006.
PDF file (357KB). http://www2006.org/programme/item.php?id=d15

[BontchevaEtAl2006] Kalina Bontcheva, Hamish Cunningham, Atanas Kiryakov, Valentin Tablan
Semantic Annotation and Human Language Technologies
In "Semantic Web Technologies: Trends and Research in Ontology-based Systems"; John Davies (Editor), Rudi Studer (Co-Editor), Paul Warren (Co-Editor). pp. 29-50 John Wiley & Sons, Europe, April 2006. ISBN: 0-470-02596-4.

[Kiryakov2006a] Atanas Kiryakov
Ontologies for Knowledge Management
In "Semantic Web Technologies: Trends and Research in Ontology-based Systems"; John Davies (Editor), Rudi Studer (Co-Editor), Paul Warren (Co-Editor). pp. 115-138 John Wiley & Sons, Europe, April 2006. ISBN: 0-470-02596-4.

[KiryakovEtAl2005] Atanas Kiryakov, Damyan Ognyanov, Dimitar Manov
OWLIM – a Pragmatic Semantic Repository for OWL
In Proc. of Int. Workshop on Scalable Semantic Web Knowledge Base Systems (SSWS 2005), WISE 2005, 20 Nov, New York City, USA.
PDF file (150KB). Springer-Verlag LNCS series, LNCS 3807, pp.182-192.

[CasellasEtAl2005] Nuria Casellas, Mercedes Blazquez, Atanas Kiryakov, Pompeu Casanovas, Marta Poblet, Richard Benjamins
OPJK into PROTON: Legal Domain Ontology Integration Into An Upper-Level Ontology
In Proc. of The 3rd International Workshop on Regulatory Ontologies (WORM 2005) , Larnaca, Cyprus, 31st Oct - 4th Nov, 2005.
Springer-Verlag LNCS series, LNCS 3762, pp.846-855.

[TerzievEtAl2005] Ivan Terziev, Atanas Kiryakov, Dimitar Manov.
Base Upper-level Ontology (BULO) Guidance
Deliverable 1.8.1, SEKT project, July 2005.
http://proton.semanticweb.org/D1_8_1.pdf

[DimitrovEtAl2005] Marin Dimitrov, Alex Simov, Vassil Momtchev, Damyan Ognyanov
WSMO Studio - An Integrated Service Environment for WSMO
In Proc. of The 2nd WSMO Implementation Workshop, Innsbruck, Austria, Jun, 2005.

[MaynardEtAl2005] Diana Maynard, Milena Yankova, Alexandros Kourakis, Antonis Kokossis
Ontology-Based Information Extraction For Market Monitoring And Technology Watch,
In Proc. of The ESWC Workshop "End User Apects of the Semantic Web", Heraklion, Crete, May, 2005.
PDF file (445KB)

[DowmanEtAl2005] Mike Dowman, Valentin Tablan, Hamish Cunningham, Cristian Ursu, Borislav Popov.
Semantically Enhanced Television News through Web and Video Integration.
In Proc. of the ESWC05 Workshop on Multimedia and the Semantic Web. Crete, 29 May 2005.
PDF file (184KB)

[DowmanEtAl2005] Mike Dowman, Valentin Tablan, Hamish Cunningham, Borislav Popov.
Content Augmentation for Mixed-Mode News Broadcasts.
In Proc. of the 3rd European Conference on Interactive Television: User Centred ITV Systems, Programmes and Applications. Aalborg University, Denmark, 2005.
PDF file (300KB)

[DowmanEtAl2005] Mike Dowman, Valentin Tablan, Hamish Cunningham, Borislav Popov.
Web-Assisted Annotation, Semantic Indexing and Search of Television and Radio News.
In Proc. of the 14th International World Wide Web Conference. Chiba, Japan, 2005.
PDF file (375KB)

[MaynardEtAl2004] Diana Maynard, Milena Yankova, Niraj Aswani, Hamish Cunningham
Automatic Creation and Monitoring of Semantic Metadata in a Dynamic Knowledge Portal
In Proc. of The Eleventh International Conference on Artificial Intelligence: Methodology, Systems, Applications - Semantic Web Challenges (AIMSA 2004) , Varna, Bulgaria, September 2nd-4th, 2004.
PDF file (278KB)

[KiryakovEtAl2004b] Atanas Kiryakov, Damyan Ognyanoff, Vesselin Kirov
An Ontology Representation and Data Integration (ORDI) Framework
Deliverable D2.2 of the DIP project.
PDF file (864KB)

[KiryakovEtAl2004a] Atanas Kiryakov, Borislav Popov, Ivan Terziev, Dimitar Manov, Damyan Ognyanoff
Semantic Annotation, Indexing, and Retrieval
Extended and updated version of [KiryakovEtAl2003]. Elsevier's Journal of Web Semantics, Vol. 2, Issue (1), 2005. http://www.websemanticsjournal.org/ps/pub/2005-10, PDF file (1255KB)

[PopovEtAl2004a] Borislav Popov, Atanas Kiryakov, Damyan Ognyanoff, Dimitar Manov, Angel Kirilov
KIM - A Semantic Platform For Information Extraction and Retrieval
Journal of Natural Language Engineering, Vol. 10, Issue 3-4, Sep 2004, pp. 375-392, Cambridge University Press.

[DimitrovEtAl2004a] Marin Dimitrov, Kalina Bontcheva, Hamish Cunningham, Diana Maynard
A Light-weight Approach to Coreference Resolution for Named Entities in Text
to appear in A. Branco, T. McEnery and R. Mitkov (eds.), Anaphora Processing: Linguistic, Cognitive and Computational Modelling, 2004

[PopovEtAl2003b] Borislav Popov, Atanas Kiryakov, Damyan Ognyanoff, Dimitar Manov, Angel Kirilov, Miroslav Goranov
Towards Semantic Web Information Extraction
Human Language Technologies Workshop at the 2nd International Semantic Web Conference (ISWC2003), 20 October 2003, Florida, USA.
PDF file (438KB)

[KiryakovEtAl2003] Atanas Kiryakov, Borislav Popov, Damyan Ognyanoff, Dimitar Manov, Angel Kirilov, Miroslav Goranov
Semantic Annotation, Indexing, and Retrieval
2nd International Semantic Web Conference (ISWC2003), 20-23 October 2003, Florida, USA. LNAI Vol. 2870, pp. 484-499, Springer-Verlag Berlin Heidelberg 2003.
PDF file (945KB)

[PopovEtAl2003] Borislav Popov, Atanas Kiryakov, Angel Kirilov, Dimitar Manov, Damyan Ognyanoff, Miroslav Goranov
KIM – Semantic Annotation Platform
2nd International Semantic Web Conference (ISWC2003), 20-23 October 2003, Florida, USA. LNAI Vol. 2870, pp. 834-849, Springer-Verlag Berlin Heidelberg 2003.
PDF file (938KB)

[ManovEtAl2003] Dimitar Manov, Atanas Kiryakov, Borislav Popov, Kalina Bontcheva, Diana Maynard, Hamish Cunningham
Experiments with Geographic Knowledge for Information Extraction
NAACL-HLT 2003, Canada., Workshop on the Analysis of Geographic References, May 31 2003, Edmonton, Alberta. All papers presented at the workshop are listed here.
PDF file (158K)

[CunninghamEtAl2003a] Hamish Cunningham, Valentin Tablan, Kalina Bontcheva, Marin Dimitrov
Language Engineering Tools for Collaborative Corpus Annotation
Corpus Linguistics 2003, Lancaster, UK.
PDF file (351 KB)

[FenselEtAl2002] Dieter Fensel, Frank van Harmelen, Ying Ding, Michel Klein, Hans Akkermans, Jeen Broekstra, Arjohn Kampman, Jos van der Meer, York Sure, Rudi Studer, Uwe Krohn, John Davies, Robert Engels, Victor Iosif, Atanas Kiryakov, Thorsten Lau, Ulrich Reimer, Ian Horrocks.
On-To-Knowledge in a Nutshell
IEEE Computer, 2002.
PDF file (194KB)

[KiryakovEtAl2002d] Atanas Kiryakov, Damyan Ognyanov, Borislav Popov.
Ontology Middleware Module (OMM) Integration
Deliverable 41, On-To-Knowledge project, Sept 2002.
http://www.ontotext.com/publications/index.html#KiryakovEtAl2002d
PDF file

[KiryakovEtAl2002c] Atanas Kiryakov, Kiril Simov, Damyan Ognyanov.
Ontology Middleware and Reasoning
In the "Towards the Semantic Web: Ontology-Driven Knowledge Management", editors John Davies, Dieter Fensel, Frank van Harmelen. John Wiley & Sons, Europe, 2002.
Read more at http://www.wileyeurope.com/cda/product/0,,0470848677,00.html

[KleinEtAl2002] Michel Klein, Dieter Fensel, Atanas Kiryakov, Damyan Ognyanov.
Ontology Versioning and Change Detection on the Web
In the Proceedings of 13th International Conference on Knowledge Engineering and Knowledge Management EKAW02, Sigüenza, Spain, 1-4 October 2002.

[KiryakovOgnyanov2002b] Atanas Kiryakov and Damyan Ognyanov.
Tracking Changes in RDF(S) Repositories
In the Proceedings of 13th International Conference on Knowledge Engineering and Knowledge Management EKAW02, Sigüenza, Spain, 1-4 October 2002.
PDF file (85KB)

[MaynardEtAl2002] Diana Maynard, Hamish Cunningham, Kalina Bontcheva, and Marin Dimitrov.
Adapting a Robust Multi-Genre NE System for Automatic Content Extraction
In "Artificial Intelligence: Methodology, Systems, and Applications", D. Scott (Ed.), 10th International Conference, AIMSA 2002, Varna, Bulgaria, September 4-6, 2002. Proceedings. LNAI Vol. 2443, pp. 264-273, Springer-Verlag Berlin Heidelberg 2002.
PDF file (185KB)

[DimitrovEtAl2002] Marin Dimitrov, Kalina Bontcheva, Hamish Cunningham, Diana Maynard.
A Light-Weight Approach to Coreference Resolution for Named Entities in Text
In the Proceedings of DAARC 2002 - 4th Discourse Anaphora and Anaphor Resolution Colloquium, University of Lisbon, Portugal, 18-20 September, 2002.
PDF file (54KB)

[Marinova2002] Zlatina Marinova.
Planning in Multiagent Systems
M.Sc. Thesis, Department of Computer Science, Sofia University, July 2002
PDF file (370KB)

[BontchevaEtAl2002] Kalina Bontcheva, Marin Dimitrov, Diana Maynard, Valentin Tablan, Hamish Cunningham.
Shallow Methods for Named Entity Coreference Resolution
In the Proceedings of TALN 2002 Workshop "Chaines de références et résolveurs d'anaphores", Nancy, France, 24-27 June, 2002.
PDF file (105KB)

[SimovJordanov2002] Kiril Simov, Stanislav Jordanov.
BOR: a Pragmatic DAML+OIL Reasoner
Deliverable 40, On-To-Knowledge project, June 2002.
http://www.ontotext.com/publications/index.html#SimovJordanov2002
PDF file (180KB), PS file, zipped (87KB), DOC file (198KB),

[KiryakovEtAl2002b] Atanas Kiryakov, Damyan Ognyanov, Borislav Popov.
Ontology Middleware Implementation
Deliverable 39, On-To-Knowledge project, June 2002.
http://www.ontotext.com/publications/index.html#KiryakovEtAl2002b
PDF file (218KB), PS file, zipped (117KB), DOC file (561KB),

[KiryakovOgnyanov2002a] Atanas Kiryakov and Damyan Ognyanov.
Tracking Changes in RDF(S) Repositories
In the Proceedings of Workshop on Knowledge Transformation for the Semantic Web, at the 15th European Conference on Artificial Intelligence, pages 27-25. Lyon, France, July 23, 2002.
PDF file (148KB)

[KiryakovEtAl2002] Atanas Kiryakov, Kiril Iv. Simov, Damyan Ognyanov.
Ontology Middleware: Analysis and Design
Deliverable 38, On-To-Knowledge project, March 2002.
http://www.ontotext.com/publications/index.html#KiryakovEtAl2002
PDF file (475KB), PS file, zipped (368KB), DOC file (820KB),

[Simov2002] Kiril Iv. Simov
DAML+OIL Syntax Overview and Analysis
Technical Report, OntoText Lab, February 2002.
http://www.ontotext.com/publications/daml-oil-syntax.htm

[Dimitrov2002] Marin Dimitrov
A Light-weight Approach to Coreference Resolution for Named Entities in Text
M.Sc. Thesis, Department of Computer Science, Sofia University, February 2002.
DOC file (916KB), PDF file (845KB), RTF file, zipped (1166KB), PS file, zipped (1064KB)

[Scheffer et al.2002] Tobias Scheffer, Stefan Wrobel, Borislav Popov, Damyan Ognyanoff, Christian Wiech, Sussane Hoche.
Learning Hidden Markov Models for Information Extractions Actively from Partially Labeled Text
Künstliche Intelligenz, 2002 (to appear)
PDF file (341KB)

[Kiryakov et al.2001d] Atanas Kiryakov, Kiril Iv. Simov, Marin Dimitrov.
OntoMap: The Upper-Ontology Portal.
In: Proceedings of "Formal Ontology in Information Systems", FOIS-2001, October 17-19, 2001, Ogunquit, Maine.
PostScript file (176KB) PDF file (165KB)

[Kiryakov et al.2001c] Atanas Kiryakov, Kiril Iv. Simov, Marin Dimitrov.
OntoMap: Ontologies for Lexical Semantics
In: Proceedings of RANLP - 2001"Recent Advances in NLP", 5-7 September 2001, Tzigov Chark, Bulgaria.
PostScript file (191KB) PDF file (145KB)

[Kiryakov et al.2001b] Atanas Kiryakov, Kiril Iv. Simov, Marin Dimitrov.
OntoMap - the Guide to the Upper-Level.
In: Proceedings of the International Semantic Web Working Symposium (SWWS), July 30 - August 1, 2001, Stanford University, California, USA.
PostScript file (176KB) PDF file (229KB)

[Kiryakov et al.2001a] Atanas Kiryakov, Kiril Iv. Simov, Marin Dimitrov.
TR1. OntoMap: The Upper-Ontology Portal (rev. 2).
OntoText Lab. technical report.
PostScript file (176KB) PDF file (229KB)

[Dimitrov et al.2001] Marin Dimitrov, Atanas Kiryakov, Kiril Simov
OntoMap: Upper-Ontology Service Agent
Proceedings of Workshop on Ontologies in Agent Systems, Autonomous Agents 2001 in Montreal, Canada, on May 29, 2001. PS file (118KB), PDF file (157KB)

[Simov et al.2001] Kiril Simov, Zdravko Peev, Milen Kouylekov, Alexander Simov, Marin Dimitrov, Atanas Kiryakov,
CLaRK - an XML Based System for Corpora Development
UCREL Technical Paper number 13. Special issue. Proceedings of the Corpus Linguistics 2001 conference, edited by Paul Rayson, Andrew Wilson, Tony McEnery, Andrew Hardie and Shereen Khoja. ISBN 1 86220 107 2. Lancaster University (UK), 29 March - 2 April 2001 PDF file (153KB)

[KiryakovSimov2000b] Atanas Kiryakov, Kiril Iv.Simov
Mapping of EuroWordnet Top Ontology to Upper Cyc Ontology.
In: Proceedings of “Ontologies and Text” workshop, during EKAW 2000. Juan-les-Pins, French Riviera, Oct. 2-6, 2000. pp. 93-105. PostScript file (157KB), PDF file (208KB)

[KiryakovSimov2000a] Atanas Kiryakov, Kiril Iv.Simov
A comparison between Upper Cyc Ontology and EuroWordnet Top Ontology
In: Proceedings of “OntoLex 2000: Ontologies and Lexical Knowledge Bases”, Sozopol, Sept. 8-10, 2000. (to appear)

[Dimitrov2000] Marin Dimitrov
XML Standards for Ontology Exchange.
In: Proceedings of “OntoLex 2000: Ontologies and Lexical Knowledge Bases”, Sozopol, Sept. 8-10, 2000. (to appear). PostScript file (1991KB), MS Word 97 file (DOC, 461KB), RTF file (966KB), PDF file (438KB)

[KiryakovSimov1999] Atanas Kiryakov, Kiril Iv.Simov
Ontologically Supported Semantic Matching
In: Proceedings of “NODALIDA’99: Nordic Conference on Computational Linguistics”, Trondheim, Dec. 9-10, 1999. Trondheim: NTNU. PostScript file (182KB), PDF file (210KB)

[PopovSimovVidinska98]* Dimitar Popov, Kiril Simov, Svetlomira Vidinska.
Dictionary of Writing, Pronunciation and Punctuation of Bulgarian Language (in Bulgarian)
Atlantis KL, Sofia, Bulgaria. 927 pages. October 1998.

[SimovPopov96]* Kiril Simov, Dimitar Popov.
Creating a Morphological Dictionary of Bulgarian Language
In the proc.  of COMPLEX'96 Confernce. Pages 233-242. September 1996.  Budapest, Hungary.

[Kiryakov95] Atanas Kiryakov
Automatic Translation between Declarative Formalisms for Knowledge Representation
M.Sc. Thesis, Department of Computer Science, Sofia University, November 1995

[MarinovAlexievDjonev94] Marinov, G., Alexiev, V., and Djonev, Y.,
Boolean Constraint Propagation Networks
In: Proceedings of "Artificial Intelligence: Methodology, Systems, Applications (AIMSA '94)", Sofia, Bulgaria, 1994.
PostScript file (141KB)