Prof. Peter Vojtáš

Research groups

SemWeX

Research topics

• online learning of user preferences
• web semantization (automated extraction and annotation)
• management and preference querying of semantized data
• uncertain reasoning (deduction, induction, abduction)

Teachingtop

Ph.D. studentstop

Jan Dědek, M.Sc., Ladislav Peška, M.Sc.

Supervised thesestop

Research grantstop

• Semantization of the Web (GACR P202/10/0761) 2010-2012 head investigator
• Methods for Intelligent Systems and Their Applications in Datamining and Natural Language Processing (AV CR 1ET100300517) 2005-2009 cooperant
• Modern methods and applications of software engineering (GAUK SVV-2010-261312) 2010-2010 cooperant
• Processing of XML Data (GACR 201/09/0990) 2009-2011 cooperant
• Intelligent Models, Algorithms, Methods and Tools for the Semantic Web (AV CR 1ET100300419) 2004-2008 cooperant
• (show all)

Publicationstop

2012

Refereed (journals/proceedings) (1)

• Dědek J., Vojtáš P., Vomlelová M.: Fuzzy ILP Classification of web reports after linguistic text mining, in Information Processing and Management, Vol. 48, Num. 3, ISSN: 0306-4573, pp. 438-450, 2012 - online

2011

Refereed (journals/proceedings) (7)

• Eckhardt A., Horničák E., Vojtáš P.: Evaluating top-k algorithms with various sources of data and user preferences, in Lecture Notes in Computer Science, Vol. 2011, Num. 7022, ISSN: 0302-9743, pp. 258-269, 2011
• Horničák E., Ondreička M., Pokorný J., Vojtáš P.: Multi-user Searching of Top-k Objects with Data on Remote Servers, in ADBIS 2011 – Research Communications, Wien, Oesterreichische Computer Gesellschaft, ISBN: 978-3-85403-285-4, pp. 200-211, 2011
• Lašek I., Vojtáš P.: Building a Knowledge Base with Data Crawled from Semantic Web, in DATAKON 2011, Proceedings of the Annual Database Conference, Mikulov, Vysoké učení technické Brno, ISBN: 978-80-214-4329-7, pp. 1-10, 2011
• Lašek I., Vojtáš P.: News Filtering with Semantic Web Entities, in Informačné Technológie - Aplikácie a Teória, Vrátná dolina, Slovensko, PONT s. r. o., ISBN: 978-80-89557-01-1, pp. 17-22, 2011
• Peška L., Eckhardt A., Vojtáš P.: UPComp - A PHP Component for Recommendation Based on User Behaviour, in Proceedings of WI-IAT 2011, Lyon, France, IEEE Computer Society, ISBN: 978-1-4577-1373-6, pp. 306-309, 2011
• Pokorný J., Novotný O., Maryška M., Vojtáš P., Skopal T., Nečaský M., Matoušek K., Kubalík J., Šíma J., Žák S., Víta M.: SoSIReČR -sociální sít informatiků v regionech ČR, in Systémová integrace, Vol. 18, Num. 2, ISSN: 1210-9479, pp. 259-269, 2011
• Pokorný J., Vojtáš P., Nečaský M., Skopal T., Matoušek K., Kubalík J., Novotný O., Maryška M.: SoSIReČR - IT Professional Social Network, in Proceedings of the 2011 International Conference on Computational Aspects of Social Networks (CASoN)., Salamanca, IEEE, ISBN: 978-1-4577-1132-9, pp. 108-113, 2011

2010

Refereed (journals/proceedings) (9)

• Dědek J., Vojtáš P., Vojtáš J.: Obsahuje web indikace blížící se krize? Umíme je rozeznat?, in Sborník 18. ročníku mezinárodní konference Systémová integrace 2010, Praha, Oeconomica, ISBN: 978-80-245-1660-8, pp. 166-175, 2010
• Dědek J., Vojtáš P., Vomlelová M.: Evaluace fuzzy ILP klasifikátoru na datech o dopravních nehodách, in Znalosti 2010, VŠE v Praze, Oeconomica, ISBN: 978-80-245-1636-3, pp. 187-190, February 2010
• Dědek J., Vojtáš P., Vomlelová M.: Evaluace fuzzy ILP klasifikátoru na datech o dopravních nehodách., in Znalosti 2010, Jindřichův Hradec, Oeconomica, ISBN: 978-80-245-1636-3, pp. 187-190, 2010
• Eckhardt A., Vojtáš P.: Learning User Preferences for 2CP-Regression for a Recommender System, in Lecture Notes in Computer Science, Vol. 2010, Num. 5901, ISSN: 0302-9743, pp. 346-357, 2010 - PDF verze článku.
• Eckhardt A., Vojtáš P.: Learning user preferences for top-k querying - improving learning of the higher ranked objects, in Proceedings of the 4th Asia International Symposium on Mechatronics, Singapore, AISM 2010 Organizers, ISBN: 978-981-08-7723-1, pp. 20-26, 2010 - Camera ready verze clanku.
• Pokorný J., Pribolová J., Vojtáš P.: Ontology ngineering relationally, in Frontiers in Artificial Intelligence and Applications, Vol. 2010, Num. 206, ISSN: 0922-6389, pp. 275-282, 2010
• Václav B., Eckhardt A., Vojtáš P.: PrefShop - a web shop with user preference search capabilities, in Proceedings of WI-IAT 2010, Toronto, Canada, IEEE Computer Society, ISBN: 978-0-7695-4191-4, pp. 130-133, 2010 - Camera ready verze clanku., PDF verze clanku
• Vojtáš P., Vaneková V.: Comparison of Scoring and Order Approach in Description Logic EL(D), in SOFSEM 2010: Theory and Practice of Computer Science, Špindleruv Mlýn, Czech Republic, Springer, ISBN: 978-3-642-11265-2, ISSN: 0302-9743, pp. 709-720, 2010
• Vojtáš P., Vaneková V.: Order-Oriented Reasoning in Description Logics, in Advances in Intelligent Web Mastering 2, Praha, Springer Verlag, ISBN: 978-3-642-10686-6, ISSN: 1867-5662, pp. 219-228, 2010

2009

Refereed (journals/proceedings) (13)

• Dědek J., Eckhardt A., Vojtáš P.: Web Semantization - design and principles, in Proceedings of the 6th Atlantic Web Intelligence Conference - AWIC'2009, Springer Verlag, ISBN: 978-3-642-10686-6, ISSN: 1615-3871, pp. 3-18, September 2009
• Dědek J., Vojtáš P.: Fuzzy Classification of Web Reports with Linguistic Text Mining, in WI 2009 - IEEE/WIC/ACM International Conference on Web Intelligence (WI'09), IEEE Computer Society, ISBN: 978-0-7695-3801-3, pp. 167-170, September 2009 - WWW
• Dědek J., Vojtáš P.: Web Information extraction for e-environment, in Proceedings of the European conference of the Czech Presidency of the Council of the EU TOWARDS eENVIRONMENT, Masaryk University, ISBN: 978-80-210-4824-9, pp. 138-143, 2009 - WWW
• Eckhardt A., Skopal T., Vojtáš P.: On fuzzy vs. metric similarity search in complex databases, in FQAS 2009 - Eighth International Conference Flexible Query Answering Systems 2009, Springer, ISBN: 978-3-642-04956-9, pp. 64-75, October 2009
• Eckhardt A., Vojtáš P.: Combining various methods of automated user decision and preferences modelling, in MDAI 2009 - The 6th International Conference on Modeling Decisions for Artificial Intelligence, Springer, ISBN: 978-3-642-04819-7, pp. 172-181, 2009
• Eckhardt A., Vojtáš P.: Evaluating natural user preferences for selective retrieval, in WI 2009 - IEEE/WIC/ACM International Conference on Web Intelligence (WI'09), IEEE Computer Society, ISBN: 978-0-7695-3801-3, pp. 104-107, September 2009
• Eckhardt A., Vojtáš P.: How to learn fuzzy user preferences with variable objectives, in 2009 IFSA World Congress, ISBN: 978-989-95079-6-8, pp. 938-943, July 2009
• Gurský P., Horváth T., Jirásek J., Krajči S., Novotný R., Pribolová J., Vaneková V., Vojtáš P.: User preference web search - experiments with a system connecting web and user, in Computing and Informatics, Vol. 28, Num. 4, ISSN: 1335-9150, pp. 515-553, 2009
• Gurský P., Pázman R., Vojtáš P.: On supporting wide range of attribute types for top-k search, in Computing and Informatics, Vol. 4, ISSN: 1335-9150, pp. 483-513, 2009
• Jenček P., Vojtáš P., Kopecký M., Höschl C.: Sociomapping in text retrieval systems, in Flexible Query Answering Systems, Roskilde University, pp. 122-133, October 2009
• Pokorný J., Pribolová J., Vojtáš P.: Ontology Engineering Relationally, in EJC 2009, Maribor, ISBN: 978-961-248-162-9, pp. 65-84, June 2009
• Pokorný J., Pribolová J., Vojtáš P.: Translation of Ontology Retrieval Problem, in DATESO 2009, Spindleruv Mlyn, Czech Republic, Czech Technical University in Prague, ISBN: 978-80-01-04323-3, ISSN: 1613-0073, pp. 44-55, 2009 - WWW
• Vojtáš P., Eckhardt A.: Using tuneable fuzzy similarity in non-metric search, in SISAP 2009: Second international workshop on similarity search and applications, Prague, Czech Republic, IEEE, ISBN: 978-0-7695-3765-8, pp. 163-164, August 2009

Book chapters (2)

• Duží M., Tokuda T., Vojtáš P., Yoshida N., Heimbuerger A.: Multi-agent knowledge modelling, in Information modelling and knowledge bases XX, IOS Press, ISBN: 978-1-58603-957-8, pp. 411-428, 2009
• Vaneková V., Vojtáš P.: A description Logic with Concept Ordering and top-k Restriction, in Information modelling and knowledge bases XX, IOS Press, ISBN: 978-1-58603-957-8, pp. 139-153, 2009

Technical reports (1)

• Pokorný J., Pribolová J., Vojtáš P.: Ontology Engineering Relationally, technical report no. 2009/2, Faculty of Mathematics and Physics, Charles University, 20 pages, 2009 - WWW

2008

Refereed (journals/proceedings) (13)

• Dědek J., Eckhardt A., Galamboš L., Vojtáš P.: Discussion on Uncertainty Ontology for Annotation and Reasoning (a position paper), in URSW '08 Uncertainty Reasoning for the Semantic Web - Volume 4, The 7th International Semantic Web Conference, pp. 128-129, 2008
• Dědek J., Eckhardt A., Vojtáš P.: Experiments with Czech Linguistic Data and ILP, in ILP 2008 - Inductive Logic Programming (Late Breaking Papers), Prague, Czech Republic, Action M, ISBN: 978-80-86742-26-7, pp. 20-25, 2008 - WWW
• Dědek J., Eckhardt A., Vojtáš P., Galamboš L.: Sémantický Web, in DATAKON 2008, Hotel Santon, Brno, Czech Republic, ISBN: 978-80-7355-081-3, pp. 12-30, October 2008
• Dědek J., Vojtáš P.: Computing aggregations from linguistic web resources: a case study in Czech Republic sector/traffic accidents, in Second International Conference on Advanced Engineering Computing and Applications in Sciences, Valencia, Spain, IEEE Computer Society, ISBN: 978-0-7695-3369-8, pp. 7-12, October 2008
• Dědek J., Vojtáš P.: Exploitation of linguistic tools in semantic extraction - a design, in Intelligent Information Systems XVI, Academic Publishing House EXIT, ISBN: 978-83-60434-44-4, pp. 239-247, June 2008
• Dědek J., Vojtáš P.: Extrakce informací z textově orientovaných zdrojů webu, in Znalosti 2008, ISBN: 978-80-227-2827-0, pp. 331-334, 2008
• Dědek J., Vojtáš P.: Linguistic extraction for semantic annotation, in 2nd International Symposium on Intelligent Distributed Computing, Springer-Verlag, ISBN: 978-3-540-85256-8, pp. 85-94, September 2008 - WWW
• Eckhardt A., Horváth T., Maruščák D., Novotný R., Vojtáš P.: Uncertainty Issues and Algorithms in Automating Process Connecting Web and User, in UNCERTAINTY REASONING FOR THE SEMANTIC WEB I, Busan, SOUTH KOREA, NOV 11-15, 2007, Springer Verlag, ISBN: 978-3-540-89764-4, ISSN: 0302-9743, pp. 207-223, 2008
• Eckhardt A., Vojtáš P.: Considering data-mining techniques in user preference learning, in 2008 IEEE/WIC/ACM International Conference on Web Intelligence And Intelligent Agent Technology, Sydney, Australia, IEEE, ISBN: 978-0-7695-3496-1, pp. 33-36, 2008
• Gurský P., Horváth T., Jirásek J., Krajči S., Novotný R., Vaneková V., Vojtáš P.: Knowledge Processing for Web Search – An Integrated Model, in IDC 2007-International Symposium on Intelligent and Distributed Computing, Springer Verlag, ISBN: 978-3-540-74929-5, ISSN: 1860-949X, pp. 95-104, 2008
• Gurský P., Vojtáš P.: On top-k search with no random access using small memory, in Advances in Databases and Information Systems, Pori, Finland, Springer-Verlag Berlin Heidelberg, ISBN: 978-3-540-85712-9, ISSN: 0302-9743, pp. 97-111, 2008
• Gurský P., Vojtáš P.: Speeding Up the NRA Algorithm, in SUM 2008 - Scalable Uncertainty Management, Napoli , Italy, Springer, ISBN: 978-3-540-87992-3, ISSN: 0302-9743, pp. 243-255, September 2008
• Vojtáš P.: Decathlon, Conflicting Objectives and User Preference Querying, in DATESO 2008, Desna, Czech Republic, VŠB – Technical University of Ostrava, ISBN: 978-80-248-1746-0, ISSN: 1613-0073, pp. 76-78, April 2008 - WWW

Book chapters (1)

• Duží M., Vojtáš P.: Multi-Criterion Search from the Semantic Point of View, in Information modelling and knowledge bases, IOS Press, ISBN: 978-1-58603-812-0, pp. 21-39, 2008

2007

Refereed (journals/proceedings) (10)

• Duží M., Vojtáš P.: Multi-Criterion Search from the Semantic Point of View, in EJC 2007-17th European-Japanese Conference on Information Modeling and Knowledge Bases, Pori, Finland, Juvenes Print-TTY, Tampere, ISBN: 978-952-15-1786-0, pp. 21-39, June 2007
• Eckhardt A., Horváth T., Maruščák D., Novotný R., Vojtáš P.: Uncertainty Issues in Automating Process Connecting Web and User, in URSW '07 Uncertainty Reasoning for the Semantic Web - Volume 3, Busan, Korea, The 6th International Semantic Web Conference, pp. 97-108, November 2007
• Eckhardt A., Horváth T., Vojtáš P.: Learning different user profile annotated rules for fuzzy preference top-k querying, in International Conference on Scalable Uncertainty Management, Springer Berlin / Heidelberg, ISBN: 978-3-540-75407-7, ISSN: 0302-9743, pp. 116-130, October 2007
• Eckhardt A., Horváth T., Vojtáš P.: PHASES: A User Profile Learning Approach for Web Search, in 2007 IEEE/WIC/ACM International Conference on Web Intelligence - WI 2007, Silicon Valley, CA, NOV 02-05, 2007, IEEE, ISBN: 978-0-7695-3026-0, pp. 780-783, 2007
• Eckhardt A., Pokorný J., Vojtáš P.: A system recommending top-k objects for multiple users preferences, in 2007 IEEE Conference on Fuzzy Systems, ISBN: 978-1-4244-1209-9, ISSN: 1098-7584, pp. 1101-1106, July 2007
• Eckhardt A., Pokorný J., Vojtáš P.: Integrating user and group preferences for top-k search, in Database and Expert Systems Applications, IEEE, ISBN: 978-0-7695-2932-5, ISSN: 1529-4188, pp. 317-322, September 2007
• Eckhardt A., Vojtáš P.: Uživatelské preference při vyhledávání ve webovských zdrojích, in Znalosti 2007, VSB-TU Ostrava, VSB-TY Ostrava, ISBN: 978-80-248-1279-3, pp. 179-190, February 2007 - WWW
• Gurský P., Horváth T., Jirásek J., Krajči S., Novotný R., Vaneková V., Vojtáš P.: Web Search with variable user model, in DATAKON 2007, Hotel Santon, Brno, Czech Republic, Masarykova Univerzita, ISBN: 978-80-7355-076-9, pp. 111-121, October 2007
• Gurský P., Vojtáš P.: Multikriteriálne vyhľadávanie najlepších objektov s podporou viacerých užívateľov, in Znalosti 2007, VSB-TU Ostrava, VSB-TY Ostrava, ISBN: 978-80-248-1279-3, pp. 52-62, February 2007 - WWW
• Horváth T., Vojtáš P.: Induction of Fuzzy and Annotated Logic Programs, in ILP06 - Revised Selected papers on Inductive Logic Programming, Santiago de Compostela, SPAIN, AUG 24-27, 2006, Springer Verlag, ISBN: 978-3-540-73846-6, ISSN: 0302-9743, pp. 260-274, 2007

Book chapters (1)

• Vojtáš P.: EL description logic with aggregation of user preference concepts, in Information Modelling and Knowledge Bases XVIII, IOS Press Amsterdam, ISBN: ISBN 978-1-58603-710-9, pp. 154-166, 2007

2006

Refereed (journals/proceedings) (12)

• Eckhardt A., Vojtáš P.: Towards ontology language handling imperfection, in WIKT 2006 - Workshop on Intelligent and Knowledge oriented Technologies, Bratislava Slovakia, Institute of Informatics SAS Bratislava, ISBN: 978-80-969202-5-9, pp. 124-125, November 2006 - WWW
• Gurský P., Horváth T., Novotný R., Vaneková V., Vojtáš P.: UPRE: User preference based search system, in WI 2006 - IEEE/WIC/ACM International Conference on Web Intelligence (WI 2006 Main Conference Proceedings) (WI'06), Hong Kong, China, IEEE Computer Society, ISBN: 978-0-7695-2747-5, pp. 841-844, December 2006
• Hliněná D., Hliněný P., Vojtáš P.: Multicriteria optimization: starting points, in XXIV. International Colloquium on the Acquisition Process management, University of Defence Brno, Faculty of Economics and Management, ISBN: 80-7231-139-5, pp. 1-9, 2006
• Horváth T., Vojtáš P.: Fuzzy Inductive Logic Programming, in ILP 2006 - Inductive Logic Programming, Santiago , Spain, UDC Press Service, Coruna, ISBN: 84-9749-206-4, pp. 101-103, August 2006
• Horváth T., Vojtáš P.: Ordinal Classification with Monotonicity Constraints, in Advances in Data Mining, Applications in Medicine, Web Mining, Marketing, Image and Signal Mining, 6th Industrial Conference on Data Mining, ICDM 2006, Leipzig, Germany, July 14-15, 2006, Proceedings, Springer, ISBN: 3-540-36036-0, pp. 217-225, 2006
• Kindler E., Vojtáš P.: Anticipující systémy a simulace na počítačích, in Sosym 06 Praha, Evida, Plzeň, ISBN: 80-86596-86-9, pp. 121-128, 2006
• Kindler E., Vojtáš P., Vomlelová M.: Simulace - cesta k vyvažování požadavků servisu a zákazníků, in Sosym 06 Praha, Evida, Plzeň, ISBN: 80-86596-86-9, pp. 129-137, 2006
• Vojtáš P.: A description logic with combination of user preference concepts, crisp roles and existential restrictions, in EJC 2006-16th European - Japanese Conference on Information Modelling and Knowledge Bases, ISBN: 80-248-1023-9, ISSN: 0922-6389, pp. 176-183, 2006
• Vojtáš P.: A fuzzy EL description logic with crisp roles and fuzzy aggregation for web consulting, in IPMU 2006 - Information Processing and management under Uncertainty, Éditions EDK, Paris, ISBN: 2-84254-112-X, pp. 1834-1841, 2006
• Vojtáš P.: EL description logic modeling querying web and learning imperfect user preferences, in URSW '06 Uncertainty Reasoning for the Semantic Web - Volume 2, Athens, GA - USA, pp. 1-2, November 2006
• Vojtáš P.: Model Theoretic and Fixpoint Semantics for Preference Queries over Imperfect Data, in IIDB06-Inconsistency and Incompleteness in Databases, Workshop Collocated with EDBT06-Extending Database Technology, pp. 87-91, 2006 - WWW
• Vojtáš P., Vomlelová M.: On models of comparison of multiple monotone classifications, in IPMU 2006 - Information Processing and management under Uncertainty, Éditions EDK, Paris, ISBN: 2-84254-112-X, pp. 1236-1243, 2006

Book chapters (1)

• Vojtáš P.: Fuzzy Logic Aggregation for Semantic Web Search for the Best Answer, in FUZZY LOGIC AND THE SEMANTIC WEB, Elsevier B. V., ISBN: 978-0-444-51948-1, pp. 341-359, 2006

2005

Refereed (journals/proceedings) (3)

• Horváth T., Sudzina F., Vojtáš P.: Mining rules from monotone classification measuring impact of information systems on business competitiveness, in EMERGING SOLUTIONS FOR FUTURE MANUFACTURING SYSTEMS, ISBN: 0-387-22828-4, pp. 451-458, 2005
• Horváth T., Vojtáš P.: Fuzzy induction via generalized annotated programs, in Computational Intelligence, Theory and Applications, Dortmund, GERMANY, SEP 29-OCT 01, 2004, ISBN: 3-540-22807-1, ISSN: 1615-3871, pp. 419-433, 2005
• Vojtáš P.: Fuzzy logic as an optimisation task, in Joint EUSFLAT-LFA 2005, Eusflat in cooperation with IEEE CIS, ISBN: 84-7653-872-3, pp. 781-786, 2005

2004

Refereed (journals/proceedings) (4)

• Krajči S., Lencses R., Vojtáš P.: A comparison of fuzzy and annotated logic programming, in FUZZY SETS AND SYSTEMS, Vol. 144, Num. 1, ISSN: 0165-0114, pp. 173-192, 2004
• Medina J., Ojeda-Aciego M., Vojtáš P.: Similarity-based unification: a multi-adjoint approach, in FUZZY SETS AND SYSTEMS, Vol. 146, Num. 1, ISSN: 0165-0114, pp. 43-62, 2004
• Smutna-Hlinena D., Vojtáš P.: Graded many-valued resolution with aggregation, in FUZZY SETS AND SYSTEMS, Vol. 143, Num. 1, ISSN: 0165-0114, pp. 157-168, 2004
• Vojtáš P., Horváth T., Krajči S., Lencses R.: An ILP model for a monotone graded classification problem, in KYBERNETIKA, Vol. 40, Num. 3, ISSN: 0023-5954, pp. 317-332, 2004

2003

Refereed (journals/proceedings) (2)

• Medina J., Ojeda-Aciego M., Valverde A., Vojtáš P.: Towards biresiduated multi-adjoint logic programming, in CURRENT TOPICS IN ARTIFICIAL INTELLIGENCE, San Sebastian, SPAIN, NOV 12-14, 2003, ISBN: 3-540-22218-9, ISSN: 0302-9743, pp. 608-617, 2003
• Ojeda-Aciego M., Vojtáš P., Zadrozny S.: Special issue: Guest editorial, in KYBERNETIKA, Vol. 39, Num. 5, ISSN: 0023-5954, pp. 509-510, 2003

2002

Refereed (journals/proceedings) (2)

• Krajči S., Lencses R., Medina J., Ojeda-Aciego M., Valverde A., Vojtáš P.: Non-commutativity and expressive deductive logic databases, in LOGICS IN ARTIFICIAL INTELLIGENCE 8TH, ISBN: 3-540-44190-5, pp. 149-160, 2002
• Krajči S., Lencses R., Medina J., Ojeda-Aciego M., Vojtáš P.: A similarity-based unification model for flexible querying, in FLEXIBLE QUERY ANSWERING SYSTEMS, PROCEEDINGS, ISBN: 3-540-00074-7, pp. 263-273, 2002

2001

Refereed (journals/proceedings) (5)

• Medina J., Ojeda-Aciego M., Vojtáš P.: A completeness theorem for multi-adjoint logic programming, in 10TH IEEE INTERNATIONAL CONFERENCE ON FUZZY SYSTEMS, VOLS 1-3 - MEETING THE GRAND CHALLENGE: MACHINES THAT SERVE PEOPLE , ISBN: 0-7803-7293-X, pp. 1031-1034, 2001
• Pokorný J., Vojtáš P.: A Data model for Flexible Querying, in Advances in Databases and Information Systems, Springer Verlag, ISBN: 3-540-42555-1, pp. 280-293, 2001
• Vojtáš P.: Fuzzy logic programming, in FUZZY SETS AND SYSTEMS, Vol. 124, Num. 3, Sp. Iss. SI, ISSN: 0165-0114, pp. 361-370, 2001
• Vojtáš P., Alsinet T., Godo L.: Different models of fuzzy logic programming with fuzzy unification (towards revision of fuzzy databases), in JOINT 9TH IFSA WORLD CONGRESS AND 20TH NAFIPS INTERNATIONAL CONFERENCE, PROCEEDINGS, VOLS. 1-5, ISBN: 0-7803-7078-3, pp. 1541-1546, 2001
• Vojtáš P., Fabian Z.: Aggregating similar witnesses for flexible query answering, in FLEXIBLE QUERY ANSWERING SYSTEMS - RECENT ADVANCES , ISBN: 3-7908-1347-8, pp. 220-229, 2001

2000

Refereed (journals/proceedings) (3)

• Kacprzyk J., Pasi G., Vojtáš P., Zadrozny S.: Fuzzy querying: Issues and perspectives, in KYBERNETIKA, Vol. 36, Num. 6, ISSN: 0023-5954, pp. 605-616, 2000
• Smutna-Hlinena D., Vojtáš P.: New connectives for (full) fuzzy resolution, in STATE OF THE ART IN COMPUTATIONAL INTELLIGENCE, ISBN: 3-7908-1322-2, pp. 146-151, 2000
• Vojtáš P.: Declarative and procedural semantics of fuzzy similarity based unification, in KYBERNETIKA, Vol. 36, Num. 6, ISSN: 0023-5954, pp. 707-720, 2000

1999

Refereed (journals/proceedings) (1)

• Fuchino S., Mildenberger H., Shelah S., Vojtáš P.: On absolutely divergent series, in FUNDAMENTA MATHEMATICAE, Vol. 160, Num. 3, ISSN: 0016-2736, pp. 255-268, 1999

1998

Refereed (journals/proceedings) (1)

• Vojtáš P.: Series and Toeplitz matrices (a global implicit approach), in TATRA MOUNTAINS MATHEMATICAL PUBLICATIONS, VOL 14, 1998 - REAL FUNCTIONS , pp. 269-281, 1998

1997

Refereed (journals/proceedings) (1)

• Just W., Vojtáš P.: On matrix rapid filters, in FUNDAMENTA MATHEMATICAE, Vol. 154, Num. 2, ISSN: 0016-2736, pp. 177-182, 1997

1995

Refereed (journals/proceedings) (8)

• BALCAR B., SIMON P., Vojtáš P.: REFINEMENT PROPERTIES AND EXTENSIONS OF FILTERS IN BOOLEAN-ALGEBRAS, in TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, Vol. 267, Num. 1, ISSN: 0002-9947, pp. 264-283, 1995
• BALCAR B., Vojtáš P.: ALMOST DISJOINT REFINEMENT OF FAMILIES OF SUBSETS OF N, in PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, Vol. 79, Num. 3, ISSN: 0002-9939, pp. 465-470, 1995
• SPISIAK L., Vojtáš P.: DEPENDENCES BETWEEN DEFINITIONS OF FINITENESS, in CZECHOSLOVAK MATHEMATICAL JOURNAL, Vol. 38, Num. 3, ISSN: 0011-4642, pp. 389-397, 1995
• Vojtáš P.: A lattice of binary relations with polarity, in TATRA MOUNTAINS MATHEMATICAL PUBLICATIONS, VOL 5, 1995 - ORDER ALGEBRAIC STRUCTURES `93 - PROCEEDINGS OF THE SUMMER SCHOOL ON GENERAL ALGEBRA AND ORDERED SETS, DEDICATED TO JAN JAKUBIK , pp. 143-150, 1995
• Vojtáš P.: BOOLEAN ISOMORPHISM BETWEEN PARTIAL ORDERINGS OF CONVERGENT AND DIVERGENT SERIES AND INFINITE SUBSETS OF N, in PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, Vol. 117, Num. 1, ISSN: 0002-9939, pp. 235-242, 1995
• Vojtáš P.: Boolean universe versus fuzzy sets, in TATRA MOUNTAINS MATHEMATICAL PUBLICATIONS, VOL 6, 1995 - FUZZY SETS `94 - PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON FUZZY SETS THEORY AND ITS APPLICATIONS , pp. 179-186, 1995
• Vojtáš P.: CARDINALITIES OF NONCENTERED SYSTEMS OF SUBSETS OF OMEGA, in DISCRETE MATHEMATIC, Vol. 108, Num. 1-3, ISSN: 0012-365X, pp. 125-129, 1995
• Vojtáš P.: WHITE AND BLACK - A BOOLEAN GAME, in JOURNAL OF SYMBOLIC LOGIC, Vol. 49, Num. 2, ISSN: 0022-4812, pp. 708-709, 1995

Software

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