14 publications were retrieved.
E. Mena and A. Illarramendi, "Ontology-Based Query Processing for Global Information Systems", Kluwer Academic Publishers, ISBN 0-7923-7375-8, pp. 215, 2001.
E. Mena and V. Kashyap and A. Illarramendi and A. Sheth, "Imprecise Answers in Distributed Environments: Estimation of Information Loss for Multi-Ontology based Query Processing", International Journal of Cooperative Information Systems (IJCIS), special issue Intelligent Integration of Information, World Scientific, ISSN 0218-8430, volume 9, number 4, pp. 403-425, December 2000.
E. Mena and A. Illarramendi and V. Kashyap and A. Sheth, "OBSERVER: An Approach for Query Processing in Global Information Systems based on Interoperation across Pre-existing Ontologies", International journal on Distributed And Parallel Databases (DAPD), Kluwer Academic Publishers, ISSN 0926-8782, volume 8, number 2, pp. 223-272, April 2000.
E. Mena, "OBSERVER: An Approach for Query Processing in Global Information Systems based on Interoperation across Pre-existing Ontologies", University of Zaragoza, November 1998.
E. Mena and V. Kashyap and A. Illarramendi and A. Sheth, "Estimating Information Loss for Multi-ontology Based Query Processing", Workshop on Intelligent Information Integration (III'98), pp. 93-108 at ECAI'98, Brighton (UK), August 1998. Proceedings also published as a technical report in the University of Bremen (Germany), TZI-Report No. 10, 1998.
E. Mena and V. Kashyap and A. Illarramendi and A. Sheth, "Domain Specific Ontologies for Semantic Information Brokering on the Global Information Infrastructure", Proc. of the International Conference on Formal Ontologies in Information Systems (FOIS'98). Trento (Italy), N. Guarino (ed.), IOS Press, serie Frontiers in Artificial Intelligence and Applications (ISSN 0922-6389), volumen 46, libro Formal Ontology in Information Systems (ISBN 90-5199-399-4), pp. 269-283, January 1998.
A. Goñi and A. Illarramendi and E. Mena and J.M. Blanco, "An Ontology Connected to Several Data Repositories: Query Processing Steps", Journal of Computing and Information (JCI), ISSN 1201-8511, volume 3, number 1, 1998. Selected paper from the 9th International Conference on Computing and Information (ICCI'98).
A. Goñi and E. Mena and A. Illarramendi, "Estrategia para el Procesamiento de Preguntas formuladas en un Sistema de Informacion Global", II Jornadas de Investigacion y Docencia en Bases de Datos (JIDBD'97), Getafe, Madrid (Spain), ISBN 84-89315-08-6, pp. 101-110, July 1997.
A. Goñi and A. Illarramendi and E. Mena and J.M. Blanco, "Monitoring the Evolution of Databases in Federated Relational Database Systems", Workshop on Engineering Federated Database Systems (EFDBS'97) at International CAiSE'97, Barcelona (Spain), pp. 81-91, June 1997.
A. Goñi and E. Mena and A. Illarramendi, "Querying Heterogeneous and Distributed Data Repositories using Ontologies", Proceedings of the 7th European-Japanese Conference on Information Modelling and Knowledge Bases (IMKB'97), Toulouse (France), IOS Press, ISBN 90-5199-396-X, pp. 19-34, May 1997.
E. Mena and V. Kashyap and A. Illarramendi and A. Sheth, "Managing Multiple Information Sources through Ontologies: Relationship between Vocabulary Heterogeneity and Loss of Information", Proceedings of Knowledge Representation Meets Databases (KRDB'96) @ ECAI'96 conference, Budapest, Hungary, pp. 50-52, August 1996.
E. Mena and A. Illarramendi and J.M. Blanco, "Discovering Relationships among Ontologies Describing Data Repositories Contents", International Conference on Information, Systems, Analysis and Synthesis (ISAS'96), Orlando (Florida), USA, ISBN 9-80073-873-8, Nagib Callaos (ed.), pp. 474-480, July 1996.
E. Mena and V. Kashyap and A. Sheth and A. Illarramendi, "OBSERVER: An Approach for Query Processing in Global Information Systems based on Interoperation across Pre-existing Ontologies", Proc. of the First IFCIS International Conference on Cooperative Information Systems (CoopIS'96), Brussels (Belgium), IEEE Computer Society Press, ISBN 0-8186-7505-5, pp. 14-25, June 1996.
A. Goñi and A. Illarramendi and J.M. Blanco and E. Mena, "Use of an Object-based system with reasoning capabilities to integrate relational databases", Proc. of the Fifth International Workshop on the Deductive Approach to Information Systems and Databases (DAISD'94), Aiguablava (Spain), LSI/94-28-R, pp. 117-133, September 1994.