Authors:
Mena, E
Illarramendi, A
Kashyap, V
Sheth, AP
Citation: E. Mena et al., OBSERVER: An approach for query processing in global information systems based on interoperation across pre-existing ontologies, DIST PARALL, 8(2), 2000, pp. 223-271
Authors:
Mena, E
Kashyap, V
Illarramendi, A
Sheth, A
Citation: E. Mena et al., Imprecise answers in distributed environments: Estimation of information loss for multi-ontology based query processing, INT J COOP, 9(4), 2000, pp. 403-425
Citation: Jm. Blanco et al., Mapping among knowledge bases and data repositories: Precise definition ofits syntax and semantics, INF SYST, 24(4), 1999, pp. 275-301