626 search results - page 84 / 126 » Logical Foundations for Data Integration |
DEBS
2003
ACM
14 years 2 months ago
2003
ACM
Publish/subscribe (pub/sub) middleware facilitates loosely coupled cooperation and fits well the needs of spontaneous, ad-hoc interaction. However, newly started mobile applicati...
RSP
1998
IEEE
14 years 1 months ago
1998
IEEE
STEP is an ISO standard (ISO-10303) for the computerinterpretable representation and exchange of product data. Parts of STEP standardize conceptual structures and usage ofinformat...
PODS
1998
ACM
14 years 1 months ago
1998
ACM
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
AMW
2010
13 years 10 months ago
2010
We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...
AAAI
2000
13 years 10 months ago
2000
We discuss the problems associated with managing ontologies in distributed environments such as the Web. The Web poses unique problems for the use of ontologies because of the rap...