391 search results - page 56 / 79 » An ontology based approach to the integration of entity-rela... |
ICDE
1997
IEEE
14 years 9 months ago
1997
IEEE
2. ODB-QOPTIMIZER : the tool ODB-QOPTIMIZERis a ODMG 93 compliant tool for the schema validation and semantic query optimization. The approach is based on two fundamental ingredien...
COOPIS
2003
IEEE
14 years 1 months ago
2003
IEEE
The organization of documents is a task that we face as computer users daily. This is particularly true for management of email. Typically email documents are organized in director...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
Scientific data are posing new challenges to data management due to the large volume, complexity and heterogeneity of the data. Meanwhile, scientific collaboration becomes increas...
JAIR
2008
13 years 7 months ago
2008
In order for agents to act on behalf of users, they will have to retrieve and integrate vast amounts of textual data on the World Wide Web. However, much of the useful data on the...
SSDBM
2008
IEEE
14 years 2 months ago
2008
IEEE
We propose an automatic method for modeling a relational database that uses SQL triggers and foreign-keys to efficiently answer positive semantic queries about ground instances for...