2169 search results - page 87 / 434 » Inferencing in Database Semantics |
263
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ICDE
1997
IEEE
16 years 5 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...
141
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CDB
2004
Springer
15 years 9 months ago
2004
Springer
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
164
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IDEAS
1999
IEEE
15 years 8 months ago
1999
IEEE
The diversity of spatial information systems promotes the need to integrate heterogeneous spatial or geographic information systems (GIS) in a cooperative environment. This paper ...
115
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DEXAW
2004
IEEE
15 years 7 months ago
2004
IEEE
A model for semantic interoperability among a repository of geographic datasets from different providers is proposed in this article. Specifically, this approach focuses on qualif...
115
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SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
The goal of having networks of seamlessly connected people, software agents and IT systems remains elusive. Early integration efforts focused on connectivity at the physical and s...