8763 search results - page 266 / 1753 » Querying Database Knowledge |
287
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ICDE
2000
IEEE
16 years 8 months ago
2000
IEEE
In information-integration systems, sources may have diverse and limited query capabilities. In this paper we show that because sources have restrictions on retrieving their infor...
329
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Database query languages can be intimidating to the nonexpert, leading to the immense recent popularity for keyword based search in spite of its significant limitations. The holy ...
206
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AVI
2008
15 years 7 months ago
2008
Traditional database query formulation is intensional: at the level of schemas, table and column names. Previous work has shown that filters can be created using a query paradigm ...
182
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VLDB
1992
ACM
15 years 10 months ago
1992
ACM
Research in temporal databases has mainly focused on defining temporal data models by extending existing models, and developing access structures for temporal data. Little has bee...
174
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AAAI
2006
15 years 8 months ago
2006
This report is an expanded version of a paper in AAAI-2006 proceedings. In this report, we investigate the challenges that must be addressed for the Semantic Web to become a feasi...