2514 search results - page 44 / 503 » On the Computation of Approximations of Database Queries |
254
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
We propose a language-model-based ranking approach for SPARQLlike queries on entity-relationship graphs. Our ranking model supports exact matching, approximate structure matching,...
290
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Keyword search is a familiar and potentially effective way to find information of interest that is "locked" inside relational databases. Current work has generally assum...
165
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SAC
2010
ACM
2010
ACM
Query systems in similarity-based databases: logical foundations, expressive power, and completeness
15 years 11 months ago
213
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PODS
2004
ACM
16 years 6 months ago
2004
ACM
The Semantic Web is based on the idea of adding more machine-readable semantics to web information via annotations written in a language called the Resource Description Framework ...
177
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VLDB
2000
ACM
15 years 9 months ago
2000
ACM
Approximate query answering systems provide very fast alternatives to OLAP systems when applications are tolerant to small errors in query answers. Current sampling-based approach...