521 search results - page 40 / 105 » Answering Queries by Semantic Caches |
PODS
2006
ACM
15 years 10 months ago
2006
ACM
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
ADBIS
2004
Springer
15 years 3 months ago
2004
Springer
Repairing a database means making the database consistent by applying changes that are as small as possible. Nearly all approaches to repairing have assumed deletions and insertion...
AAAI
2006
14 years 11 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...
IDEAS
2005
IEEE
15 years 3 months ago
2005
IEEE
Traditional approaches to query processing aim at rewriting a given query into another more efficient one that uses less time and/or resources during the execution. There by, the...
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NLDB
2011
Springer
14 years 22 days ago
2011
Springer
Abstract. Linked Data brings the promise of incorporating a new dimension to the Web where the availability of Web-scale data can determine a paradigmatic transformation of the Web...