7607 search results - page 246 / 1522 » Querying data provenance |
294
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
When a database query has a large number of results, the user can only be shown one page of results at a time. One popular approach is to rank results such that the "best&quo...
149
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SEMWEB
2010
Springer
15 years 4 months ago
2010
Springer
This paper presents our work on supporting evaluation of integrity constraint issues in semantic web instance data. We propose an alternative semantics for the ontology language, i...
244
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
The concept of dominance has recently attracted much interest in the context of skyline computation. Given an Ndimensional data set S, a point p is said to dominate q if p is bett...
219
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EDBT
2012
ACM
13 years 9 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
224
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WWW
2011
ACM
15 years 1 months ago
2011
ACM
Our objective is to improve the performance of keyword based image search engines by re-ranking their baseline results. To this end, we address three limitations of existing searc...