3969 search results - page 545 / 794 » Query Processing Using Ontologies |
274
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
This paper addresses the problem of monitoring the k nearest neighbors to a dynamically changing path in road networks. Given a destination where a user is going to, this new quer...
168
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BTW
2007
Springer
16 years 17 days ago
2007
Springer
: Skyline queries have recently received a lot of attention due to their intuitive query formulation: users can state preferences with respect to several attributes. Unlike numeric...
156
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MIR
2003
ACM
15 years 11 months ago
2003
ACM
In a typical content-based image retrieval (CBIR) system, query results are a set of images sorted by feature similarities with respect to the query. However, images with high fea...
154
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SIGMOD
1996
ACM
15 years 10 months ago
1996
ACM
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...
176
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
Data Cleaning is an important process that has been at the center of research interest in recent years. An important end goal of effective data cleaning is to identify the relatio...