721 search results - page 65 / 145 » Supporting top-k join queries in relational databases |
125
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SEMCO
2009
IEEE
15 years 4 months ago
2009
IEEE
Semantic integration in the hidden Web is an emerging area of research where traditional assumptions do not always hold. Frequent changes, conflicts and the sheer size of the hid...
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
Applications ranging from location-based services to multi-player online gaming require continuous query support to monitor, track, and detect events of interest among sets of mov...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
Ontologies are increasingly being used to build applications that utilize domain-specific knowledge. This paper addresses the problem of supporting ontology-based semantic matchin...
ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
Personalized database systems give users answers tailored to their personal preferences. While numerous preference evaluation methods for databases have been proposed (e.g., skylin...
173
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
"Sparse" data, in which relations have many attributes that are null for most tuples, presents a challenge for relational database management systems. If one uses the no...