2070 search results - page 119 / 414 » Querying Communities in Relational Databases |
189
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ICDE
2006
IEEE
16 years 16 days ago
2006
IEEE
Relational division, also known as small divide, is a derived operator of the relational algebra that realizes a many-to-one set containment test, where a set is represented as a ...
105
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EDBT
2009
ACM
15 years 3 months ago
2009
ACM
Given a set of n query points in a general metric space, a metricspace skyline (MSS) query asks what are the closest points to all these query points in the database. Here, consid...
EDBT
2002
ACM
15 years 11 months ago
2002
ACM
Abstract. This work addresses the problem of querying moving objects databases. which capture the inherent uncertainty associated with the location of moving point objects. We addr...
SSDBM
2008
IEEE
15 years 5 months ago
2008
IEEE
We propose an automatic method for modeling a relational database that uses SQL triggers and foreign-keys to efficiently answer positive semantic queries about ground instances for...
203
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ICDE
2007
IEEE
16 years 16 days ago
2007
IEEE
Optimizing nested queries is an intricate problem. It becomes even harder if in a nested query the linking predicate or the correlation predicate occurs disjunctively. We present ...