5856 search results - page 427 / 1172 » Developing Query Patterns |
255
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ICDE
2005
IEEE
16 years 6 months ago
2005
IEEE
A reverse nearest neighbor (RNN) query returns the data objects that have a query point as their nearest neighbor (NN). Although such queries have been studied quite extensively in...
223
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ICDE
1997
IEEE
16 years 6 months ago
1997
IEEE
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
246
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SIGMOD
2009
ACM
16 years 5 months ago
2009
ACM
With the proliferation of the RDF data format, engines for RDF query processing are faced with very large graphs that contain hundreds of millions of RDF triples. This paper addre...
168
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SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
The challenge of peer-to-peer computing goes beyond simple file sharing. In the DBGlobe project, we view the multitude of peers carrying data and services as a superdatabase. Our ...
152
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SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
A major problem in today's information-driven world is that sharing heterogeneous, semantically rich data is incredibly difficult. Piazza is a peer data management system tha...