613 search results - page 92 / 123 » Query Evaluation on a Database Given by a Random Graph |
206
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VLDB
2007
ACM
16 years 2 days ago
2007
ACM
Given a multidimensional point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for proc...
ICDE
2010
IEEE
15 years 11 months ago
2010
IEEE
Decision support queries that scan large indexes can suffer significant degradation in I/O performance due to index fragmentation. DBAs rely on rules of thumb that use index size a...
SWAP
2008
15 years 1 months ago
2008
Abstract. The limitations of deductive logic-based approaches at deriving operational knowledge from ontologies may be overcome by inductive (instancebased) methods, which are usua...
RECOMB
2006
Springer
16 years 4 days ago
2006
Springer
Abstract. Peptide mass fingerprinting is a technique to identify a protein from its fragment masses obtained by mass spectrometry after enzymatic digestion. Recently, much attentio...
199
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SIGMOD
2005
ACM
15 years 12 months ago
2005
ACM
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...