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SSDBM
2010
IEEE
127views Database» more  SSDBM 2010»
15 years 4 months ago
Optimizing All-Nearest-Neighbor Queries with Trigonometric Pruning
Many applications require to determine the k-nearest neighbors for multiple query points simultaneously. This task is known as all-(k)-nearest-neighbor (AkNN) query. In this paper,...
Tobias Emrich, Franz Graf, Hans-Peter Kriegel, Mat...
ENTCS
2008
106views more  ENTCS 2008»
14 years 12 months ago
Computability and Representations of the Zero Set
In this note we give a new representation for closed sets under which the robust zero set of a function is computable. We call this representation the component cover representati...
Pieter Collins
JCDL
2006
ACM
111views Education» more  JCDL 2006»
15 years 5 months ago
Measuring inter-indexer consistency using a thesaurus
When professional indexers independently assign terms to a given document, the term sets generally differ between indexers. Studies of inter-indexer consistency measure the percen...
Olena Medelyan, Ian H. Witten
SIGMOD
1996
ACM
116views Database» more  SIGMOD 1996»
15 years 4 months ago
Optimizing Queries over Multimedia Repositories
Repositories of multimedia objects having multiple types of attributes e.g., image, text are becoming increasingly common. A selection on these attributes will typically produce n...
Surajit Chaudhuri, Luis Gravano
PODS
2009
ACM
130views Database» more  PODS 2009»
16 years 10 days ago
Secondary indexing in one dimension: beyond b-trees and bitmap indexes
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
Rasmus Pagh, Srinivasa Rao Satti