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» Similarity Queries on Structured Data in Structured Overlays
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SODA
2008
ACM
105views Algorithms» more  SODA 2008»
15 years 7 months ago
Distribution-sensitive point location in convex subdivisions
A data structure is presented for point location in convex planar subdivisions when the distribution of queries is known in advance. The data structure has an expected query time t...
Sébastien Collette, Vida Dujmovic, John Iac...
VLDB
2007
ACM
105views Database» more  VLDB 2007»
16 years 6 months ago
Using a distributed quadtree index in peer-to-peer networks
Abstract Peer-to-peer (P2P) networks have become a powerful means for online data exchange. Currently, users are primarily utilizing these networks to perform exact-match queries a...
Egemen Tanin, Aaron Harwood, Hanan Samet
MM
2009
ACM
177views Multimedia» more  MM 2009»
16 years 29 days ago
Transfer non-metric measures into metric for similarity search
Similarity search is widely used in multimedia retrieval systems to find the most similar ones for a given object. Some similarity measures, however, are not metric, leading to e...
Danzhou Liu, Kien A. Hua
GCB
2006
Springer
99views Biometrics» more  GCB 2006»
15 years 10 months ago
Shape Distributions and Protein Similarity
: In this paper we describe a similarity model that provides the objective basis for clustering proteins of similar structure. More specifically, we consider the following variant ...
Stefan Canzar, Jan Remy
JGTOOLS
2008
100views more  JGTOOLS 2008»
15 years 6 months ago
Proximity Cluster Trees
Hierarchical spatial data structures provide a means for organizing data for efficient processing. Most spatial data structures are optimized for performing queries, such as inters...
Elena Jakubiak Hutchinson, Sarah F. Frisken, Ronal...