2298 search results - page 128 / 460 » Querying spatial patterns |
133
Voted
GEM
2009
15 years 1 months ago
2009
Swarms of microscopic organisms are well known in nature and have been shown to exhibit many unexpected collective behaviours. We model a swarm of artificial animats in a model wh...
271
Voted
SIGMOD
2005
ACM
16 years 3 months ago
2005
ACM
Given a set of objects P and a query point q, a k nearest neighbor (k-NN) query retrieves the k objects in P that lie closest to q. Even though the problem is well-studied for sta...
134
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CVPR
2001
IEEE
16 years 5 months ago
2001
IEEE
In this paper, we propose a novel method, called local nonnegative matrix factorization (LNMF), for learning spatially localized, parts-based subspace representation of visual pat...
146
Voted
BIOCOMP
2009
15 years 1 months ago
2009
Abstract-- Spatial partial differential equations are commonly used to describe systems of biological entities, such as patterns created by desert vegetation and biovermiculation g...
227
Voted
ICDE
2007
IEEE
16 years 5 months ago
2007
IEEE
To address the needs of data intensive XML applications, a number of efficient tree pattern algorithms have been proposed. Still, most XQuery compilers do not support those algori...