158 search results - page 25 / 32 » On Optimizing Nearest Neighbor Queries in High-Dimensional D... |
SAC
2004
ACM
15 years 2 months ago
2004
ACM
The importance of text mining stems from the availability of huge volumes of text databases holding a wealth of valuable information that needs to be mined. Text categorization is...
GEOINFORMATICA
2006
14 years 9 months ago
2006
Existing estimation approaches for spatial databases often rely on the assumption that data distribution in a small region is uniform, which seldom holds in practice. Moreover, the...
EDBT
2004
ACM
15 years 9 months ago
2004
ACM
Despite the existence of obstacles in many database applications, traditional spatial query processing utilizes the Euclidean distance metric assuming that points in space are dire...
SISAP
2009
IEEE
15 years 4 months ago
2009
IEEE
—We present an overview of the combinatorial framework for similarity search. An algorithm is combinatorial if only direct comparisons between two pairwise similarity values are ...
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ICDE
2002
IEEE
15 years 10 months ago
2002
IEEE
We investigate techniques for analysis and retrieval of object trajectories in a two or three dimensional space. Such kind of data usually contain a great amount of noise, that ma...