371 search results - page 19 / 75 » On Two-Dimensional Indexability and Optimal Range Search Ind... |
ESANN
2001
14 years 11 months ago
2001
Over the years the amount and range of electronic text stored on the WWW has expanded rapidly, overwhelming both users and tools designed to index and search the information. It is...
CIKM
2005
Springer
14 years 11 months ago
2005
Springer
We consider the general problem of tracking moving objects in sensor networks. The specific application we consider is that of tracking a chemical plume moving over a large infra...
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ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
We present an index structure for managing weightedsequences in large databases. A weighted-sequence is defined as a two-dimensional structure where each element in the sequence i...
ICMCS
1999
IEEE
15 years 1 months ago
1999
IEEE
In this paper, we propose an original indexing by shape of image databases based on extended grid files. We first introduce a recently developed shape description method and tailo...
SIGMOD
2001
ACM
15 years 9 months ago
2001
ACM
The bit-sliced index (BSI) was originally defined in [ONQ97]. The current paper introduces the concept of BSI arithmetic. For any two BSI's X and Y on a table T, we show how ...