482 search results - page 67 / 97 » Selectivity Estimation in Spatial Databases |
SSD
2009
Springer
14 years 2 months ago
2009
Springer
The standard database mechanisms for concurrency control, which include transactions and locking protocols, do not provide the support needed for updating complex geographic data i...
VLDB
2000
ACM
13 years 11 months ago
2000
ACM
In this paper we study how to build an effective incremental crawler. The crawler selectively and incrementally updates its index and/or local collection of web pages, instead of ...
PRL
2000
13 years 7 months ago
2000
: In this study, we introduce a set of one-dimensional features to represent two dimensional shape information for HMM (Hidden Markov Model) based handwritten optical character rec...
NIPS
2003
13 years 9 months ago
2003
At a cocktail party, a listener can selectively attend to a single voice and filter out other acoustical interferences. How to simulate this perceptual ability remains a great cha...
MIR
2004
ACM
14 years 1 months ago
2004
ACM
We present a new framework for characterizing and retrieving objects in cluttered scenes. This CBIR system is based on a new representation describing every object taking into acc...