1888 search results - page 305 / 378 » Algorithms for Querying by Spatial Structure |
CVPR
2008
IEEE
14 years 10 months ago
2008
IEEE
In this paper, we present a novel approach to contentsbased image retrieval. The method hinges in the use of quasi-random sampling to retrieve those images in a database which are...
ICDE
2002
IEEE
14 years 9 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...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
In this paper, we define the problem of topic-sentiment analysis on Weblogs and propose a novel probabilistic model to capture the mixture of topics and sentiments simultaneously....
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
A large number of online databases are hidden behind the web. Users to these systems can form queries through web forms to retrieve a small sample of the database. Sampling such h...
ISCC
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract— Today data sources are pervasive and their number is growing tremendously. Current tools are not prepared to exploit this unprecedented amount of information and to cop...