494 search results - page 52 / 99 » Improving Automatic Query Expansion |
ICMCS
2008
IEEE
14 years 2 months ago
2008
IEEE
Conventional approaches to video annotation predominantly focus on supervised identification of a limited set of concepts, while unsupervised annotation with infinite vocabulary...
DEEC
2006
IEEE
14 years 1 months ago
2006
IEEE
Web applications have become an invaluable source of information for many different vertical solutions, but their complex navigation and semistructured format make their informatio...
DAWAK
2005
Springer
14 years 1 months ago
2005
Springer
The queries defined on data warehouses are complex and use several join operations that induce an expensive computational cost. This cost becomes even more prohibitive when querie...
SIGIR
1997
ACM
13 years 12 months ago
1997
ACM
Word usage is domain dependent. A common word in one domain can be quite infrequent in another. In this study we exploit this property of word usage to improve document routing. W...
CCGRID
2003
IEEE
14 years 1 months ago
2003
IEEE
Decentralized and unstructured peer-to-peer (P2P) networks such as Gnutella are attractive for Internet-scale information retrieval and search systems because they require neither...