334 search results - page 40 / 67 » On the Update of Term Weights in Dynamic Information Retriev... |
KDD
2010
ACM
13 years 6 months ago
2010
ACM
Crisis Management and Disaster Recovery have gained immense importance in the wake of recent man and nature inflicted calamities. A critical problem in a crisis situation is how t...
AIRWEB
2007
Springer
14 years 1 months ago
2007
Springer
This paper focuses on spam blog (splog) detection. Blogs are highly popular, new media social communication mechanisms. The presence of splogs degrades blog search results as well...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
In this paper we describe techniques for the discovery and construction of user profiles. Leveraging from the emergent data web, our system addresses the problem of sparseness of ...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
MM
2004
ACM
14 years 1 months ago
2004
ACM
Most current image retrieval systems and commercial search engines use mainly text annotations to index and retrieve WWW images. This research explores the use of machine learning...