509 search results - page 17 / 102 » Using wikipedia categories for ad hoc search |
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....
INEX
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Many realistic user tasks involve the retrieval of specific entities instead of just any type of documents. Examples of information needs include ‘Countries where one ...
HUMAN
2003
Springer
14 years 25 days ago
2003
Springer
Multipath on-demand routing protocols for mobile ad hoc networks try to reduce control overhead and end-to-end delay by computing multiple paths with a single route discovery proce...
MOBIHOC
2004
ACM
14 years 7 months ago
2004
ACM
APS algorithms use the basic idea of distance vector routing to find positions in an ad hoc network using only a fraction of landmarks, for example GPS enabled nodes. All the node...
MOBIHOC
2004
ACM
14 years 1 months ago
2004
ACM
Energy conservation is a critical issue in wireless ad hoc networks since batteries are the only energy source to power the nodes. One major metric for energy conservation is to r...