273 search results - page 17 / 55 » Topic and keyword re-ranking for LDA-based topic modeling |
KDD
2012
ACM
11 years 9 months ago
2012
ACM
Social media has become a major source of information for many applications. Numerous techniques have been proposed to analyze network structures and text contents. In this paper,...
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
Search algorithms incorporating some form of topic model have a long history in information retrieval. For example, cluster-based retrieval has been studied since the 60s and has ...
CSCW
2012
ACM
12 years 3 months ago
2012
ACM
Disaster-related research in human-centered computing has typically focused on the shorter-term, emergency period of a disaster event, whereas effects of some crises are longterm,...
SIGIR
2010
ACM
13 years 7 months ago
2010
ACM
Microblog services let users broadcast brief textual messages to people who "follow" their activity. Often these posts contain terms called hashtags, markers of a post&#...
CLEF
2009
Springer
13 years 8 months ago
2009
Springer
In this paper we will briefly describe the approaches taken by the Berkeley Cheshire Group for the GikiCLEF task of the QA track. Because the task was intended to model some aspec...