273 search results - page 18 / 55 » Topic and keyword re-ranking for LDA-based topic modeling |
JCDL
2011
ACM
12 years 10 months ago
2011
ACM
Collaborative research has been increasingly popular and important in academic circles. However, there is no open platform available for scholars or scientists to effectively dis...
CLEF
2006
Springer
13 years 11 months ago
2006
Springer
This paper presents the results of our initial experiments in the monolingual English, Spanish and Portuguese tasks and the Bilingual Spanish English, Spanish Portuguese, Englis...
SIGIR
2012
ACM
11 years 9 months ago
2012
ACM
Hashtags are widely used in Twitter to define a shared context for events or topics. In this paper, we aim to predict hashtag popularity in near future (i.e., next day). Given a ...
WEBDB
2001
Springer
13 years 11 months ago
2001
Springer
In this paper, we propose to use database technology to improve performance of web proxy servers. We view the cache at a proxy server as a web warehouse with data organized in a h...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Social media such as Web forum often have dense interactions between user and content where network models are often appropriate for analysis. Joint non-negative matrix factorizat...