347 search results - page 26 / 70 » A Comparative Study of Utilizing Topic Models for Informatio... |
KDD
2006
ACM
14 years 8 months ago
2006
ACM
Contextual text mining is concerned with extracting topical themes from a text collection with context information (e.g., time and location) and comparing/analyzing the variations...
CIVR
2007
Springer
14 years 1 months ago
2007
Springer
Near-duplicate keyframes (NDK) play a unique role in large-scale video search, news topic detection and tracking. In this paper, we propose a novel NDK retrieval approach by explo...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
Pseudo-relevance feedback is an effective technique for improving retrieval results. Traditional feedback algorithms use a whole feedback document as a unit to extract words for ...
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Search and recommendation systems must include contextual information to effectively model users’ interests. In this paper, we present a systematic study of the effectiveness of...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
Comments left by readers on Web documents contain valuable information that can be utilized in different information retrieval tasks including document search, visualization, and ...