1021 search results - page 170 / 205 » The Effectiveness of Concept Based Search for Video Retrieva... |
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
Query reformulation modifies the original query with the aim of better matching the vocabulary of the relevant documents, and consequently improving ranking effectiveness. Previou...
WIKIS
2005
ACM
14 years 2 months ago
2005
ACM
In this article we examine the integration of communities of practice supported by a wiki into work processes. Linear structures are often inappropriate for the execution of knowl...
CIKM
2006
Springer
14 years 14 days ago
2006
Springer
The detection of new information in a document stream is an important component of many potential applications. In this work, a new novelty detection approach based on the identif...
CIKM
2010
Springer
13 years 7 months ago
2010
Springer
A taxonomy organizes concepts or topics in a hierarchical structure and can be created manually or via automated systems. A major drawback of taxonomies is that they require users...
TKDE
2010
13 years 7 months ago
2010
—Probabilistic topic models were originally developed and utilised for document modeling and topic extraction in Information Retrieval. In this paper we describe a new approach f...