75 search results - page 12 / 15 » A Revisit of Query Expansion with Different Semantic Levels |
SIGIR
2005
ACM
14 years 27 days ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
MIR
2006
ACM
14 years 1 months ago
2006
ACM
The variety of features available to represent multimedia data constitutes a rich pool of information. However, the plethora of data poses a challenge in terms of feature selectio...
ECCV
2010
Springer
13 years 8 months ago
2010
Springer
In this paper we present a framework for semantic scene parsing and object recognition based on dense depth maps. Five viewindependent 3D features that vary with object class are e...
CIVR
2010
Springer
13 years 5 months ago
2010
Springer
In many applications, we find large video collections from different genres where the user is often only interested in one or two specific video genres. So, when users are queryin...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
Search personalization has been pursued in many ways, in order to provide better result rankings and better overall search experience to individual users [5]. However, blindly app...