1021 search results - page 153 / 205 » The Effectiveness of Concept Based Search for Video Retrieva... |
WSDM
2010
ACM
14 years 6 months ago
2010
ACM
Query reformulation techniques based on query logs have been studied as a method of capturing user intent and improving retrieval effectiveness. The evaluation of these techniques...
ICDCS
2000
IEEE
14 years 1 months ago
2000
IEEE
For transmission of continuous media (CM) streams such as audio and video over the Internet, a critical issue is that periodic network overloads cause bursty packet losses. Studie...
ECCV
2004
Springer
14 years 10 months ago
2004
Springer
This paper introduces a new concept of surveillance, namely, audio-visual data integration for background modelling. Actually, visual data acquired by a fixed camera can be easily ...
WISE
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. Regarding web searches, users have become used to keywordbased search interfaces due to their ease of use. However, this implies a semantic gap between the user's in...
IPM
2007
13 years 8 months ago
2007
An information retrieval performance measure that is interpreted as the percent of perfect performance (PPP) can be used to study the effects of the inclusion of specific documen...