421 search results - page 84 / 85 » A Reflective Symmetry Descriptor |
SAICSIT
2010
ACM
13 years 5 months ago
2010
ACM
Eliciting and analyzing requirements within knowledge systems, which fundamentally differ so far from technology supported systems represent particular challenges. African rural c...
CIKM
2009
Springer
13 years 5 months ago
2009
Springer
Standard approaches to evaluating and comparing information retrieval systems compute simple averages of performance statistics across individual topics to measure the overall sys...
CLEF
2009
Springer
13 years 5 months ago
2009
Springer
Narrative peaks are points at which the viewer perceives a spike in the level of dramatic tension within the narrative flow of a video. This paper reports on four approaches to na...
SIGIR
2012
ACM
11 years 10 months ago
2012
ACM
Combating Web spam is one of the greatest challenges for Web search engines. State-of-the-art anti-spam techniques focus mainly on detecting varieties of spam strategies, such as ...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Given a large online network of online auction users and their histories of transactions, how can we spot anomalies and auction fraud? This paper describes the design and implemen...