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» Evaluation of Query Performance Prediction Methods by Range
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SIGIR
2006
ACM
15 years 10 months ago
Improving the estimation of relevance models using large external corpora
Information retrieval algorithms leverage various collection statistics to improve performance. Because these statistics are often computed on a relatively small evaluation corpus...
Fernando Diaz, Donald Metzler
TCSV
2008
140views more  TCSV 2008»
15 years 4 months ago
Face-Based Digital Signatures for Video Retrieval
The characterization of a video segment by a digital signature is a fundamental task in video processing. It is necessary for video indexing and retrieval, copyright protection and...
Costas I. Cotsaces, Nikos Nikolaidis, Ioannis Pita...
TCSV
2008
150views more  TCSV 2008»
15 years 4 months ago
Robust Video Fingerprinting for Content-Based Video Identification
Video fingerprints are feature vectors that uniquely characterize one video clip from another. The goal of video fingerprinting is to identify a given video query in a database (DB...
Sunil Lee, Chang Dong Yoo
ASWC
2006
Springer
15 years 6 months ago
A Semantic Search Conceptual Model and Application in Security Access Control
Abstract. We propose a conceptual model for semantic search and implement it in security access control. The model provides security access control to extend the search capabilitie...
Kunmei Wen, Zhengding Lu, Ruixuan Li, Xiaolin Sun,...
CIKM
2009
Springer
15 years 5 months ago
Retrieval experiments using pseudo-desktop collections
Desktop search is an important part of personal information management (PIM). However, research in this area has been limited by the lack of shareable test collections, making cum...
Jinyoung Kim, W. Bruce Croft