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» Probabilistic query expansion using query logs
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ICMCS
2006
IEEE
124views Multimedia» more  ICMCS 2006»
14 years 3 months ago
Exploring Automatic Query Refinement for Text-Based Video Retrieval
Text-based search using video speech transcripts is a popular approach for granular video retrieval at the shot or story level. However, misalignment of speech and visual tracks, ...
Timo Volkmer, Apostol Natsev
STACS
2005
Springer
14 years 2 months ago
Approximate Range Mode and Range Median Queries
Abstract. We consider data structures and algorithms for preprocessing a labelled list of length n so that, for any given indices i and j we can answer queries of the form: What is...
Prosenjit Bose, Evangelos Kranakis, Pat Morin, Yih...
CHI
1997
ACM
14 years 1 months ago
Queries? Links? Is there a Difference?
Hypertext interfaces are considered appropriate for information exploration tasks. The prohibitively expensive link creation effort, however, prevents traditional hypertext interf...
Gene Golovchinsky
CIKM
2003
Springer
14 years 2 months ago
Using titles and category names from editor-driven taxonomies for automatic evaluation
Evaluation of IR systems has always been difficult because of the need for manually assessed relevance judgments. The advent of large editor-driven taxonomies on the web opens the...
Steven M. Beitzel, Eric C. Jensen, Abdur Chowdhury...
FAW
2009
Springer
118views Algorithms» more  FAW 2009»
14 years 29 days ago
Space-Query-Time Tradeoff for Computing the Visibility Polygon
Abstract. Computing the visibility polygon, VP, of a point in a polygonal scene, is a classical problem that has been studied extensively. In this paper, we consider the problem of...
Mostafa Nouri, Mohammad Ghodsi