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» Probabilistic query expansion using query logs
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ICMCS
2006
IEEE
124views Multimedia» more  ICMCS 2006»
16 years 7 days 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
15 years 11 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
15 years 10 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
15 years 11 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»
15 years 10 months 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