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» Query Expansion and Query Reduction in Document Retrieval
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JCDL
2009
ACM
103views Education» more  JCDL 2009»
15 years 2 months ago
Query parameters for harvesting digital video and associated contextual information
Video is increasingly important to digital libraries and archives as both primary content and as context for the primary objects in collections. Services like YouTube not only off...
Gary Marchionini, Chirag Shah, Christopher A. Lee,...
ICASSP
2011
IEEE
14 years 1 months ago
Integrating frame-based and segment-based dynamic time warping for unsupervised spoken term detection with spoken queries
Rapidly increasing quantities of multimedia and spoken content today demand fast and accurate retrieval approaches for convenient browsing. The spoken documents with wide variety ...
Chun-an Chan, Lin-Shan Lee
ECIR
2007
Springer
14 years 11 months ago
Incorporating Diversity and Density in Active Learning for Relevance Feedback
Abstract. Relevance feedback, which uses the terms in relevant documents to enrich the user’s initial query, is an effective method for improving retrieval performance. An assoc...
Zuobing Xu, Ram Akella, Yi Zhang 0001
CCGRID
2003
IEEE
15 years 3 months ago
Peer-to-Peer Keyword Search Using Keyword Relationship
Decentralized and unstructured peer-to-peer (P2P) networks such as Gnutella are attractive for Internet-scale information retrieval and search systems because they require neither...
Kiyohide Nakauchi, Yuichi Ishikawa, Hiroyuki Morik...
GIS
2007
ACM
15 years 11 months ago
TS2-tree - an efficient similarity based organization for trajectory data
The increasingly popular GPS technology and the growing amount of trajectory data it generates create the need for developing applications that efficiently store and query traject...
Petko Bakalov, Eamonn J. Keogh, Vassilis J. Tsotra...