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» Query Expansion and Query Reduction in Document Retrieval
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EDBT
2006
ACM
159views Database» more  EDBT 2006»
14 years 10 months ago
Fast Nearest Neighbor Search on Road Networks
Nearest neighbor (NN) queries have been extended from Euclidean spaces to road networks. Existing approaches are either based on Dijkstra-like network expansion or NN/distance prec...
Haibo Hu, Dik Lun Lee, Jianliang Xu
ECIR
2008
Springer
14 years 2 days ago
Probabilistic Document Length Priors for Language Models
This paper addresses the issue of devising a new document prior for the language modeling (LM) approach for Information Retrieval. The prior is based on term statistics, derived in...
Roi Blanco, Alvaro Barreiro
CLEF
2008
Springer
14 years 13 days ago
Back to Basics - Again - for Domain-Specific Retrieval
In this paper we will describe Berkeley's approach to the Domain Specific (DS) track for CLEF 2008. Last year we used Entry Vocabulary Indexes and Thesaurus expansion approac...
Ray R. Larson
SIGIR
2009
ACM
14 years 5 months ago
Segment-level display time as implicit feedback: a comparison to eye tracking
We examine two basic sources for implicit relevance feedback on the segment level for search personalization: eye tracking and display time. A controlled study has been conducted ...
Georg Buscher, Ludger van Elst, Andreas Dengel
JCDL
2004
ACM
114views Education» more  JCDL 2004»
14 years 4 months ago
Translating unknown cross-lingual queries in digital libraries using a web-based approach
Users’ cross-lingual queries to a digital library system might be short and not included in a common translation dictionary (unknown terms). In this paper, we investigate the fe...
Jenq-Haur Wang, Jei-Wen Teng, Pu-Jen Cheng, Wen-Hs...