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» Document Expansion for Speech Retrieval
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OTM
2005
Springer
15 years 5 months ago
Ontology-Based Spatial Query Expansion in Information Retrieval
Ontologies play a key role in Semantic Web research. A common use of ontologies in Semantic Web is to enrich the current Web resources with some well-defined meaning to enhance th...
Gaihua Fu, Christopher B. Jones, Alia I. Abdelmoty
AWIC
2005
Springer
15 years 5 months ago
Conceptual Query Expansion
Query expansion has been extensively studied as a technique for increasing information retrieval performance. However, due to the volume of documents available on the web, many of ...
Orland Hoeber, Xue Dong Yang, Yiyu Yao
CLEF
2007
Springer
15 years 6 months ago
A Dirichlet-Smoothed Bigram Model for Retrieving Spontaneous Speech
We present two simple but effective smoothing techniqes for the standard language model (LM) approach to information retrieval [12]. First, we extend the unigram Dirichlet smoothi...
Matthew Lease, Eugene Charniak
CI
2007
124views more  CI 2007»
14 years 11 months ago
Searching for Explanatory Web Pages Using Automatic Query Expansion
: When one tries to use the Web as a dictionary or encyclopedia, entering some single term into a search engine, the highly-ranked pages in the result can include irrelevant or use...
Manabu Tauchi, Nigel Ward
SIGIR
2006
ACM
15 years 5 months ago
Mining dependency relations for query expansion in passage retrieval
Classical query expansion techniques such as the local context analysis (LCA) make use of term co-occurrence statistics to incorporate additional contextual terms for enhancing pa...
Renxu Sun, Chai-Huat Ong, Tat-Seng Chua