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» Conceptual Language Models for Context-Aware Text Retrieval
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IPM
2008
102views more  IPM 2008»
13 years 7 months ago
Fast exact maximum likelihood estimation for mixture of language model
Language modeling is an effective and theoretically attractive probabilistic framework for text information retrieval. The basic idea of this approach is to estimate a language mo...
Yi Zhang 0001, Wei Xu
CIKM
2006
Springer
13 years 11 months ago
A document-centric approach to static index pruning in text retrieval systems
We present a static index pruning method, to be used in ad-hoc document retrieval tasks, that follows a documentcentric approach to decide whether a posting for a given term shoul...
Stefan Büttcher, Charles L. A. Clarke
TCSV
2008
113views more  TCSV 2008»
13 years 7 months ago
A Robust Passage Retrieval Algorithm for Video Question Answering
In this paper, we present a robust passage retrieval algorithm to extend the conventional text question answering (Q/A) to videos. Users interact with our videoQ/A system through n...
Yu-Chieh Wu, Jie-Chi Yang
ESWS
2007
Springer
14 years 1 months ago
A Unified Approach to Retrieving Web Documents and Semantic Web Data
The Semantic Web seems to be evolving into a property-linked web of RDF data, conceptually divorced from (but physically housed in) the hyperlinked web of HTML documents. We discus...
Trivikram Immaneni, Krishnaprasad Thirunarayan
ICASSP
2010
IEEE
13 years 7 months ago
Vocabulary and language model adaptation using just one speech file
This paper investigates unsupervised vocabulary and language model self-adaptation (VLA) from just one speech file using the web as a knowledge source and without prior knowledge...
Sha Meng, Kishan Thambiratnam, Yimeng Lin, Lifang ...