2199 search results - page 59 / 440 » Information retrieval using hierarchical dirichlet processes |
189
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IR
2011
14 years 9 months ago
2011
We review the history of modeling score distributions, focusing on the mixture of normal-exponential by investigating the theoretical as well as the empirical evidence supporting i...
165
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SIGIR
2005
ACM
15 years 11 months ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
152
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CLEF
2006
Springer
15 years 9 months ago
2006
Springer
We describe Amharic-English cross lingual information retrieval experiments in the adhoc bilingual tracs of the CLEF 2006. The query analysis is supported by morphological analysi...
169
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ICIP
2002
IEEE
16 years 7 months ago
2002
IEEE
This paper presents a novel approach to the multiresolution analysis and scalability in video indexing and retrieval. A scalable algorithm for video parsing and key-frame extracti...
143
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ICTIR
2009
Springer
16 years 10 days ago
2009
Springer
Abstract Even the best information retrieval model cannot always identify the most useful answers to a user query. This is in particular the case with web search systems, where it ...