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» A kernel-based approach to document retrieval
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SIGIR
1999
ACM
14 years 3 months ago
Information Retrieval Based on Context Distance and Morphology
We present an approach to information retrieval based on context distance and morphology. Context distance is a measure we use to assess the closeness of word meanings. This conte...
Hongyan Jing, Evelyne Tzoukermann
SIGIR
2003
ACM
14 years 4 months ago
An information-theoretic measure for document similarity
Recent work has demonstrated that the assessment of pairwise object similarity can be approached in an axiomatic manner using information theory. We extend this concept specifica...
Javed A. Aslam, Meredith Frost
CIKM
2010
Springer
13 years 9 months ago
Learning to rank relevant and novel documents through user feedback
We consider the problem of learning to rank relevant and novel documents so as to directly maximize a performance metric called Expected Global Utility (EGU), which has several de...
Abhimanyu Lad, Yiming Yang
TREC
2004
14 years 9 days ago
UIUC in HARD 2004--Passage Retrieval Using HMMs
UIUC participated in the HARD track in TREC 2004 and focused on the evaluation of a new method for identifying variable-length passages using HMMs. Most existing approaches to pas...
Jing Jiang, ChengXiang Zhai
CIKM
2011
Springer
12 years 11 months ago
Factorization-based lossless compression of inverted indices
Many large-scale Web applications that require ranked top-k retrieval are implemented using inverted indices. An inverted index represents a sparse term-document matrix, where non...
George Beskales, Marcus Fontoura, Maxim Gurevich, ...