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» Information retrieval using hierarchical dirichlet processes
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WWW
2005
ACM
16 years 7 months ago
Ranking definitions with supervised learning methods
This paper is concerned with the problem of definition search. Specifically, given a term, we are to retrieve definitional excerpts of the term and rank the extracted excerpts acc...
Jun Xu, Yunbo Cao, Hang Li, Min Zhao
SPIRE
2010
Springer
15 years 4 months ago
Dual-Sorted Inverted Lists
Several IR tasks rely, to achieve high efficiency, on a single pervasive data structure called the inverted index. This is a mapping from the terms in a text collection to the docu...
Gonzalo Navarro, Simon J. Puglisi
CCGRID
2003
IEEE
15 years 11 months ago
Peer-to-Peer Keyword Search Using Keyword Relationship
Decentralized and unstructured peer-to-peer (P2P) networks such as Gnutella are attractive for Internet-scale information retrieval and search systems because they require neither...
Kiyohide Nakauchi, Yuichi Ishikawa, Hiroyuki Morik...
MM
2003
ACM
124views Multimedia» more  MM 2003»
15 years 11 months ago
Using structure patterns of temporal and spectral feature in audio similarity measure
Although statistical characteristics of audio features are widely used for similarity measure in most of current audio analysis systems and have been proved to be effective, they ...
Rui Cai, Lie Lu, HongJiang Zhang
AI
2000
Springer
15 years 11 months ago
Using Noun Phrase Heads to Extract Document Keyphrases
Automatically extracting keyphrases from documents is a task with many applications in information retrieval and natural language processing. Document retrieval can be biased towar...
Ken Barker, Nadia Cornacchia