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» A Study on Position Information in Document Summarization
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SIGIR
2010
ACM
15 years 1 months ago
Positional relevance model for pseudo-relevance feedback
Pseudo-relevance feedback is an effective technique for improving retrieval results. Traditional feedback algorithms use a whole feedback document as a unit to extract words for ...
Yuanhua Lv, ChengXiang Zhai
SIGIR
2008
ACM
14 years 9 months ago
Multi-document summarization via sentence-level semantic analysis and symmetric matrix factorization
Multi-document summarization aims to create a compressed summary while retaining the main characteristics of the original set of documents. Many approaches use statistics and mach...
Dingding Wang, Tao Li, Shenghuo Zhu, Chris H. Q. D...
SIGIR
2009
ACM
15 years 4 months ago
Compressing term positions in web indexes
Large search engines process thousands of queries per second on billions of pages, making query processing a major factor in their operating costs. This has led to a lot of resear...
Hao Yan, Shuai Ding, Torsten Suel
TREC
2007
14 years 10 months ago
UIC at TREC 2007 Blog Track
In TREC 2007 Blog Track, we developed a three-step algorithm for the opinion retrieval task. An information retrieval step retrieves the query-relevant documents. A following opin...
Wei Zhang, Clement T. Yu
ISMIR
2003
Springer
154views Music» more  ISMIR 2003»
15 years 2 months ago
Position Indexing of Adjacent and Concurrent N-Grams for Polyphonic Music Retrieval
In this paper we examine the retrieval performance of adjacent and concurrent n-grams generated from polyphonic music data. We deploy a method to index polyphonic music using a wo...
Shyamala Doraisamy, Stefan M. Rüger