537 search results - page 20 / 108 » The Impact of Query Structure and Query Expansion on Retriev... |
118
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NLDB
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. In this paper, we target document ranking in a highly technical field with the aim to approximate a ranking that is obtained through an existing ontology (knowledge stru...
135
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SIGIR
2009
ACM
15 years 10 months ago
2009
ACM
Pseudo-relevance feedback (PRF) via query-expansion has been proven to be effective in many information retrieval (IR) tasks. In most existing work, the top-ranked documents from...
137
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SIGIR
2009
ACM
15 years 10 months ago
2009
ACM
We investigate using topic prediction data, as a summary of document content, to compute measures of search result quality. Unlike existing quality measures such as query clarity ...
125
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ECIR
2010
Springer
15 years 5 months ago
2010
Springer
Abstract. Pseudo-Relevance Feedback (PRF) assumes that the topranking n documents of the initial retrieval are relevant and extracts expansion terms from them. In this work, we int...
143
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SIGIR
2006
ACM
15 years 10 months ago
2006
ACM
For many years it has been commonly held that a user who adds structural “hints” to a query will improve precision in an element retrieval search. At INEX 2005 we conducted an...