3686 search results - page 183 / 738 » Context Query in Information Retrieval |
338
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SIGIR
2012
ACM
13 years 8 months ago
2012
ACM
People are seldom aware that their search queries frequently mismatch a majority of the relevant documents. This may not be a big problem for topics with a large and diverse set o...
169
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SIGIR
2009
ACM
16 years 29 days 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...
178
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CIKM
2005
Springer
15 years 12 months ago
2005
Springer
This paper presents a new approach to determine the senses of words in queries by using WordNet. In our approach, noun phrases in a query are determined first. For each word in th...
161
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CLEF
2006
Springer
15 years 10 months ago
2006
Springer
This paper reports the participation of the XLDB Group from the University of Lisbon in the CLEF 2006 ad-hoc monolingual and bilingual subtasks for Portuguese. We present our IR s...
168
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MM
2009
ACM
16 years 29 days ago
2009
ACM
An efficient indexing method is essential for content-based image retrieval with the exponential growth in large-scale videos and photos. Recently, hash-based methods (e.g., local...