3251 search results - page 308 / 651 » Challenges in Web Information Retrieval |
184
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AIRWEB
2007
Springer
16 years 28 days ago
2007
Springer
Web spam can significantly deteriorate the quality of search engines. Early web spamming techniques mainly manipulate page content. Since linkage information is widely used in we...
185
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SIGIR
2009
ACM
16 years 1 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...
188
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CIKM
2005
Springer
16 years 8 days 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...
163
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
In the last ten years, internet as well as its applications changed significantly, mainly thanks to the raising of available personal resources. Concerning multimedia, the most i...
244
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PAKDD
2009
ACM
16 years 1 months ago
2009
ACM
It is a challenging and important task to retrieve images from a large and highly varied image data set based on their visual contents. Problems like how to fill the semantic gap b...