1232 search results - page 153 / 247 » Query Formulation in Web Information Search |
192
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SIGIR
2012
ACM
13 years 6 months ago
2012
ACM
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...
166
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PAMI
2008
15 years 3 months ago
2008
Although it has been studied for years by the computer vision and machine learning communities, image annotation is still far from practical. In this paper, we propose a novel atte...
148
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ACL
2009
15 years 1 months ago
2009
Query segmentation is essential to query processing. It aims to tokenize query words into several semantic segments and help the search engine to improve the precision of retrieva...
150
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SIGMOD
2010
ACM
14 years 10 months ago
2010
ACM
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...
165
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ESWS
2008
Springer
15 years 5 months ago
2008
Springer
Integrated access to multiple distributed and autonomous RDF data sources is a key challenge for many semantic web applications. As a reaction to this challenge, SPARQL, the W3C Re...