1091 search results - page 131 / 219 » Improving People Search Using Query Expansions |
179
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SIGIR
2012
ACM
13 years 5 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 ...
109
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ICALP
2007
Springer
15 years 9 months ago
2007
Springer
We consider several private database query problems. The starting point of this work is the element rank problem: the server holds a database of n integers, and the user an integer...
124
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EDBT
2008
ACM
16 years 3 months ago
2008
ACM
Enterprises may have multiple database systems spread across the organization for redundancy or for serving different applications. In such systems, query workloads can be distrib...
138
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SIGIR
2009
ACM
15 years 9 months ago
2009
ACM
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...
122
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ICMCS
2008
IEEE
15 years 9 months ago
2008
IEEE
Conventional approaches to video annotation predominantly focus on supervised identification of a limited set of concepts, while unsupervised annotation with infinite vocabulary...