3341 search results - page 347 / 669 » On Bounded Queries and Approximation |
230
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SIGIR
2012
ACM
13 years 9 months ago
2012
ACM
We propose a mathematical framework for query selection as a mechanism for reducing the cost of constructing information retrieval test collections. In particular, our mathematica...
182
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CHI
2009
ACM
16 years 7 months ago
2009
ACM
This paper reports results from a study in which we automatically classified the query reformulation patterns for 964,780 Web searching sessions (composed of 1,523,072 queries) in...
176
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CN
2000
15 years 6 months ago
2000
General-purpose search engines such as AltaVista and Lycos are notorious for returning irrelevant results in response to user queries. Consequently, thousands of specialized, topi...
187
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MOBIHOC
2003
ACM
16 years 6 months ago
2003
ACM
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...
192
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RSFDGRC
2005
Springer
16 years 7 days ago
2005
Springer
The paper concerns failing queries in incomplete Distributed Autonomous Information Systems (DAIS) based on attributes which are hierarchical and which semantics at different site...