8301 search results - page 1400 / 1661 » Risk-Aware Information Retrieval |
271
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
Existing keyword-search systems in relational databases require users to submit a complete query to compute answers. Often users feel "left in the dark" when they have l...
288
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
Ranking queries are essential tools to process large amounts of probabilistic data that encode exponentially many possible deterministic instances. In many applications where unce...
285
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
186
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PODS
2008
ACM
16 years 6 months ago
2008
ACM
There is an increasing quantity of data with uncertainty arising from applications such as sensor network measurements, record linkage, and as output of mining algorithms. This un...
215
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WSDM
2010
ACM
16 years 4 months ago
2010
ACM
In this paper, we study search bot traffic from search engine query logs at a large scale. Although bots that generate search traffic aggressively can be easily detected, a large ...