1088 search results - page 132 / 218 » Probabilistic query expansion using query logs |
VLDB
2007
ACM
14 years 3 months ago
2007
ACM
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Computing statistical information on probabilistic data has attracted a lot of attention recently, as the data generated from a wide range of data sources are inherently fuzzy or ...
WWW
2002
ACM
14 years 9 months ago
2002
ACM
Web-based search engines such as Google and NorthernLight return documents that are relevant to a user query, not answers to user questions. We have developed an architecture that...
STOC
2009
ACM
14 years 9 months ago
2009
ACM
A function on n variables is called a k-junta if it depends on at most k of its variables. In this article, we show that it is possible to test whether a function is a k-junta or ...
IPM
2007
13 years 9 months ago
2007
In the KL divergence framework, the extended language modeling approach has a critical problem estimating a query model, which is the probabilistic model that encodes user’s inf...