235 search results - page 5 / 47 » Evaluating Query Result Significance in Databases via Random... |
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DIAGRAMS
2006
Springer
15 years 1 months ago
2006
Springer
This paper describes the evaluation of ERST, an adaptive system which is designed to improve its users' external representation (ER) selection accuracy on a range of database ...
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SIGMOD
2006
ACM
15 years 9 months ago
2006
ACM
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
WWW
2011
ACM
14 years 4 months ago
2011
ACM
The ability to aggregate huge volumes of queries over a large population of users allows search engines to build precise models for a variety of query-assistance features such as ...
PODS
2010
ACM
14 years 11 months ago
2010
ACM
We study highly expressive query languages such as datalog, fixpoint, and while-languages on probabilistic databases. We generalize these languages such that computation steps (e....
SIGIR
2010
ACM
15 years 1 months ago
2010
ACM
The context of the user queries, preceding a given query, is utilized to improve the effectiveness of query classification. Earlier efforts utilize fixed number of preceding queri...