9683 search results - page 575 / 1937 » Predicting query performance |
293
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SIGMOD
2008
ACM
16 years 7 months ago
2008
ACM
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the existence of uncertainty in many...
285
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
Dataspaces are collections of heterogeneous and partially unstructured data. Unlike data-integration systems that also offer uniform access to heterogeneous data sources, dataspac...
261
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SIGMOD
2006
ACM
16 years 7 months ago
2006
ACM
The work performed by a publish/subscribe system can conceptually be divided into subscription processing and notification dissemination. Traditionally, research in the database a...
202
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ICDE
2010
IEEE
16 years 7 months ago
2010
IEEE
A supergraph containment search is to retrieve the data graphs contained by a query graph. In this paper, we study the problem of efficiently retrieving all data graphs approximate...
185
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SIGIR
2006
ACM
16 years 1 months ago
2006
ACM
User modeling for information retrieval has mostly been studied to improve the effectiveness of information access in centralized repositories. In this paper we explore user model...