CORR
2011
Springer
13 years 10 months ago
2011
Springer
Abstract— In this paper, we propose a novel, effective and efficient probabilistic pruning criterion for probabilistic similarity queries on uncertain data. Our approach support...
TKDE
2010
14 years 2 months ago
2010
—Recently, many new applications, such as sensor data monitoring and mobile device tracking, raise up the issue of uncertain data management. Compared to “certain” data, the ...
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
— Emerging uncertain database applications often involve the cleansing (conditioning) of uncertain databases using additional information as new evidence for reducing the uncerta...
ICDT
2009
ACM
14 years 10 months ago
2009
ACM
A formal semantics of uncertain databases typically takes an algebraic approach by mapping an uncertain database to a set of relational databases, or possible worlds. We present a...
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I started my PhD studies in March 2008 under the joint supervision of Prof. Xuemin Lin and Dr. Wei Wang. My current research interests include spatial databases, uncertain database...
101
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SIGMOD
2007
ACM
15 years 4 months ago
2007
ACM
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between query scores and data uncertainty ma...
116
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ICDE
2008
IEEE
15 years 5 months ago
2008
IEEE
This work introduces novel polynomial algorithms for processing top-k queries in uncertain databases under the generally adopted model of x-relations. An x-relation consists of a n...