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» Efficient Processing of Top-k Queries in Uncertain Databases
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ICDE
1999
IEEE
151views Database» more  ICDE 1999»
14 years 10 months ago
Data Integration by Describing Sources with Constraint Databases
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
Xun Cheng, Guozhu Dong, Tzekwan Lau, Jianwen Su
SSDBM
1998
IEEE
101views Database» more  SSDBM 1998»
14 years 1 months ago
Specifications for Efficient Indexing in Spatiotemporal Databases
: A new issue that arises in modern applications involves the efficient manipulation of (static or moving) spatial objects, and the relationships among them. As a result, modern da...
Yannis Theodoridis, Timos K. Sellis, Apostolos Pap...
ICDE
2004
IEEE
259views Database» more  ICDE 2004»
14 years 10 months ago
Querying about the Past, the Present, and the Future in Spatio-Temporal
Moving objects (e.g., vehicles in road networks) continuously generate large amounts of spatio-temporal information in the form of data streams. Efficient management of such strea...
Jimeng Sun, Dimitris Papadias, Yufei Tao, Bin Liu
EDBT
2002
ACM
136views Database» more  EDBT 2002»
14 years 9 months ago
The Geometry of Uncertainty in Moving Objects Databases
Abstract. This work addresses the problem of querying moving objects databases. which capture the inherent uncertainty associated with the location of moving point objects. We addr...
Goce Trajcevski, Ouri Wolfson, Fengli Zhang, Sam C...
ICDE
2010
IEEE
204views Database» more  ICDE 2010»
14 years 3 months ago
ProbClean: A probabilistic duplicate detection system
— One of the most prominent data quality problems is the existence of duplicate records. Current data cleaning systems usually produce one clean instance (repair) of the input da...
George Beskales, Mohamed A. Soliman, Ihab F. Ilyas...