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» Answering Queries using Humans, Algorithms and Databases
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SIGMOD
2011
ACM
249views Database» more  SIGMOD 2011»
14 years 4 months ago
FlexMin: a flexible tool for automatic bug isolation in DBMS software
Debugging a database engine is an arduous task due to the complexity of the query workloads and systems. The first step in isolating a bug involves identifying a sequence of step...
Kristi Morton, Nicolas Bruno
PVLDB
2010
175views more  PVLDB 2010»
15 years 5 days ago
Dynamic Join Optimization in Multi-Hop Wireless Sensor Networks
To enable smart environments and self-tuning data centers, we are developing the Aspen system for integrating physical sensor data, as well as stream data coming from machine logi...
Svilen R. Mihaylov, Marie Jacob, Zachary G. Ives, ...
MM
2003
ACM
113views Multimedia» more  MM 2003»
15 years 7 months ago
R-Histogram: quantitative representation of spatial relations for similarity-based image retrieval
Representation of relative spatial relations between objects is required in many multimedia database applications. Quantitative representation of spatial relations taking into acc...
Yuhang Wang, Fillia Makedon
SIGMOD
2009
ACM
120views Database» more  SIGMOD 2009»
16 years 2 months ago
Kernel-based skyline cardinality estimation
The skyline of a d-dimensional dataset consists of all points not dominated by others. The incorporation of the skyline operator into practical database systems necessitates an ef...
Zhenjie Zhang, Yin Yang, Ruichu Cai, Dimitris Papa...
ICIP
2002
IEEE
16 years 3 months ago
No-reference perceptual quality assessment of JPEG compressed images
Human observers can easily assess the quality of a distorted image without examining the original image as a reference. By contrast, designing objective No-Reference (NR) quality ...
Hamid R. Sheikh, Zhou Wang, Alan C. Bovik