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» Analysis of the rubberband algorithm
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PODS
2008
ACM
141views Database» more  PODS 2008»
16 years 7 months ago
On the complexity of deriving schema mappings from database instances
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...
Pierre Senellart, Georg Gottlob
EDBT
2006
ACM
159views Database» more  EDBT 2006»
16 years 7 months ago
Fast Nearest Neighbor Search on Road Networks
Nearest neighbor (NN) queries have been extended from Euclidean spaces to road networks. Existing approaches are either based on Dijkstra-like network expansion or NN/distance prec...
Haibo Hu, Dik Lun Lee, Jianliang Xu
EDBT
2006
ACM
191views Database» more  EDBT 2006»
16 years 7 months ago
Parallelizing Skyline Queries for Scalable Distribution
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. Current skyline computation methods are rest...
Ping Wu, Caijie Zhang, Ying Feng, Ben Y. Zhao, Div...
EDBT
2008
ACM
85views Database» more  EDBT 2008»
16 years 7 months ago
Optimizing on-demand data broadcast scheduling in pervasive environments
Data dissemination in pervasive environments is often accomplished by on-demand broadcasting. The time critical nature of the data requests plays an important role in scheduling t...
Rinku Dewri, Indrakshi Ray, Indrajit Ray, Darrell ...
ICIAP
2003
ACM
16 years 7 months ago
The mantis head camera (why the praying mantis is so good at catching its prey)
Inspired by the abilities of the praying mantis to judge distance to its prey before the strike by use of motionbased visually mediated odometry, we create miniature model for dep...
Igor Katsman, Ehud Rivlin
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