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» Managing the operator ordering problem in parallel databases
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TNN
2010
182views Management» more  TNN 2010»
13 years 2 months ago
A discrete-time neural network for optimization problems with hybrid constraints
Abstract--Recurrent neural networks have become a prominent tool for optimizations including linear or nonlinear variational inequalities and programming, due to its regular mathem...
Huajin Tang, Haizhou Li, Zhang Yi
SIGMOD
2008
ACM
182views Database» more  SIGMOD 2008»
14 years 7 months ago
Angle-based space partitioning for efficient parallel skyline computation
Recently, skyline queries have attracted much attention in the database research community. Space partitioning techniques, such as recursive division of the data space, have been ...
Akrivi Vlachou, Christos Doulkeridis, Yannis Kotid...
CODAS
1996
157views more  CODAS 1996»
13 years 9 months ago
Flexible Workflow Framework for Supporting Collaborative Works
Database technologies are indispensable for workflow management system, one of the remarkable groupware supporting asynchronous distributed cooperative work. In this paper, a form...
Takeo Kunishima, Kazumasa Yokota
GIS
2006
ACM
14 years 8 months ago
Distance join queries on spatial networks
The result of a distance join operation on two sets of objects R, S on a spatial network G is a set P of object pairs <p, q>, p R, q S such that the distance of an object ...
Jagan Sankaranarayanan, Houman Alborzi, Hanan Same...
PVLDB
2010
118views more  PVLDB 2010»
13 years 6 months ago
Ten Thousand SQLs: Parallel Keyword Queries Computing
Keyword search in relational databases has been extensively studied. Given a relational database, a keyword query finds a set of interconnected tuple structures connected by fore...
Lu Qin, Jefferey Yu, Lijun Chang