2514 search results - page 86 / 503 » On the Computation of Approximations of Database Queries |
141
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ICDT
2005
ACM
15 years 12 months ago
2005
ACM
d abstract) Foto Afrati1 and Rada Chirkova2 1 Electrical and Computing Eng., National Technical University of Athens, 157 73 Athens, Greece 2 Computer Science Department, North Car...
150
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ICDT
2007
ACM
16 years 16 days ago
2007
ACM
Moving objects produce trajectories. We describe a data model for trajectories and trajectory samples and an efficient way of modeling uncertainty via beads for trajectory samples....
167
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VLDB
2005
ACM
15 years 12 months ago
2005
ACM
We present DITN, a new method of parallel querying based on dynamic outsourcing of join processing tasks to non-dedicated, heterogeneous computers. In DITN, partitioning is not th...
187
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Scientific data in the life sciences is distributed over various independent multi-format databases and is constantly expanding. We discuss a scenario where a life science research...
259
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
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 ...