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139
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EDBT
2009
ACM
15 years 11 months ago
2009
ACM
In this work we concentrate on categorization of relational attributes based on their data type. Assuming that attribute type/characteristics are unknown or unidentifiable, we an...
171
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EDBT
2009
ACM
15 years 11 months ago
2009
ACM
Data stream management systems usually have to process many long-running queries that are active at the same time. Multiple queries can be evaluated more efficiently together tha...
154
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EDBT
2009
ACM
15 years 11 months ago
2009
ACM
Database storage managers have long been able to efficiently handle multiple concurrent requests. Until recently, however, a computer contained only a few single-core CPUs, and th...
161
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GIS
2009
ACM
15 years 11 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
152
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HIPEAC
2009
Springer
15 years 11 months ago
2009
Springer
In this article, we present a parallel implementation of a 1024 point Fast Fourier Transform (FFT) operating with a subthreshold supply voltage, which is below the voltage that tur...