3499 search results - page 215 / 700 » On the local optimality of LambdaRank |
105
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HPCC
2005
Springer
15 years 7 months ago
2005
Springer
Abstract. We consider query execution strategies for object-oriented distributed databases. There are several scenarios of query decomposition, assuming that the corresponding quer...
134
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ALGOSENSORS
2004
Springer
15 years 7 months ago
2004
Springer
We focus on data gathering problems in energy-constrained wireless sensor networks. We study store-and-gather problems where data are locally stored on the sensors before the data ...
85
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ISSS
2002
IEEE
15 years 6 months ago
2002
IEEE
Message-passing mechanism is commonly used to preserve data coherency in distributed systems. This paper presents an algorithm for insertion of minimal message-passing in system-l...
155
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ICIP
1999
IEEE
15 years 6 months ago
1999
IEEE
Optical diffusion tomography attempts to reconstruct an object cross section from measurements of scattered and attenuated light. While Bayesian approaches are well suited to this...
IPPS
1999
IEEE
15 years 6 months ago
1999
IEEE
In this paper we propose a simple extension to the I/O architecture of scalable multiprocessors that optimizes page swap-outs significantly. More specifically, we propose the use o...