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ECCC
2007
14 years 10 months ago
2007
The OR-SAT problem asks, given Boolean formulae φ1, . . . , φm each of size at most n, whether at least one of the φi’s is satisfiable. We show that there is no reduction fr...
75
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ENTCS
2007
14 years 10 months ago
2007
The basic motivation behind this work is to tie together various computational complexity classes, whether over different domains such as the naturals or the reals, or whether de...
89
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GPEM
2007
14 years 10 months ago
2007
Abstract. A fundamental issue in evolutionary biology is the transition from unicellular to multicellular organisms, and the cellular differentiation that accompanies the increase...
87
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GRID
2007
Springer
14 years 10 months ago
2007
Springer
In this paper, we present a role-based access control method for accessing databases through the Open Grid Services Architecture – Data Access and Integration (OGSA-DAI) framewor...
112
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PR
2008
14 years 10 months ago
2008
3D modelling finds a wide range of applications in industry. However, due to the presence of surface scanning noise, accumulative registration errors, and improper data fusion, re...