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195
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SAMT
2009
Springer
15 years 11 months ago
2009
Springer
Abstract. The Semantic Web has recently seen a rise of large knowledge bases (such as DBpedia) that are freely accessible via SPARQL endpoints. The structured representation of the...
153
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FOCS
2008
IEEE
15 years 11 months ago
2008
IEEE
We present a technique for transforming classical approximation algorithms into constant-time algorithms that approximate the size of the optimal solution. Our technique is applic...
107
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ICASSP
2008
IEEE
15 years 11 months ago
2008
IEEE
Recent information hiding schemes are scrutinized in terms of their cryptographic performance. We establish conditions under which the key equivocation function is optimal for the...
119
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CEC
2007
IEEE
15 years 10 months ago
2007
IEEE
Abstract—Hybrid methods are very popular for solving problems from combinatorial optimization. In contrast to this the theoretical understanding of the interplay of different opt...
117
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ESWS
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. In this paper we propose an algorithm for personalized learning based on a user’s query and a repository of lecture subparts —i.e., learning objects— both are descr...