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CIKM
2011
Springer
13 years 9 months ago
2011
Springer
The field of information retrieval has witnessed over 50 years of research on retrieval methods for metadata descriptions and controlled indexing languages, the prototypical exam...
CRYPTO
2011
Springer
13 years 9 months ago
2011
Springer
Abstract. A time-lock puzzle is a mechanism for sending messages “to the future”. The sender publishes a puzzle whose solution is the message to be sent, thus hiding it until e...
CRYPTO
2011
Springer
13 years 9 months ago
2011
Springer
We present a somewhat homomorphic encryption scheme that is both very simple to describe and analyze, and whose security (quantumly) reduces to the worst-case hardness of problems ...
CSFW
2011
IEEE
13 years 9 months ago
2011
IEEE
—Randomization is used in computer security as a tool to introduce unpredictability into the software infrastructure. In this paper, we study the use of randomization to achieve ...
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DC
2011
13 years 9 months ago
2011
Abstract This paper gives poly-logarithmic-round, distributed δ-approximation algorithms for covering problems with submodular cost and monotone covering constraints (Submodular-c...