773 search results - page 81 / 155 » On Cryptographic Assumptions and Challenges |
192
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TCC
2010
Springer
16 years 2 months ago
2010
Springer
We construct a fully secure HIBE scheme with short ciphertexts. The previous construction of Boneh, Boyen, and Goh was only proven to be secure in the selective model, under a non...
135
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ACCV
2009
Springer
16 years 20 days ago
2009
Springer
Abstract. Analyzing the crowd dynamics from video sequences is an open challenge in computer vision. Under a high crowd density assumption, we characterize the dynamics of the crow...
160
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ROMAN
2007
IEEE
16 years 9 days ago
2007
IEEE
—Teaching a robot new skills may require that the teacher scaffolds the teaching experience appropriately. However, due to inherent assumptions made by a human teacher the scaffo...
193
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GEOS
2007
Springer
16 years 6 days ago
2007
Springer
Abstract. Representing human spatial knowledge has long been a challenging research area. The objective of this paper is to model a route description of human navigation where verb...
156
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TCC
2005
Springer
15 years 11 months ago
2005
Springer
Abstract. We introduce Fair Zero-Knowledge, a multi-verifier ZK system where every proof is guaranteed to be “zero-knowledge for all verifiers.” That is, if an honest verifi...