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» On Cryptographic Assumptions and Challenges
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TCC
2010
Springer
381views Cryptology» more  TCC 2010»
16 years 3 months ago
New Techniques for Dual System Encryption and Fully Secure HIBE with Short Ciphertexts
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...
Allison B. Lewko, Brent Waters
ACCV
2009
Springer
16 years 1 months ago
Crowd Flow Characterization with Optimal Control Theory
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...
Pierre Allain, Nicolas Courty, Thomas Corpetti
ROMAN
2007
IEEE
115views Robotics» more  ROMAN 2007»
16 years 1 months ago
Issues in Human/Robot Task Structuring and Teaching
—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...
Joe Saunders, Nuno Otero, Chrystopher L. Nehaniv
GEOS
2007
Springer
16 years 28 days ago
A Location and Action-Based Model for Route Descriptions
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...
David Brosset, Christophe Claramunt, Eric Saux
173
Voted
TCC
2005
Springer
103views Cryptology» more  TCC 2005»
16 years 7 days ago
Fair-Zero Knowledge
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...
Matt Lepinski, Silvio Micali, Abhi Shelat