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» Comonadic Notions of Computation
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PODC
2006
ACM
16 years 18 days ago
Sketching asynchronous streams over a sliding window
We study the problem of maintaining sketches of recent elements of a data stream. Motivated by applications involving network data, we consider streams that are asynchronous, in w...
Srikanta Tirthapura, Bojian Xu, Costas Busch
SAC
2004
ACM
16 years 2 days ago
Dynamic on-demand updating of data in real-time database systems
The amount of data handled by real-time and embedded applications is increasing. Also, applications normally have constraints with respect to freshness and timeliness of the data ...
Thomas Gustafsson, Jörgen Hansson
FM
2006
Springer
153views Formal Methods» more  FM 2006»
15 years 10 months ago
Formal Methods and Cryptography
Security-critical systems are an important application area for formal methods. However, such systems often contain cryptographic subsystems. The natural definitions of these subsy...
Michael Backes, Birgit Pfitzmann, Michael Waidner
CCS
2008
ACM
15 years 8 months ago
Black-box accountable authority identity-based encryption
A well-known concern in the setting of identity based encryption is that the PKG is all powerful and has to be completely trusted. To mitigate this problem, the notion of Accounta...
Vipul Goyal, Steve Lu, Amit Sahai, Brent Waters
CRYPTO
2010
Springer
162views Cryptology» more  CRYPTO 2010»
15 years 6 months ago
On Strong Simulation and Composable Point Obfuscation
The Virtual Black Box (VBB) property for program obfuscators provides a strong guarantee: Anything computable by an efficient adversary given the obfuscated program can also be co...
Nir Bitansky, Ran Canetti