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ICTCS
2007
Springer
15 years 3 months ago
Analyzing Non-Interference with respect to Classes
The information flow property of Non-Interference was recently relaxed into Abstract NonInterference (ANI), a weakened version where attackers can only observe properties of data,...
Damiano Zanardini
ICALP
2005
Springer
15 years 3 months ago
Tight Lower Bounds for Query Processing on Streaming and External Memory Data
We study a clean machine model for external memory and stream processing. We show that the number of scans of the external data induces a strict hierarchy (as long as work space is...
Martin Grohe, Christoph Koch, Nicole Schweikardt
66
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MFCS
2005
Springer
15 years 3 months ago
Autoreducibility, Mitoticity, and Immunity
We show the following results regarding complete sets. • NP-complete sets and PSPACE-complete sets are many-one autoreducible. • Complete sets of any level of PH, MODPH, or th...
Christian Glaßer, Mitsunori Ogihara, Aduri P...
ICALP
2004
Springer
15 years 2 months ago
Games with Winning Conditions of High Borel Complexity
We first consider infinite two-player games on pushdown graphs. In previous work, Cachat, Duparc and Thomas [4] have presented a winning decidable condition that is Σ3-complete ...
Olivier Serre
ICALP
2003
Springer
15 years 2 months ago
Optimal Cache-Oblivious Implicit Dictionaries
We consider the issues of implicitness and cache-obliviousness in the classical dictionary problem for n distinct keys over an unbounded and ordered universe. One finding in this ...
Gianni Franceschini, Roberto Grossi