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PODS
2007
ACM
171views Database» more  PODS 2007»
14 years 7 months ago
Monadic datalog over finite structures with bounded treewidth
Bounded treewidth and Monadic Second Order (MSO) logic have proved to be key concepts in establishing fixed-parameter tractability results. Indeed, by Courcelle's Theorem we ...
Georg Gottlob, Reinhard Pichler, Fang Wei
COCO
2009
Springer
131views Algorithms» more  COCO 2009»
14 years 2 months ago
A Multi-Round Communication Lower Bound for Gap Hamming and Some Consequences
—The Gap-Hamming-Distance problem arose in the context of proving space lower bounds for a number of key problems in the data stream model. In this problem, Alice and Bob have to...
Joshua Brody, Amit Chakrabarti
ICFEM
2009
Springer
14 years 2 months ago
Role-Based Symmetry Reduction of Fault-Tolerant Distributed Protocols with Language Support
Fault-tolerant (FT) distributed protocols (such as group membership, consensus, etc.) represent fundamental building blocks for many practical systems, e.g., the Google File System...
Péter Bokor, Marco Serafini, Neeraj Suri, H...
CRYPTO
2004
Springer
120views Cryptology» more  CRYPTO 2004»
14 years 28 days ago
Round-Optimal Secure Two-Party Computation
Abstract. We consider the central cryptographic task of secure twoparty computation, where two parties wish to compute some function of their private inputs (each receiving possibl...
Jonathan Katz, Rafail Ostrovsky
ICALP
2004
Springer
14 years 27 days ago
On the Expressive Power of Monadic Least Fixed Point Logic
Monadic least fixed point logic MLFP is a natural logic whose expressiveness lies between that of first-order logic FO and monadic second-order logic MSO. In this paper we take ...
Nicole Schweikardt