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» A Formalization of Polytime Functions
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ISAAC
2009
Springer
132views Algorithms» more  ISAAC 2009»
15 years 4 months ago
Hilbert's Thirteenth Problem and Circuit Complexity
We study the following question, communicated to us by Mikl´os Ajtai: Can all explicit (e.g., polynomial time computable) functions f : ({0, 1}w )3 → {0, 1}w be computed by word...
Kristoffer Arnsfelt Hansen, Oded Lachish, Peter Br...
MODELS
2009
Springer
15 years 4 months ago
A Modeling Language for Activity-Oriented Composition of Service-Oriented Software Systems
The proliferation of smart spaces and emergence of new standards, such as Web Services, have paved the way for a new breed of software systems. Often the complete functional and Qo...
Naeem Esfahani, Sam Malek, João Pedro Sousa...
QSIC
2007
IEEE
15 years 4 months ago
An Incremental and FCA-Based Ontology Construction Method for Semantics-Based Component Retrieval
In semantics-based component retrieval ontology is usually employed as the semantic basis for component representation and matching. Existing methods always assume that the ontolo...
Xin Peng, Wenyun Zhao
CCS
2007
ACM
15 years 4 months ago
Ordered multisignatures and identity-based sequential aggregate signatures, with applications to secure routing
We construct two new multiparty digital signature schemes that allow multiple signers to sequentially produce a compact, fixed-length signature. First, we introduce a new primiti...
Alexandra Boldyreva, Craig Gentry, Adam O'Neill, D...
CONCUR
2007
Springer
15 years 4 months ago
Fair Cooperative Multithreading
Abstract. We propose a new operational model for shared variable concurrency, in the context of a concurrent, higher-order imperative language `a la ML. In our model the scheduling...
Gérard Boudol