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» On the Theory of Average Case Complexity
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PODS
2008
ACM
250views Database» more  PODS 2008»
14 years 8 months ago
Approximating predicates and expressive queries on probabilistic databases
We study complexity and approximation of queries in an expressive query language for probabilistic databases. The language studied supports the compositional use of confidence com...
Christoph Koch
TLDI
2010
ACM
218views Formal Methods» more  TLDI 2010»
14 years 4 months ago
Pointwise generalized algebraic data types
In the GADT (Generalized Algebraic Data Types) type system, a pattern-matching branch can draw type information from both the scrutinee type and the data constructor type. Even th...
Chuan-kai Lin, Tim Sheard
LATA
2009
Springer
14 years 2 months ago
Matching Trace Patterns with Regular Policies
Abstract. We consider policies that are described by regular expressions, finite automata, or formulae of linear temporal logic (LTL). Such policies are assumed to describe situat...
Franz Baader, Andreas Bauer 0002, Alwen Tiu
COMPGEOM
2009
ACM
14 years 2 months ago
Minimum cuts and shortest homologous cycles
We describe the first algorithms to compute minimum cuts in surface-embedded graphs in near-linear time. Given an undirected graph embedded on an orientable surface of genus g, w...
Erin W. Chambers, Jeff Erickson, Amir Nayyeri
HICSS
2008
IEEE
91views Biometrics» more  HICSS 2008»
14 years 2 months ago
Governance Structures in Cross-Boundary Information Sharing: Lessons from State and Local Criminal Justice Initiatives
Governments are increasingly using collaborative, cross-boundary strategies to face complex social problems. Many of these cross-boundary initiatives have at their core the use, a...
Theresa A. Pardo, José Ramón Gil-Gar...