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CSL
2008
Springer
15 years 6 months ago
Characterization of Logics over Ranked Tree Languages
We study the expressive power of the logics EF + F-1 , 2 and boolean combinations of 1 over ranked trees. In particular, we provide effective characterizations of those three logic...
Thomas Place
ESANN
1997
15 years 5 months ago
Extraction of crisp logical rules using constrained backpropagation networks
Two recently developed methods for extraction of crisp logical rules from neural networks trained with backpropagation algorithm are compared. Both methods impose constraints on th...
Wlodzislaw Duch, Rafal Adamczak, Krzysztof Grabcze...
SIGMOD
2005
ACM
107views Database» more  SIGMOD 2005»
16 years 4 months ago
A notation and system for expressing and executing cleanly typed workflows on messy scientific data
The description, composition, and execution of even logically simple scientific workflows are often complicated by the need to deal with "messy" issues like heterogeneou...
Yong Zhao, James E. Dobson, Ian T. Foster, Luc Mor...
ICSM
2009
IEEE
15 years 11 months ago
Understanding source package organization using the hybrid model
Within a large, object-oriented software system it is common to partition the classes into a set of packages, which implicitly serve as a set of coarsely-grained logical design un...
Xinyi Dong, Michael W. Godfrey
TLCA
2009
Springer
15 years 11 months ago
Lexicographic Path Induction
Abstract. Programming languages theory is full of problems that reduce to proving the consistency of a logic, such as the normalization of typed lambda-calculi, the decidability of...
Jeffrey Sarnat, Carsten Schürmann