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» A Formalization of Polytime Functions
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TYPES
2004
Springer
15 years 9 months ago
Exploring the Regular Tree Types
In this paper we use the Epigram language to define the universe of regular tree types—closed under empty, unit, sum, product and least fixpoint. We then present a generic deci...
Peter Morris, Thorsten Altenkirch, Conor McBride
TLDI
2003
ACM
134views Formal Methods» more  TLDI 2003»
15 years 9 months ago
Scrap your boilerplate: a practical design pattern for generic programming
We describe a design pattern for writing programs that traverse data structures built from rich mutually-recursive data types. Such programs often have a great deal of “boilerpl...
Ralf Lämmel, Simon L. Peyton Jones
ASM
2003
ASM
15 years 9 months ago
An ASM Semantics of UML Derived from the Meta-model and Incorporating Actions
We present an approach towards a formal dynamic semantics for UML using ASM. We aim to remain as close as possible to the standard definition of UML and to cover the operational pa...
Ileana Ober
FM
2001
Springer
118views Formal Methods» more  FM 2001»
15 years 8 months ago
Avoiding State Explosion for Distributed Systems with Timestamps
This paper describes a reduction technique which is very useful against the state explosion problem which occurs when model checking many distributed systems. Timestamps are often ...
Fabrice Derepas, Paul Gastin, David Plainfoss&eacu...
KBSE
2000
IEEE
15 years 8 months ago
New Visual Interface for Engineering Use Case Models
This paper describes a new approach to visualization of scenarios within the use case-based engineering of functional requirements – the so-called Video Camera metaphor. The Vid...
Nikolai Mansurov, Dmitri Vasura