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BPSC
2009
152views Business» more  BPSC 2009»
14 years 11 months ago
A Formal Temporal Semantics for Microsoft Project based on Allen's Interval Algebra
Process modelling systems are complex and difficult to compare. A key attribute of any process modelling formalism or tool is time which involves how it handles and represents tem...
Denis Gagné, André Trudel
NGITS
1999
Springer
15 years 2 months ago
From Object-Process Diagrams to a Natural Object-Process Language
As the requirements for system analysis and design become more complex, the need for a natural, yet formal way of specifying system analysis findings and design decisions are becom...
Mor Peleg, Dov Dori
SIGMOD
2006
ACM
112views Database» more  SIGMOD 2006»
15 years 10 months ago
Join minimization in XML-to-SQL translation: an algebraic approach
Consider an XML view defined over a relational database, and a user query specified over this view. This user XML query is typically processed using the following steps: (a) our t...
Murali Mani, Song Wang, Daniel J. Dougherty, Elke ...
CALCO
2009
Springer
161views Mathematics» more  CALCO 2009»
15 years 4 months ago
Free Heyting Algebras: Revisited
Abstract. We use coalgebraic methods to describe finitely generated free Heyting algebras. Heyting algebras are axiomatized by rank 0-1 axioms. In the process of constructing free...
Nick Bezhanishvili, Mai Gehrke
LICS
2006
IEEE
15 years 3 months ago
Coinductive Proof Principles for Stochastic Processes
We give an explicit coinduction principle for recursively-defined stochastic processes. The principle applies to any closed property, not just equality, and works even when soluti...
Dexter Kozen