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BPSC
2009
152views Business» more  BPSC 2009»
13 years 9 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
14 years 3 days 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»
14 years 8 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»
14 years 2 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
14 years 1 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