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JLP
2006
138views more  JLP 2006»
13 years 9 months ago
Algebraic-coalgebraic specification in CoCasl
We introduce CoCasl as a light-weight but expressive coalgebraic extension of the algebraic specification language Casl. CoCasl allows the nested combination of algebraic datatype...
Till Mossakowski, Lutz Schröder, Markus Rogge...
BPSC
2009
152views Business» more  BPSC 2009»
13 years 10 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 1 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»
14 years 9 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 3 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