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IPL
2008
99views more  IPL 2008»
14 years 9 months ago
A CKY parser for picture grammars
We study the complexity of the membership or parsing problem for pictures generated by a family of picture grammars: Siromoney's Context-Free Kolam Array grammars (coincident...
Stefano Crespi-Reghizzi, Matteo Pradella
MODELS
2007
Springer
15 years 3 months ago
Scenario Integration via the Transformation and Manipulation of Higher-order Graphs
The integration of different models, such as scenarios, is an important component of the requirements engineer’s work. If manually performed, the integration operation is error-...
Hongzhi Liang
VL
1999
IEEE
142views Visual Languages» more  VL 1999»
15 years 2 months ago
Visual Graphs
The formal treatment of visual languages is often based on graph representations. Since the matter of discourse is visual languages, it would be convenient if the formal manipulat...
Martin Erwig
ESOP
2010
Springer
15 years 7 months ago
Fluid Updates: Beyond Strong vs. Weak Updates
Abstract. We describe a symbolic heap abstraction that unifies reasoning about arrays, pointers, and scalars, and we define a fluid update operation on this symbolic heap that rela...
Isil Dillig, Thomas Dillig and Alex Aiken
DLS
2010
277views Languages» more  DLS 2010»
14 years 7 months ago
Factor: a dynamic stack-based programming language
Factor is a new dynamic object-oriented programming language. It began as an embedded scripting language and evolved to a mature application development language. The language has...
Sviatoslav Pestov, Daniel Ehrenberg, Joe Groff