| C. Crimi, A. Guercio, G. Nota, G. Pacini, G. Tortora, and M.Tucci. Relation Grammars for Modelling Multi-dimensional Structures. In 1990 WOVL. |
....or implemented have only been defined informally. Various textual specification formalisms have been introduced. A line of research oriented towards parsing has used extended textual grammars and adapted standard algorithms for parsing [2,5,17] Instead of sequential structures Relation Grammars [3,6] use sets of objects and spatial relations between them to describe a picture. A very expressive formalism that supports non tree like parse structures are Picture Layout Grammars [8] The interesting logic approach advocated in [10] uses first order theories for the specification of pictures and ....
C. Crimi, A. Guercio, G. Nota, G. Pacini, G. Tortora, and M.Tucci. Relation Grammars for Modelling Multi-dimensional Structures. In 1990 WOVL.
....provide a declarative grammar based framework suitable for modeling the structure of diagrams. Under a such scheme, the analysis of a diagram consist of identifying the exact correspondence between the diagram and the underlying grammar. The most noticeable models are the Relation Grammars [8, 9], Graphical F PATR Grammars [10] Picture Layout Grammars [11 13] and Constraint Set Grammars [14] While they are capable of describing a variety of domains, these systems do not appear to be efficient enough to parse diagrams of any real complexity (e.g. N=100 to 200 elements) as they are ....
Crimi, C., et al. (1990). "Relation Grammars for Modelling Multi-Dimensional Grammars", 1990 IEEE Workshop on Visual Languages, Skokie, Illinois, pp. 168-173.
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C. Crimi, A. Guercio, G. Nota, G. Pacini, G. Tortora, and M.Tucci. Relation Grammars for Modelling Multi-dimensional Structures. In 1990 IEEE Workshop on Visual Languages, pp. 168 --- 173.
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