Theory of visual languages

[1]  Satoru Kawai,et al.  A general framework for visualizing abstract objects and relations , 1991, TOGS.

[2]  Olof Hagsand,et al.  Generation of visual language-oriented design environments , 1990, J. Vis. Lang. Comput..

[3]  S. K. Chang,et al.  A Visual Language Compiler , 1987, IEEE Trans. Software Eng..

[4]  Robert H. Anderson.  Syntax-directed recognition of hand-printed two-dimensional mathematics , 1967, Symposium on Interactive Systems for Experimental Applied Mathematics.

[5]  Alan C. Shaw,et al.  A Formal Picture Description Scheme as a Basis for Picture Processing Systems , 1969, Inf. Control..