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· A toolkit for generating sentences from context-free grammars

           The toolkit is available on GitHub at this repository

Also available at http://39.105.174.52/grammar/index.html

            Z. Xu, L. Zheng and H. Chen. A toolkit for generating sentences from context-free grammars. International Journal of Software and Informatics 5(4), 659- 676, 2011.

· A toolkit supports the deterministic decision of extended regular expressions

Available at http://39.105.174.52/Udtool/index.html

· The LFC language

            Interpreter, Compiler

· Specification acquisition and validation system SAQ