The process of grammar convergence involves grammar extraction and transformation for structural equivalence and contains a range of technical challenges. These need to be addressed in order for the method to deliver useful results. The paper describes a DSL and the infrastructure behind it that automates the convergence process, hides negligible back-end details, aids development/debugging and enables application of grammar convergence technology to large scale projects. The necessity of having a strong framework is explained by listing case studies. Domain elements such as extractors and transformation operators are described to illustrate the issues that were successfully addressed.
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