We adopt a semantic-based rule driven method to cut down redundancy in the text structure tree, which is quite unique and appropriate for natural language generation system.

Analyzed in this paper is the microplanner in the ACNLG, a multilingual nature language generation system, and the concept "sentence optimizer based on language resource pre mapping" is put forward.

Prof Mellish said: ’The system will use a technique called Natural Language Generation, where complex data is translated into simple and understandable text.