A natural language generation system based on dynamic knowledge base

This paper describes a domain-specialized natural language generation system-Intelligent Scenes Inquiring System (ISIS), which automatically produce Chinese text with information of a park and the scenes in it when the user asks a question in Chinese. One feature of ISIS is the discourse focusing strategy in text planning, another is the use of a dynamic knowledge base that includes a map of a park and some forms filled by the user. This feature makes the use of ISIS common to all parks.