关键词: 自然语言理解 ATN 句法分析 上下文相关文法

Abstract:

With the widespread of the Internet , the overall computer performance has been substantially improved, and the information processing capacity increases explosively. In such a circumstance, the computer is more and more requiredto understand the mother tongue （natural language） . The mainstream tec chnology of natural language understanding has al- ways been syntax-semantic analysis. The paper studies an augmented transition network description lan     guage syntax, gives an augmented transition network analysis algorithm, and analyzes the features of this algorithm through examples.

Key words: natural language understanding, ATN, syntactic analysis, contextual grammar