METHOD AND SYSTEM FOR EXTRACTING TOPIC KEYWORD

摘要

Disclosed are a key keyword extraction method and system. The key keyword extraction method includes extracting candidate keywords corresponding to key keyword conditions on a given document; Extracting a feature of the candidate keyword and a feature of the context in which the candidate keyword is included; And determining whether the candidate keyword is a key keyword according to a result of learning the feature of the candidate keyword and the feature of the context.