Part-of-speech tagging-based internet news related place name identification method and system

Abstract

The invention discloses a part-of-speech tagging-based internet news related place name identification method and a part-of-speech tagging-based internet news related place name identification system,and belongs to the technical field of natural language processing. According to the part-of-speech tagging-based internet news related place name identification method, the method comprises the stepsof supplementing the context information of news by utilizing the overall reporting region of a news media column; assisting a place name disambiguation program to correctly judge a place name, converting news contents into a pure noun phrase sequence by utilizing part-of-speech tagging, carrying out place name identification on the noun phrase sequence, carrying out place name subtraction on place name identification results twice, eliminating inaccurate place names, and finally carrying out weighted summary on the two place name subtraction results to confirm the place name. The part-of-speech tagging-based internet news related place name identification method is popular and easy to understand. The implementation process of the method is simple. The problem that news related place names are low in extraction accuracy can be effectively solved. The part-of-speech tagging-based internet news related place name identification method has good application and popularization value.

Description

technical field [0001] The invention relates to the technical field of natural language processing, and specifically provides a method and system for identifying place names involved in Internet news based on part-of-speech tagging. Background technique [0002] Place-name recognition is a subcategory of entity recognition in the field of natural language processing. Traditional place name recognition technology involves the establishment of place name hierarchical model based on administrative division dictionary, word segmentation algorithm, place name disambiguation and other technologies. Usually, the place name recognition technology uses the forward maximum matching word segmentation algorithm to maximize the match place name. At the same time, the mainstream place name disambiguation method will introduce context information through hierarchical clustering in the process of place name recognition to solve the problem of address ambiguity. [0003] However, the curre...

AI Technical Summary

Problems solved by technology

[0007] The technical task of the present invention is to address the above-mentioned existing problems and provide a method for identifying place-names involved in Internet news based on part-of-speech tagging that is easy to understand, has a simple implementation process, and can effectively solve the problem of low accuracy in extracting place-names involved in news.

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