PRESENTATION METHOD FOR VISUALIZATION OF TOPIC EVOLUTION, APPLICATION SERVER, AND COMPUTER READABLE STORAGE MEDIUM

摘要

Disclosed is a presentation method for the visualization of topic evolution, comprising: extracting topics related to a plurality of text material of a same event, and determining an association between each of the topics so as to establish a topic stream; screening from the plurality of topics a plurality of first topics that contain important events;extracting keywords of each of the first topics, and determining an association between the keywords of each of the first topics; and adding the keywords of each of the first topics and the associations thereof to the topic stream, so as to generate topic evolution context graphs corresponding to the plurality of text material. Further provided in the present application is an application server and a computer readable storage medium. The presentation method for the visualization of topic evolution, the application server and the computer readable storage medium provided in the present application may visually display a topic evolution process of an event, such that users may quickly understand and analyze the evolution process of the whole event.