Natural disaster topic extraction in Sina microblogging based on graph analysis

作者：

Highlights：

• Propose a novel keywords filtering model for getting dense feature words.

• Utilize a graph generation algorithm to form keywords graph.

• Use the community detection algorithm to analysis keywords graph and detect topics.

• Proposed a topic extraction rule to describe the contents of topics.

摘要

•Propose a novel keywords filtering model for getting dense feature words.•Utilize a graph generation algorithm to form keywords graph.•Use the community detection algorithm to analysis keywords graph and detect topics.•Proposed a topic extraction rule to describe the contents of topics.

论文关键词：Topic detection,Community detection,Natural disaster,Sina microblogging,Graph analysis

论文评审过程：Received 4 April 2018, Revised 25 June 2018, Accepted 8 August 2018, Available online 9 August 2018, Version of Record 20 August 2018.

论文官网地址：https://doi.org/10.1016/j.eswa.2018.08.010