Time gap analysis by the topic model-based temporal technique

作者：

Highlights：

• We provide in-depth understanding of various resources by analyzing contents and trends.

• We measure exact time differences between academic disciplines by the time gap analysis.

• We evaluate the topic modeling results by a statistical approach and content analysis of representative topics.

摘要

•We provide in-depth understanding of various resources by analyzing contents and trends.•We measure exact time differences between academic disciplines by the time gap analysis.•We evaluate the topic modeling results by a statistical approach and content analysis of representative topics.

论文关键词：Text mining,Topic modeling,Latent Dirichlet Allocation (LDA),Content analysis,Temporal analysis,Multiple resources

论文评审过程：Received 20 May 2014, Revised 10 July 2014, Accepted 14 July 2014, Available online 12 August 2014.

论文官网地址：https://doi.org/10.1016/j.joi.2014.07.005