%0 Journal Article
%T Topic Tracking with Dynamic Topic Model and Topic-based Weighting Method
%A Xiaoyan Zhang
%A Ting Wang
%J Journal of Software
%D 2010
%I Academy Publisher
%R 10.4304/jsw.5.5.482-489
%X In topic tracking, a topic is usually described by several stories. How to represent a topic is always an issue and a difficult problem in the research on topic tracking. To emphasis the topic in stories, we provide an improved topic-based tf*idf weighting
%K topic tracking
%K topic drift
%K dynamic topic model
%K feature weighting
%U http://ojs.academypublisher.com/index.php/jsw/article/view/659