作者: Mitsuru Ishizuka , Naohiro Matsumura , Yukio Ohsawa
DOI:
关键词: Multimedia 、 Online community 、 Information retrieval 、 Computer science 、 Precision and recall 、 Profiling (information science)
摘要: Promoting interactions among participants in an onlinecommunity is catching attention of web sites’ managers. In this paper, we first introduce Influence Diffusion Model (IDM), a method for discovering influential comments, and terms from threaded online discussions, evaluate the performance by precision recall measurement. Then propose new profiling expanding idea IDM. The positioning maps derived profiles show relations as well their characteristics.