Design and Implementation of On-Line Hot Topic Discovery Model

0 IntroductionStoemrees tto opviecrs tiin m nee hwasv eon g rIenatte rin metp atchta to nar ree aglr osowciinegtyi.n iWne-alsofindthat messages or topics on BBSalso haveinfluence onour real life in some way. But picking out these influencingnews and topics on the web manually should be a dauntingtask and also unreliable. Henceit would be helpful if there isanintelligent systemthat canautomatically andeffectively dis-cover hot topics embedded on the web within a period,sayweekly.Most of today…

Design and implementation of on-line hot topic discovery model

Internet has become a major medium for infomation transmission, how to detect hot topic on web, track the event development and forecast emergency is important to many fields, particularly to some government departments. On the basis of the researches in the field of topic detection and tracking, we propose a model for hot topic discovery that will pick out hot topics by automatically detecting, clustering and weighting topics on the websites within a time period. Based on the idea of stock index, we also introduce a topic index approach in following the growth of topics, which is useful to analyze and forecast the development of topics on web.