Topical analysis of text streams
Qi He · 2009
Topic detection (TD) is an important area of research whose primary goal is to detect retrospective or new topics from a stream of news articles.It could be extremely useful in many applications including news aggregation portals, news alert systems, event search engine, terrorist activity tracking, etc.However, specialists who analyze news articles have a hard time separating the wheat from the chaff, due to the overwhelming amount of news Dr Kuiyu Chang, my supervisor, for his patience, guidance, friendship, generosity, and support for the past three and half a years.It was a great pleasure and yet humbling experience to work under Dr Chang, and I learnt a great deal from observing his philosophy and way of handling both technical and non-technical aspects of life.Dr Ee-Peng Lim, my co-advisor, for the weekly seminars where we discussed research ideas.I especially appreciate his meticulous review of my work and his invaluable research insight.His strict supervision also encouraged me to keep on pursuing my Ph.D. study with vigor.Dr Jun Zhang, my best friend, for the confidence that