Research And Application Of Chinese Keyword Spotting And Topic Detection

Nowadays,our life is full of more and more information.How to analyze,process and extract information is an important problem.This paper's content is the research of Chinese key word spotting and topic detection,which is just for solving this problem partly.1 In the paper, relevant theories, solutions and experiment analysis of key word spotting are systemically provided. Research key word model's recognition unit. Invent four new garbage model's modeling methods according to the characters of Chinese and the key word spotting theory. Improve the efficiency of Chinese key word spotting.2 During the research of Chinese topic detection, use the text classification theory. Different parts'theory and experiment steps of Chinese topic detection are also discussed in detail.3 In the end, bring the key word spotting and the topic detection together into one system, apply this system to the flourishing pervasive computing. Complete the primary research on intelligent service of pervasive computing.