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Research of Information Extraction Algorithm based on Hidden Markov Model

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2 Author(s)
Cai Lan Zhou ; Computer & Science Technology Department, Wuhan University of Technology, Hubei, China ; Shasha Li

Based on the research of Web Information Extraction Algorithm of Hidden Markov Model, this paper focus on the application of HMM in text information extraction, and improved methods of information extraction with constructing granularity refined DOM tree combined with regular expression to extract detailed information points. At the same time, we smooth the probability of unknown observations. Test result show that, the improved HMM has better extraction performance.

Published in:

Information Science and Engineering (ICISE), 2010 2nd International Conference on

Date of Conference:

4-6 Dec. 2010