Yonggui Yang

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This paper is a grope research on applying the technology of information extraction (IE) in the field of information content security and the focus is semantic orientation recognition for short message service (SMS). An experimental SMS monitoring system will be introduced, in which rules based and hidden Markov model (HMM) based IE patterns are integrated(More)
With the development of Internet and the development of information technology, a tremendous amount of news information appears everyday. How to extract the useful knowledge is a burning problem. The sports game news-oriented information extraction system introduced in the paper combined the statistics-based hidden Markov model (HMM) and rule-based method(More)
As a noninvasive fiber visualization imaging technique, DTI has been developed rapidly in recent years. It has been considered to have high potential value in the diagnosis and treatment of the nervous system diseases. And in the applications of DTI, the fiber tracking algorithm is critical to the visualization results. So far, researchers have proposed(More)
We performed a retrospective analysis of non-contrast computed tomography (CT) scans, immediately subsequent magnetic resonance imaging (MRI), and cerebral angiography data from 30 consecutive patients with acute ischemic stroke within 6 hours after symptom onset. Results showed that eleven patients developed subsequent hemorrhagic transformation at(More)
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