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Finding out out-of-vocabulary words is an urgent and difficult task in Chinese words segmentation. To avoid the defect causing by offline training in the traditional method, the paper proposes an improved prediction by partial match (PPM) segmenting algorithm for Chinese words based on extracting local context information, which adds the context information of the testing text into the local PPM statistical model so as to guide the detection of new words. The algorithm focuses on the process of online segmentation and new word detection which achieves a good effect in the close or opening test, and outperforms some well-known Chinese segmentation system to a certain extent. [ABSTRACT FROM AUTHOR]

Abstract: To identify Song Ci style automatically, we put forward a novel stylistic text categorization approach based on words and their semantic in this paper. And a modified special word segmentation method, a new semantic relativity computing method based on HowNet along with the corresponding word sense disambiguation method are proposed to extract words and semantic features from Song Ci. Experiments are carried out and the results show that these methods are effective. [ABSTRACT FROM AUTHOR]

In this article, a novel logic which concerns with the natural property of comprehension is presented, and the cognitive state of the agent is also considered. The cognitive comprehension operator is put forward, the logical system is established, and then the axioms and the properties of the system are discussed. Finally, the application of the cognitive comprehension logic in the understanding of the metaphor is showed. [ABSTRACT FROM AUTHOR]