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- W2890927029 abstract "There are several features in the content of microblog, including brief, flexible, too colloquial, too much noise caused by informality terms (abbreviations, cyber words), etc. These features are new challenges for named entity recognition. In this paper, a modified method based on cascade conditional random field (CRF) is presented to address the challenge. First of all, we preprocessed the captured microblog text to basic corpus, then we manually built common name, toponym and organization database. A sliding window was set to extract the world feature, sentence feature and context feature of the text, then we established atomic templates and fabricated templates to train cascaded CRF model. Finally, an active learning algorithm based on minimum confidence was adopted to enhance the training effect of the model. This method has been verified in People's Daily labeled corpus and microblog corpus. Experimental data show that our method has achieved outstanding experiment effect compared with the traditional CRF method, the precision, recall and F-value are all improved." @default.
- W2890927029 created "2018-09-27" @default.
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- W2890927029 date "2018-07-01" @default.
- W2890927029 modified "2023-10-18" @default.
- W2890927029 title "Named Entity Recognition Among Chinese MicroBlog Based on Cascaded CRF" @default.
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- W2890927029 doi "https://doi.org/10.1109/icalip.2018.8455248" @default.
- W2890927029 hasPublicationYear "2018" @default.
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