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This book constitutes the proceedings of the 16th China National Conference on Computational Linguistics, CCL 2017, and the 5th International Symposium on Natural Language Processing Based on Naturally Annotated Big Data, NLP-NABD 2017, held in Nanjing, China, in October 2017.

The 39 full papers presented in this volume were carefully reviewed and selected from 272 submissions. They were organized in topical sections named: Fundamental theory and methods of computational linguistics; Machine translation and multilingual information processing; Knowledge graph and information extraction; Language resource and evaluation; Information retrieval and question answering; Text classification and summarization; Social computing and sentiment analysis; NLP applications; Minority language information processing.

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Fundamental theory and methods of computational linguistics.- Machine translation and multilingual information processing.- Knowledge graph and information extraction.- Language resource and evaluation.- Information retrieval and question answering.- Text classification and summarization.- Social computing and sentiment analysis.- NLP applications; Minority language information processing.

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