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Research on Modeling and Analysis of Generative Conversational System Based on Optimal Joint Structural and Linguistic Model
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Abstract:
Generative conversational systems consisting of a neural network-based structural model and a linguistic model have always been considered to be an attractive area. However, conversational systems tend to generate single-turn responses with a lack of diversity and informativeness. For this reason, the conversational system method is further developed by modeling and analyzing the joint structural and linguistic model, as presented in the paper. Firstly, we establish a novel dual-encoder structural model based on the new Convolutional Neural Network architecture and strengthened attention with intention. It is able to effectively extract the features of variable-length sequences and then mine their deep semantic information. Secondly, a linguistic model combining the maximum mutual information with the foolish punishment mechanism is proposed. Thirdly, the conversational system for the joint structural and linguistic model is observed and discussed. Then, to validate the effectiveness of the proposed method, some different models are tested, evaluated and compared with respect to Response Coherence, Response Diversity, Length of Conversation and Human Evaluation. As these comparative results show, the proposed method is able to effectively improve the response quality of the generative conversational system.
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Keyword:
Article
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6480687/ http://www.ncbi.nlm.nih.gov/pubmed/30965635 https://doi.org/10.3390/s19071675
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1 On the Mode of the Semantic Changes of Body-part Terms in English and Chinese-- Illustrated by the Examples of the Lexical Items “Hand ” and “Shou ” in the Holy Bible.
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In: http://www.lancs.ac.uk/fass/projects/corpus/UCCTS2008Proceedings/papers/Wang_and_Wang.pdf
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