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arXiv 1707.05409cs.IR
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会话中问题检索和下一个问题预测的神经匹配模型

Neural Matching Models for Question Retrieval and Next Question Prediction in Conversation

Liu Yang, Hamed Zamani, Yongfeng Zhang, Jiafeng Guo, W. Bruce Croft

摘要:

最近人工智能的蓬勃发展已经出现了许多人机对话系统,如Google Assistant,Microsoft Cortana,Amazon Echo和Apple Siri。我们介绍并正式化的任务,预测问题的对话,其目标是预测新的问题,用户会问,鉴于过去的会话背景。这个任务可以建模为“序列匹配”问题,其中给出两个序列,目的是学习将任何一对序列映射到匹配概率的模型。神经匹配模型采用深度神经网络来学习序列表示和匹配分数,引起了信息检索和自然语言处理界的极大研究兴趣。在本文中,我们首先研究神经匹配模型的问题检索任务,已在文献中广泛探讨,而神经模型的有效性,这项任务是相对未研究。我们进一步评估的神经匹配模型在下一个问题预测任务的对话。我们在实验中使用了公开的Quora数据和Ubuntu聊天记录。我们的评估调查的潜力,神经匹配模型与表示学习的问题检索和下一个问题的预测对话。实验结果表明,神经匹配模型对这两个任务都有很好的表现。

英文摘要:

The recent boom of AI has seen the emergence of many human-computer conversation systems such as Google Assistant, Microsoft Cortana, Amazon Echo and Apple Siri. We introduce and formalize the task of predicting questions in conversations, where the goal is to predict the new question that the user will ask, given the past conversational context. This task can be modeled as a "sequence matching" problem, where two sequences are given and the aim is to learn a model that maps any pair of sequences to a matching probability. Neural matching models, which adopt deep neural networks to learn sequence representations and matching scores, have attracted immense research interests of information retrieval and natural language processing communities. In this paper, we first study neural matching models for the question retrieval task that has been widely explored in the literature, whereas the effectiveness of neural models for this task is relatively unstudied. We further evaluate the neural matching models in the next question prediction task in conversations. We have used the publicly available Quora data and Ubuntu chat logs in our experiments. Our evaluations investigate the potential of neural matching models with representation learning for question retrieval and next question prediction in conversations. Experimental results show that neural matching models perform well for both tasks.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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