Taxonomy of Abstractive Dialogue Summarization: Scenarios, Approaches and Future Directions

• URL: http://arxiv.org/abs/2210.09894v2
• Date: Sun, 6 Aug 2023 06:02:06 GMT
• Title: Taxonomy of Abstractive Dialogue Summarization: Scenarios, Approaches and Future Directions
• Authors: Qi Jia, Yizhu Liu, Siyu Ren, Kenny Q. Zhu
• Abstract summary: This survey provides a comprehensive investigation on existing work for abstractive dialogue summarization from scenarios. It categorizes the task into two broad categories according to the type of input dialogues, i.e., open-domain and task-oriented. It presents a taxonomy of existing techniques in three directions, namely, injecting dialogue features, designing auxiliary training tasks and using additional data.
• Score: 14.85592662663867
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Abstractive dialogue summarization is to generate a concise and fluent summary covering the salient information in a dialogue among two or more interlocutors. It has attracted great attention in recent years based on the massive emergence of social communication platforms and an urgent requirement for efficient dialogue information understanding and digestion. Different from news or articles in traditional document summarization, dialogues bring unique characteristics and additional challenges, including different language styles and formats, scattered information, flexible discourse structures and unclear topic boundaries. This survey provides a comprehensive investigation on existing work for abstractive dialogue summarization from scenarios, approaches to evaluations. It categorizes the task into two broad categories according to the type of input dialogues, i.e., open-domain and task-oriented, and presents a taxonomy of existing techniques in three directions, namely, injecting dialogue features, designing auxiliary training tasks and using additional data.A list of datasets under different scenarios and widely-accepted evaluation metrics are summarized for completeness. After that, the trends of scenarios and techniques are summarized, together with deep insights on correlations between extensively exploited features and different scenarios. Based on these analyses, we recommend future directions including more controlled and complicated scenarios, technical innovations and comparisons, publicly available datasets in special domains, etc.

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