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Beyond Goldfish Memory: Long-Term Open-Domain Conversation

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arxiv 2107.07567 v1 pith:DJAUIGY4 submitted 2021-07-15 cs.CL cs.AI

Beyond Goldfish Memory: Long-Term Open-Domain Conversation

classification cs.CL cs.AI
keywords modelsconversationlong-termconversationsexistingmethodsopen-domainperform
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Despite recent improvements in open-domain dialogue models, state of the art models are trained and evaluated on short conversations with little context. In contrast, the long-term conversation setting has hardly been studied. In this work we collect and release a human-human dataset consisting of multiple chat sessions whereby the speaking partners learn about each other's interests and discuss the things they have learnt from past sessions. We show how existing models trained on existing datasets perform poorly in this long-term conversation setting in both automatic and human evaluations, and we study long-context models that can perform much better. In particular, we find retrieval-augmented methods and methods with an ability to summarize and recall previous conversations outperform the standard encoder-decoder architectures currently considered state of the art.

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