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The Second Conversational Intelligence Challenge (ConvAI2)

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arxiv 1902.00098 v1 pith:YN3ZSWSR submitted 2019-01-31 cs.AI cs.CLcs.HC

The Second Conversational Intelligence Challenge (ConvAI2)

classification cs.AI cs.CLcs.HC
keywords competitionconvai2conversationsperformanceacrossactsaimsanswered
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We describe the setting and results of the ConvAI2 NeurIPS competition that aims to further the state-of-the-art in open-domain chatbots. Some key takeaways from the competition are: (i) pretrained Transformer variants are currently the best performing models on this task, (ii) but to improve performance on multi-turn conversations with humans, future systems must go beyond single word metrics like perplexity to measure the performance across sequences of utterances (conversations) -- in terms of repetition, consistency and balance of dialogue acts (e.g. how many questions asked vs. answered).

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