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Gunrock: A Social Bot for Complex and Engaging Long Conversations

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arxiv 1910.03042 v1 pith:LISS6OWL submitted 2019-10-07 cs.CL cs.AIcs.HC

Gunrock: A Social Bot for Complex and Engaging Long Conversations

classification cs.CL cs.AIcs.HC
keywords gunrockuserscomplexconversationsengagementfoundrelatedsatisfaction
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Gunrock is the winner of the 2018 Amazon Alexa Prize, as evaluated by coherence and engagement from both real users and Amazon-selected expert conversationalists. We focus on understanding complex sentences and having in-depth conversations in open domains. In this paper, we introduce some innovative system designs and related validation analysis. Overall, we found that users produce longer sentences to Gunrock, which are directly related to users' engagement (e.g., ratings, number of turns). Additionally, users' backstory queries about Gunrock are positively correlated to user satisfaction. Finally, we found dialog flows that interleave facts and personal opinions and stories lead to better user satisfaction.

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