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Zifeng Liu

2 accepted papers

2026

Brains vs. Algorithms? How Experts and Students See AI-Generated Distractors

AAAI 2026technical

Multiple-choice questions (MCQs) are central to instruction and assessment, with distractors revealing student understanding and misconceptions. However, creating high-quality distractors is time-consuming, especially for emerging domains like K–12 AI education. This study explores using generative

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2024

KEEP CHATTING! An Attractive Dataset for Continuous Conversation Agents

ACL 2024findings

Ongoing chatting is an important step for conversational agents to build long-term connections with people. However, people tend to quickly lose interest in chatting if the conversational agent’s words are not engaging enough. In this paper, we present a novel task of increasing users’ willingness t…

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