知识桥接的文本生成算法.pdf

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1、知识桥接的文本生成算法李丕绩计算机科学与技术学院/人工智能学院南京航空航天大学2023-3-183/18/2023Piji Li,NSC&Dialogue2ChatGPT Mar.14,20233/18/2023Piji Li,Knowledge&Symbolic3GPT-4知识桥接的对话生成符号知识的控制生成ChatGPT后，做什么?3/18/2023Piji Li,NSC&Dialogue4Outline知识桥接的对话生成 共情对话、个性化对话符号知识的控制生成ChatGPT后，做什么?3/18/2023Piji Li,NSC&Dialogue5Outline3/18/2023Piji L

2、i,NSC&Dialogue6Empathetic Dialogue System Empathy is a crucial step towards a more humanized human-machine conversation.Empathetic dialogue generation aims to recognize feelings in the conversation partner and reply accordingly.1.A commonsense knowledge graphConceptNet2.An emotional lexicon NRC_VADC

3、hallengesHumans usually rely on experience and external knowledge to acknowledge and express implicit emotions.Lacking external knowledge makes it difficult to perceive implicit emotions from limited dialogue history.valence(positivenessnegativeness/pleasure displeasure)arousal(activepassive)dominan

4、ce(dominantsubmissive)3/18/2023Piji Li,NSC&Dialogue7Empathetic Dialogue System1.This phenomenon demonstrates that humans need to infer more knowledge to conduct empathetic dialogues.2.External knowledge is essential in acquiring useful emotional knowledge and improving the performance of empathetic

5、dialogue generation.3/18/2023Piji Li,NSC&Dialogue8Empathetic Dialogue SystemModelling emotional dependencies between interlocutors is crucial to enhance the accuracy of external knowledge representation in empathetic dialogues.323/18/2023Piji Li,NSC&Dialogue9Knowledge-aware Empathetic Dialogue Gener

6、ation-KEMPA framework KEMP The early attempt to leverage external knowledge to enhance empathetic dialogue generation.An emotional context encoder and an emotion-dependency decoder Learn the emotional dependencies between the dialogue history and target response with bunches of external emotional co