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Frontiers of Computer Science

ISSN 2095-2228

ISSN 2095-2236(Online)

CN 10-1014/TP

Postal Subscription Code 80-970

2018 Impact Factor: 1.129

Front. Comput. Sci.    2024, Vol. 18 Issue (2) : 182330    https://doi.org/10.1007/s11704-023-2792-7
Artificial Intelligence
Generating empathetic responses through emotion tracking and constraint guidance
Jing LI1, Donghong HAN1,2(), Zhishuai GUO3, Baiyou QIAO1, Gang WU1
1. School of Computer Science and Engineering, Northeastern University, Shenyang 110000, China
2. Key Laboratory of Intelligent Computing in Medical Image (Ministry of Education), Northeastern University, Shenyang 110000, China
3. Neusoft Corporation, Shenyang 110000, China
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Corresponding Author(s): Donghong HAN   
Just Accepted Date: 12 July 2023   Issue Date: 14 September 2023
 Cite this article:   
Jing LI,Donghong HAN,Zhishuai GUO, et al. Generating empathetic responses through emotion tracking and constraint guidance[J]. Front. Comput. Sci., 2024, 18(2): 182330.
 URL:  
https://academic.hep.com.cn/fcs/EN/10.1007/s11704-023-2792-7
https://academic.hep.com.cn/fcs/EN/Y2024/V18/I2/182330
Fig.1  The related diagrams of ETHREED, including (a) the overall architecture, (b) the policy network and (c) the pointer generation network
Method Params. Automatic evaluation Human rating A/B test (ETHREED vs)
Acc PPL Dis-1 Dis-2 FBERT Emp. Rel. Flu. Win/% Loss/% Tie/% κ
MIME 17.80M 0.3239 37.28 0.39 1.56 0.189 3.14 3.19 4.85 46.67 27.33 26.00 0.45
EmpDG 29.29M 0.3278 36.26 0.45 2.13 0.195 3.21 3.19 4.72 41.33 35.33 23.33 0.44
KEMP 32.54M 0.3852 34.56 0.61 2.69 0.223 3.20 3.16 4.79 43.33 31.67 25.00 0.46
EmpHi 10.92M 0.4046 33.49 0.98 4.64 0.187 3.07 3.05 4.67 40.67 37.67 21.67 0.36
ETHREED 11.98M 0.4294 27.74 1.14 4.76 0.226 3.25 3.23 4.85 ? ? ? ?
Tab.1  All results of automatic and human evaluation. The best performing results are highlighted. We reproduce the baselines based on the hyperparameters in their papers, repeat 5 runs with different seeds and average the results for each automatic metrics. Emp., Rel. and Flu. are short for Empathy, Relevance and Fluency. The Flessia-Kappa κ for three rating aspects are 0.47,0.51 and 0.41, which indicate three annotators reach a moderate agreement. κ of a/b test all achieve the fair or moderate agreement
Label Joyful
Context I am so excited because I am finally going to visit my parents next month! I did not see them for 3 years
Golden 3 years is a long time. How come?
MIME That is great! I am happy for you!
EmpDG That is awesome! Where are you going?
KEMP That is great! I hope you have a great time!
EmpHi I bet you are excited about it.
Ours That’s awesome! What are you planning on doing?
Label Faithful
Context Speaker: I’ve been married almost 23 years. My husband travel so much, but we both have trust in each other to be true and loyal.
Listener: That is great, why does he travel so much?
Speaker: For his job. So, it can be hard, but we trust each other.
Golden What does he do for his job?
MIME I am happy for you
EmpDG I am sure he will be fine
KEMP I am sure you will do great!
EmpHi I agree, I’m glad you’re going to be a good friend.
Ours That’s great. I hope you have a good relationship with him.
Tab.2  Examples of comparison model responses
1 I V, Serban A, Sordoni Y, Bengio A, Courville J Pineau . Building end-to-end dialogue systems using generative hierarchical neural network models. In: Proceedings of the 30th AAAI Conference on Artificial Intelligence. 2016, 3776−3784
2 S Levine . Motor skill learning with local trajectory methods. Stanford University, Dissertation, 2014
3 Majumder N, Hong P, Peng S, Lu J, Ghosal D, Gelbukh A, Mihalcea R, Poria S. MIME: mimicking emotions for empathetic response generation. In: Proceedings of 2020 Conference on Empirical Methods in Natural Language Processing. 2020, 8968−8979
4 Q, Li H, Chen Z, Ren P, Ren Z, Tu Z Chen . EmpDG: multi-resolution interactive empathetic dialogue generation. In: Proceedings of the 28th International Conference on Computational Linguistics. 2020, 4454−4466
5 Q, Li P, Li Z, Ren P, Ren Z Chen . Knowledge bridging for empathetic dialogue generation. In: Proceedings of the 36th AAAI Conference on Artificial Intelligence. 2022, 10993−11001
6 Chen M Y, Li S, Yang Y. EmpHi: Generating empathetic responses with human-like intents. In: Proceedings of 2022 Conference of the North American Chapter of Association for Computational Linguistics: Human Language Technologies. 2022, 1063−1074
7 Li J, Galley M, Brockett C, Gao J, Dolan B. A diversity-promoting objective function for neural conversation models. In: Proceedings of 2016 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies. 2016, 110−119
8 T, Zhang V, Kishore F, Wu K Q, Weinberger Y Artzi . BERTScore: evaluating text generation with BERT. In: Proceedings of the 8th International Conference on Learning Representations. 2020
9 H, Rashkin E M, Smith M, Li Y L Boureau . Towards empathetic open-domain conversation models: a new benchmark and dataset. In: Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics. 2019, 5370−5381
[1] FCS-22792-OF-JL_suppl_1 Download
[2] FCS-22792-OF-JL_suppl_2 Download
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