Zhaochun Ren
Associate professor
- Name
- Dr. Z. Ren
- Telephone
- +31 71 527 2727
- z.ren@liacs.leidenuniv.nl
- ORCID iD
- 0000-0002-9076-6565

My research interests lie in natural language processing and information retrieval, with an emphasis on conversational artificial intelligence, recommender systems, and social media analysis
See also
Associate professor
- Science
- Leiden Inst of Advanced Computer Science
- Abolghasemi M.A., Ren Z., Askari A., Aliannejadi M., Rijke M. & Verberne S. (2024), CAUSE: Counterfactual Assessment of User Satisfaction Estimation in Task-Oriented Dialogue Systems. Ku L.W., Martins A. & Srikumar V. (Eds.), Findings of the Association for Computational Linguistics ACL 2024. CAUSE: Counterfactual Assessment of User Satisfaction Estimation in Task-Oriented Dialogue Systems 11 August 2024 - 16 August 2024: Association for Computational Linguistics. 14623–14635.
- Shi Z., Zhang S., Sun W., Gao S., Ren P., Chen Z. & Ren Z. (2024), Generate-then-ground in retrieval-augmented generation for multi-hop question answering. Ku L.W., Martins A. & Srikumar V. (Eds.), Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics. 62nd Annual Meeting of the Association for Computational Linguistics 11 August 2024 - 16 August 2023: Association for Computational Linguistics. 7339–7353.
- Lyu Y., Yan L., Wang S., Shi H., Yin D., Ren P., Chen Z., Rijke M. de & Ren Z. (2024), KnowTuning: knowledge-aware fine-tuning for large language models. Al-Onaizan Y., Bansal M. & Chen Y.N. (Eds.), Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing. 2024 Conference on Empirical Methods in Natural Language Processing 12 November 2024 - 16 November 2024. Miami, Florida, USA: Association for Computational Linguistics. 14535–14556.
- Gao S., Fang J., Tu. Q., Yao Z., Chen Z., Ren P. & Ren Z. (2024), Generative news recommendation, WWW '24: Proceedings of the ACM Web Conference 2024. the ACM Web Conference 2024 13 May 2024 - 17 May 2024. New York, N.Y., U.S.A.: Association for Computing Machinery. 3444-3453.
- Yang Z., Ren Z., Wang Y., Sun H., Chen C., Zhu X. & Liao X. (2024), An Iterative Associative Memory Model for Empathetic Response Generation. Ku L.W., Martins A. & Srikumar V. (Eds.), Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics. 62nd Annual Meeting of the Association for Computational Linguistics 11 August 2024 - 16 August 2024: Association for Computational Linguistics. 3081–3092.
- Hao J., Sun W., Xin X., Meng Q., Chen Z., Ren P. & Ren Z. (2024), MEFT: Memory-Efficient Fine-Tuning through Sparse Adapter. Ku L.W., Martins A. & Srikumar V. (Eds.), Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics. 62nd Annual Meeting of the Association for Computational Linguistics 11 August 2024 - 16 August 2023. New York, U.S.A.: Association for Computational Linguistics. 2375--2388.
- Wu S., Wei W., Zhang M., Chen Z., Ma J., Ren Z., Rijke M. de & Ren P. (2024), Generative Retrieval as Multi-Vector Dense Retrieval, SIGIR '24: Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval. the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval 14 July 2024 - 18 July 2024. New York, U.S.A.: Association for Computing Machinery. 1828 - 1838.
- Zhang X., Xie R., Lyu Y., Xin X., Ren P., Liang M., Zhang B., Kang Z., Rijke M. de & Ren Z. (2024), Towards empathetic conversational recommender systems. Lops P., Thorsten J., Verbert K., Castells P., Dong Z. & LondonB. (Eds.), RecSys '24: Proceedings of the 18th ACM Conference on Recommender Systems. the 18th ACM Conference on Recommender Systems 14 October 2024 - 18 October 2024. New York, U.S.A.: Association for Computing Machinery. 84 - 93.
- Sun W., Shi Z., Wu J., Yan L., Ma X., Liu Y., Cao C., Yin D. & Ren Z. (2024), MAIR: A Massive Benchmark for Evaluating Instructed Retrieval. Al-Onaizan Y., Bansal M. & Chen Y.N. (Eds.), Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing. 2024 Conference on Empirical Methods in Natural Language Processing 12 November 2024 - 16 November 2024: Association for Computational Linguistics. 14044–14067.
- Wu S., Xin X., Ren P., Chen Z., Ma J., Rijke M. de & Ren Z. (2024), Learning robust sequential recommenders through confident soft labels, ACM Transactions on Information Systems 43(1): 1-27 (21).
- Yang Z., Ren Z., Wang Y., Sun H., Zhu X. & Liao X. (2024), Situation-aware empathetic response generation, Information Processing and Management 61(6): 103824.
- Wang Y., Ren Z., Sun W., Yang J., Liang Z., Chen X., Xie R., Yan S., Zhang X., Ren P., Chen Z. & Xin X. (2024), Content-Based Collaborative Generation for Recommender Systems , CIKM '24: Proceedings of the 33rd ACM International Conference on Information and Knowledge Management. the 33rd ACM International Conference on Information and Knowledge Management 21 October 2024 - 25 October 2024. New York, U.S.A.: Association for Computing Machinery. 2420 - 2430.
- Askari A., Yang Z., Ren Z. & Verberne S. (2024), Answer Retrieval in Legal Community Question Answering. Goharian N., Tonellotto N., He Y., Lipani A, McDonald G., Macdonald C. & Ounis I. (Eds.), Advances in Information Retrieval. 46th European Conference on Information Retrieval, ECIR 2024 24 March 2024 - 28 March 2024. Lecture Notes in Computer Science no. 14610. Cham: Springer. 477–485.
- Ren Z., He X., Yin D. & Rijke M. de (2024), Information discovery in e-commerce, Foundations and Trends in Information Retrieval 18(4-5): 417-690.
- Zhao Y., Yan L., Sun W., Xing G., Wang S., Meng C., Cheng Z., Ren Z. & Yin. D. (2024), Improving the Robustness of Large Language Models via Consistency Alignment, LREC-COLING 2024. he 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024) 20 May 2024 - 25 May 2024: ELRA Language Resource Association. 8931–8941.
- Xin X., Yang L., Zhao Z., Ren P., Chen Z., Ma J. & Ren Z. (2024), On the Effectiveness of Unlearning in Session-Based Recommendation, WSDM '24: Proceedings of the 17th ACM International Conference on Web Search and Data Mining. he 17th ACM International Conference on Web Search and Data Minin 4 March 2024 - 8 March 2024. New York, U.S.A.: Association for Computing Machinery. 855 - 863.
- Wang Z., Zhao K., He Y., Chen Z., Ren P., Rijke M. de & Ren Z. (2023), Iteratively learning representations for unseen entities with inter-rule correlations, CIKM '23: Proceedings of the 32nd ACM International Conference on Information and Knowledge Management. The 32nd ACM International Conference on Information and Knowledge Management 21 October 2023 - 25 October 2023. New York, U.S.A.: Association for Computing Machinery. 2534–2543.
- Lyu Y., Hao J., Wang Z., Zhao K., Gao S., Ren P., Chen Z., Wang F. & Ren Z. (2023), Multi-defendant legal judgment prediction via hierarchical reasoning. Bouamor H., Pino J. & Bali K. (Eds.), Findings of the association for computational linguistics: EMNLP 2023. 2023 Conference on Empirical Methods in Natural Language Processing 6 December 2023 - 10 December 2023: Association for Computational Linguistics. 13997–14009.
- Wang Z., Zhao Z., Chen Z., Ren P., Rijke M. de & Ren Z. (2023), Generalizing few-shot named entity recognizers to unseen domains with type-related features. Bouamor H., Pino J. & Bali K. (Eds.), Findings of the association for computational linguistics: EMNLP 2023. The 2023 Conference on Empirical Methods in Natural Language Processing 6 December 2023 - 10 December 2023: Association for Computational Linguistics. 13997–14009.
- Yang Z., Ren Z., Yufeng W., Zhu X., Chen Z., Cai T., Wu Y., Su Y., Ju S. & Liao X. (2023), Exploiting emotion-semantic correlations for empathetic response generation. Bouamor H., Pino J. & Bali K. (Eds.), Findings of the Association for Computational Linguistics: EMNLP 2023. The 2023 Conference on Empirical Methods in Natural Language Processing 6 December 2023 - 10 December 2023: Association for Computational Linguistics. 13997–14009.
- Shi Z., Gao S., Zhang Z., Chen X., Chen Z., Ren P. & Ren Z. (2023), Towards a unified framework for reference retrieval and related work generation. Bouamor H., Pino J. & Bali K. (Eds.), Findings of the association for computational linguistics: EMNLP 2023. The 2023 Conference on Empirical Methods in Natural Language Processing 6 December 2023 - 10 December 2023: Association for Computational Linguistics. 13997–14009.
- Deng W., Pei J., Kong K., Chen Z., Wei F., Li Y., Ren Z., Chen Z. & Ren P. (2023), Syllogistic reasoning for legal judgment analysis. Bouamor H., Pino J. & Bali K. (Eds.), Proceedings of the 2023 conference on empirical methods in natural language processing. The 2023 Conference on Empirical Methods in Natural Language Processing 6 December 2023 - 10 December 2023: Association for Computational Linguistics. 13997–14009.
- Sun W., Yan L., Ma X., Ren P., Yin D. & Ren Z. (2023), Is ChatGPT good at search? : Investigating large language models as re-ranking agents. Bouamor H., Pino J. & Bali K. (Eds.), Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing. The 2023 Conference on Empirical Methods in Natural Language Processing 6 December 2023 - 10 December 2023: Association for Computational Linguistics. 14918–14937.
- Zhao Y., Yan L., Sun W., Meng C., Wang S., Cheng Z., Ren Z. & Yin D. (2023), DiQAD: a benchmark dataset for open-domain dialogue quality assessment. Bouamor H., Pino J. & Bali K. (Eds.), Findings of the Association for Computational Linguistics: EMNLP 2023. The 2023 Conference on Empirical Methods in Natural Language Processing 6 December 2023 - 10 December 2023: Association for Computational Linguistics. 15128–15145.
- Sun W., Yan L., Chen Z., Wang S., Zhu H., Ren P., Chen Z., Yin D., Rijke M. de & Ren Z. (2023), Learning to Tokenize for generative retrieval. [conference paper].
- Yang Z., Ren Z, Wang Y., Sun H., Chen C., Zhu X. & Liao X. (2023), Exploiting Emotion-Semantic Correlations for Empathetic Response Generation. Bouamor H., Pino J. & Bali K. (Eds.), Findings of the Association for Computational Linguistics: EMNLP 2023. 62nd Annual Meeting of the Association for Computational Linguistics 11 August 2024 - 16 August 2023: Association for Computational Linguistics. 4826–4837.