[{Image src='gcheng.jpeg' height='200px'}]

%%information
*__Email__: gcheng (AT) nju.edu.cn
*__Office__: Room 309, Building of Computer Science Technology, Nanjing University Xianlin Campus, 163 Xianlin Avenue, 210023 Nanjing, China
*__Phone__: +86-25-89680923
*__Homepage__: [http://ws.nju.edu.cn/~gcheng|http://ws.nju.edu.cn/~gcheng]
*__Twitter__: [Gong Cheng|https://twitter.com/gong_cheng]
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[中文|程龚]

Gong Cheng is a professor at the School of Computer Science, Nanjing University. His research interests include __big data search__, __knowledge graph__, and __neuro-symbolic reasoning__ with applications to data search engines, question answering systems, etc. His research has been published at conferences and in journals including WWW, SIGIR, and TKDE, and has received or been nominated for seven best paper awards from ISWC, ESWC, and COLING. He served as PC co-chairs of ISWC 2024 and CCKS 2023.

At present, his research is focused on
* __dataset search__: search engines for open datasets, featuring dataset fusion, retrieval, ranking, summarization, recommendation, etc.;\\[[ [SIGIR 2024|https://doi.org/10.1145/3626772.3657837] | [SIGIR 2024|https://doi.org/10.1145/3626772.3657866] | ISWC 2024 | [TKDE 2023|https://doi.org/10.1109/TKDE.2021.3095309] ]
* __graph search algorithms__: search algorithms for large graph data, e.g., efficient approximation algorithms for Group Steiner Tree problems;\\[[ [WWW 2024|https://doi.org/10.1145/3589334.3645325] | [WWW 2023|https://doi.org/10.1145/3543507.3583257] | [WWW 2023|https://doi.org/10.1145/3543507.3583429] ]
* __LLM inference__: optimization of LLM inference for specific tasks and solving complex problems in critical domains;\\[[ NeurIPS 2024 | [ICLR 2024|https://openreview.net/pdf?id=riNuqYiD66] | [AAAI 2023|https://doi.org/10.1609/aaai.v37i11.26543] ]
* __knowledge-based RAG__: retrieval of multi-source heterogeneous knowledge, e.g., knowledge graphs and tables, for enhancing the generation of LLMs.

!!Publications
*[DBLP|https://dblp.org/pid/69/1215-1.html]
*[Google Scholar|https://scholar.google.com/citations?user=_ncKAiwAAAAJ]

!!Awards
*ISWC 2023 Best Research Paper Nominee
*ISWC 2021 Best Resource Paper Nominee
*ESWC 2020 Best Research Paper Award
*ESWC 2020 Best Resource Paper Nominee
*COLING 2018 Area Chair Favorites
*ISWC 2014 Best Research Paper Nominee
*ISWC 2011 Best Research Paper Nominee

!!Services
!Chairing
*In-Use Track co-chair of ISWC 2024
*Proceedings & Metadata co-chair of ISWC 2023
*Publicity co-chair of CCF BigData 2023
*PC co-chair of CCKS 2023
*Top Conference Review chair of CCKS 2020
*Posters & Demos co-chair of ISWC 2019
*Top Conference Review co-chair of CCKS 2017
*Tutorial co-chair of JIST 2016
*Co-organizer of EYRE 2018-2020
*Co-organizer of SumPre 2015-2016
!Area chair or senior PC member of
*ISWC 2022-2024
*CIKM 2020-2023
*ESWC 2023
*IJCKG 2021
*CCKS 2016, 2018, 2020
*ACL 2023
!PC member of
*WWW 2017-2025
*SIGIR 2023-2024
*WSDM 2025
*ISWC 2013-2021
*ESWC 2013-2014, 2017, 2019-2022, 2024
*AAAI 2021-2025
*IJCAI 2022
*EMNLP 2022
*COLING 2022-2025
*ICLR 2025
*KDD 2025
*DASFAA 2023-2024
*IEEE BigData 2024
*ADMA 2023-2024
!Associate editor of
*[Transactions on Graph Data and Knowledge|https://tgdk.org/]
!Guest editor of
*[Journal of Web Semantics (Special Issue on Knowledge Graphs and Information Retrieval)|https://www.sciencedirect.com/journal/journal-of-web-semantics/special-issue/10DWQV75Z4T]
!Distinguished reviewer of
*[ACM Transactions on the Web|https://dl.acm.org/journal/tweb]