Heng Chang

2026

doi dblp
RPE4Rec: Enhancing Dynamic Node Retrieval with Efficient Relative Position Encoding for Recommendation Systems.
Ke Cheng|Heng Chang|Pengyang Wang|Liang Gu|Jiandong Ding|Yi Cao|Junchen Ye|Bowen Du
Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026
doi dblp
Beyond the Flat Sequence: Hierarchical and Preference-Aware Generative Recommendations.
Zerui Chen|Heng Chang|Tianying Liu|Chuantian Zhou|Yi Cao|Jiandong Ding|Ming Liu|Bing Qin
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.
doi dblp
GraphRAG-R1: Graph Retrieval-Augmented Generation with Process-Constrained Reinforcement Learning.
Chuanyue Yu|Kuo Zhao|Yuhan Li|Heng Chang|Mingjian Feng|Xiangzhe Jiang|Yufei Sun|Jia Li|Yuzhi Zhang|Qingyun Sun|Jianxin Li|Ziwei Zhang
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

2025

doi dblp
Aligning Large Multimodal Model with Sequential Recommendation via Content-Behavior Guidance.
Zihao Wu|Xin Wang|Heng Chang|Hong Chen|Lifeng Sun|Wenwu Zhu
Proceedings of the 2025 International Conference on Multimedia Retrieval, ICMR 2025, Chicago, IL, USA, 30 June 2025 - 3 July 2025
doi dblp
Heterophilic Graph Neural Networks Optimization with Causal Message-passing.
Botao Wang|Jia Li|Heng Chang|Keli Zhang|Fugee Tsung
Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025
doi dblp
G-Refer: Graph Retrieval-Augmented Large Language Model for Explainable Recommendation.
Yuhan Li|Xinni Zhang|Linhao Luo|Heng Chang|Yuxiang Ren|Irwin King|Jia Li
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
doi dblp
Separated Contrastive Learning for Matching in Cross-domain Recommendation with Curriculum Scheduling.
Heng Chang|Liang Gu|Cheng Hu|Zhinan Zhang|Hong Zhu|Yuhui Xu|Yuan Fang|Zhen Chen
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

doi dblp
Hierarchical Graph Latent Diffusion Model for Conditional Molecule Generation.
Tian Bian|Yifan Niu|Heng Chang|Divin Yan|Junzhou Huang|Yu Rong|Tingyang Xu|Jia Li|Hong Cheng
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
Hyperbolic Contrastive Learning for Cross-Domain Recommendation.
Xin Yang|Heng Chang|Zhijian Lai|Jinze Yang|Xingrun Li|Yu Lu|Shuaiqiang Wang|Dawei Yin|Erxue Min
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024

2023

doi dblp
Knowledge Graph Completion with Counterfactual Augmentation.
Heng Chang|Jie Cai|Jia Li
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2021

doi dblp
Spectral Graph Attention Network with Fast Eigen-approximation.
Heng Chang|Yu Rong|Tingyang Xu|Wenbing Huang|Somayeh Sojoudi|Junzhou Huang|Wenwu Zhu
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

2012

doi dblp
End-user-oriented telco mashups: the OMELETTE approach.
Olexiy Chudnovskyy|Tobias Nestler|Martin Gaedke|Florian Daniel|José Ignacio Fernández-Villamor|Vadim I. Chepegin|José Angel Fornas|Scott Wilson|Christoph Kögler|Heng Chang
Proceedings of the 21st World Wide Web Conference, WWW 2012, Lyon, France, April 16-20, 2012 (Companion Volume)