Siwei Liu
2019
Social Regularisation in a BPR-based Venue Recommendation System
Siwei Liu
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Iadh Ounis
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Craig Macdonald
Proceedings of the 9th PhD Symposium on Future Directions in Information Access co-located with 12th European Summer School in Information Retrieval (ESSIR 2019), Milan, Italy, July 17th - to - 18th, 2019
2020
A Heterogeneous Graph Neural Model for Cold-start Recommendation
Siwei Liu
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Iadh Ounis
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Craig Macdonald
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Zaiqiao Meng
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
Enhancing Graph Neural Networks for Recommender Systems
Siwei Liu
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020