research-article

A Contrastive Sharing Model for Multi-Task Recommendation

Authors:

Jian-Yun NieAuthors Info & Claims

WWW '22: Proceedings of the ACM Web Conference 2022

Pages 3239 - 3247

https://doi.org/10.1145/3485447.3512043

Published: 25 April 2022 Publication History

Abstract

Multi-Task Learning (MTL) has attracted increasing attention in recommender systems. A crucial challenge in MTL is to learn suitable shared parameters among tasks and to avoid negative transfer of information. The most recent sparse sharing models use independent parameter masks, which only activate useful parameters for a task, to choose the useful subnet for each task. However, as all the subnets are optimized in parallel for each task independently, it is faced with the problem of conflict between parameter gradient updates (i.e, parameter conflict problem). To address this challenge, we propose a novel Contrastive Sharing Recommendation model in MTL learning (CSRec). Each task in CSRec learns from the subnet by the independent parameter mask as in sparse sharing models, but a contrastive mask is carefully designed to evaluate the contribution of the parameter to a specific task. The conflict parameter will be optimized relying more on the task which is more impacted by the parameter. Besides, we adopt an alternating training strategy in CSRec, making it possible to self-adaptively update the conflict parameters by fair competitions. We conduct extensive experiments on three real-world large scale datasets, i.e., Tencent Kandian, Ali-CCP and Census-income, showing better effectiveness of our model over state-of-the-art methods for both offline and online MTL recommendation scenarios.

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Cited By

Ding YJi YCai XXin XLu YHuang SLiu CGao XMurata TLu HNejdl WAuer SKarras OCha MMoens MNajork M(2025)Towards Personalized Federated Multi-Scenario Multi-Task RecommendationProceedings of the Eighteenth ACM International Conference on Web Search and Data Mining10.1145/3701551.3703523(429-438)Online publication date: 10-Mar-2025
https://dl.acm.org/doi/10.1145/3701551.3703523
Zhu SZhao HWu TWang PDeng HXu JZheng BNejdl WAuer SKarras OCha MMoens MNajork M(2025)Gradient Deconfliction via Orthogonal Projections onto Subspaces For Multi-task LearningProceedings of the Eighteenth ACM International Conference on Web Search and Data Mining10.1145/3701551.3703503(204-212)Online publication date: 10-Mar-2025
https://dl.acm.org/doi/10.1145/3701551.3703503
Fu HQin ZXue WDing G(2025)Fusing temporal and semantic dependencies for session-based recommendationInformation Processing and Management: an International Journal10.1016/j.ipm.2024.10389662:1Online publication date: 20-Feb-2025
https://dl.acm.org/doi/10.1016/j.ipm.2024.103896
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Index Terms

A Contrastive Sharing Model for Multi-Task Recommendation
1. Computing methodologies
  1. Machine learning
2. Information systems
  1. Information retrieval
    1. Retrieval tasks and goals
      1. Recommender systems
  2. Information systems applications
    1. Data mining

Index terms have been assigned to the content through auto-classification.

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Published In

cover image ACM Conferences

WWW '22: Proceedings of the ACM Web Conference 2022

April 2022

3764 pages

ISBN:9781450390965

DOI:10.1145/3485447

Editors:
Frédérique Laforest
INSA Lyon, France
,
Raphaël Troncy
EURECOM, France
,
Elena Simperl
King’s College London, UK
,
Deepak Agarwal
Pinterest, USA
,
Aristides Gionis
KTH Royal Institute of Technology, Sweden
,
Ivan Herman
W3C / retired
,
Lionel Médini
Université Lyon 1, France

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Published: 25 April 2022

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The NSFC-General Technology Basic Research Joint Funds
The National Natural Science Foundation of China
NSERC discovery grant of Canada

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WWW '22

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SIGWEB

WWW '22: The ACM Web Conference 2022

April 25 - 29, 2022

Virtual Event, Lyon, France

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Overall Acceptance Rate 1,899 of 8,196 submissions, 23%

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Cited By

Ding YJi YCai XXin XLu YHuang SLiu CGao XMurata TLu HNejdl WAuer SKarras OCha MMoens MNajork M(2025)Towards Personalized Federated Multi-Scenario Multi-Task RecommendationProceedings of the Eighteenth ACM International Conference on Web Search and Data Mining10.1145/3701551.3703523(429-438)Online publication date: 10-Mar-2025
https://dl.acm.org/doi/10.1145/3701551.3703523
Zhu SZhao HWu TWang PDeng HXu JZheng BNejdl WAuer SKarras OCha MMoens MNajork M(2025)Gradient Deconfliction via Orthogonal Projections onto Subspaces For Multi-task LearningProceedings of the Eighteenth ACM International Conference on Web Search and Data Mining10.1145/3701551.3703503(204-212)Online publication date: 10-Mar-2025
https://dl.acm.org/doi/10.1145/3701551.3703503
Fu HQin ZXue WDing G(2025)Fusing temporal and semantic dependencies for session-based recommendationInformation Processing and Management: an International Journal10.1016/j.ipm.2024.10389662:1Online publication date: 20-Feb-2025
https://dl.acm.org/doi/10.1016/j.ipm.2024.103896
Su LPan JWang XXiao XQuan SChen XJiang JWooldridge MDy JNatarajan S(2024)STEMProceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence and Thirty-Sixth Conference on Innovative Applications of Artificial Intelligence and Fourteenth Symposium on Educational Advances in Artificial Intelligence10.1609/aaai.v38i8.28749(9002-9010)Online publication date: 20-Feb-2024
https://dl.acm.org/doi/10.1609/aaai.v38i8.28749
Liu YWang SLi XSun F(2024)A Meta-adversarial Framework for Cross-Domain Cold-Start RecommendationData Science and Engineering10.1007/s41019-024-00245-y9:2(238-249)Online publication date: 5-Mar-2024
https://doi.org/10.1007/s41019-024-00245-y
Li WZheng WXiao XWang S(2023)STAN: Stage-Adaptive Network for Multi-Task Recommendation by Learning User Lifecycle-Based RepresentationProceedings of the 17th ACM Conference on Recommender Systems10.1145/3604915.3608796(602-612)Online publication date: 14-Sep-2023
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Bian QXu JFang HKe YFrommholz IHopfgartner FLee MOakes MLalmas MZhang MSantos R(2023)CPMR: Context-Aware Incremental Sequential Recommendation with Pseudo-Multi-Task LearningProceedings of the 32nd ACM International Conference on Information and Knowledge Management10.1145/3583780.3615512(120-130)Online publication date: 21-Oct-2023
https://dl.acm.org/doi/10.1145/3583780.3615512
Wu HXing BTsang IFrommholz IHopfgartner FLee MOakes MLalmas MZhang MSantos R(2023)MTKDN: Multi-Task Knowledge Disentanglement Network for RecommendationProceedings of the 32nd ACM International Conference on Information and Knowledge Management10.1145/3583780.3615271(4360-4364)Online publication date: 21-Oct-2023
https://dl.acm.org/doi/10.1145/3583780.3615271
Weng YTang XChen LHe XChen HDuh WHuang HKato MMothe JPoblete B(2023)Curriculum Modeling the Dependence among Targets with Multi-task Learning for Financial MarketingProceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval10.1145/3539618.3591969(1914-1918)Online publication date: 19-Jul-2023
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Wang YDu ZZhao XChen BGuo HTang RDong ZChen HDuh WHuang HKato MMothe JPoblete B(2023)Single-shot Feature Selection for Multi-task RecommendationsProceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval10.1145/3539618.3591767(341-351)Online publication date: 19-Jul-2023
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