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Learning and Optimization of Implicit Negative Feedback for Industrial Short-video Recommender System

Published: 21 October 2023 Publication History

Abstract

Short-video recommendation is one of the most important recommendation applications in today's industrial information systems. Compared with other recommendation tasks, the enormous amount of feedback is the most typical characteristic. Specifically, in short-video recommendation, the easiest-to-collect user feedback is theskipping behavior, which leads to two critical challenges for the recommendation model. First, the skipping behavior reflects implicit user preferences, and thus, it is challenging for interest extraction. Second, this kind of special feedback involves multiple objectives, such as total watching time and skipping rate, which is also very challenging. In this paper, we present our industrial solution in Kuaishou1, which serves billion-level users every day. Specifically, we deploy a feedback-aware encoding module that extracts user preferences, taking the impact of context into consideration. We further design a multi-objective prediction module which well distinguishes the relation and differences among different model objectives in the short-video recommendation. We conduct extensive online A/B tests, along with detailed and careful analysis, which verify the effectiveness of our solution.

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  • (2024)GradCraft: Elevating Multi-task Recommendations through Holistic Gradient CraftingProceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining10.1145/3637528.3671585(4774-4783)Online publication date: 25-Aug-2024
  • (2024)Feedback Reciprocal Graph Collaborative FilteringProceedings of the 33rd ACM International Conference on Information and Knowledge Management10.1145/3627673.3680015(4397-4405)Online publication date: 21-Oct-2024
  • (2024)Formal Analysis on Interaction Flow and Information Cocoon Based on Probabilistic Graph2024 IEEE 11th International Conference on Cyber Security and Cloud Computing (CSCloud)10.1109/CSCloud62866.2024.00024(96-100)Online publication date: 28-Jun-2024
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    cover image ACM Conferences
    CIKM '23: Proceedings of the 32nd ACM International Conference on Information and Knowledge Management
    October 2023
    5508 pages
    ISBN:9798400701245
    DOI:10.1145/3583780
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    Published: 21 October 2023

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    Author Tags

    1. implicit negative feedback
    2. industrial recommender system
    3. short-video recommendation

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    • the National Natural Science Foundation of China
    • the National Key Research and Development Program of China

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    Overall Acceptance Rate 1,861 of 8,427 submissions, 22%

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    View all
    • (2024)GradCraft: Elevating Multi-task Recommendations through Holistic Gradient CraftingProceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining10.1145/3637528.3671585(4774-4783)Online publication date: 25-Aug-2024
    • (2024)Feedback Reciprocal Graph Collaborative FilteringProceedings of the 33rd ACM International Conference on Information and Knowledge Management10.1145/3627673.3680015(4397-4405)Online publication date: 21-Oct-2024
    • (2024)Formal Analysis on Interaction Flow and Information Cocoon Based on Probabilistic Graph2024 IEEE 11th International Conference on Cyber Security and Cloud Computing (CSCloud)10.1109/CSCloud62866.2024.00024(96-100)Online publication date: 28-Jun-2024
    • (2024)Modeling multi-behavior sequence via HyperGRU contrastive network for micro-video recommendationKnowledge-Based Systems10.1016/j.knosys.2024.111841295(111841)Online publication date: Jul-2024
    • (2024)Research on Micro-videos Recommendation Method Integrating Multimodal Data and User Multi-behaviorWeb Information Systems Engineering – WISE 202410.1007/978-981-96-0570-5_1(3-16)Online publication date: 30-Nov-2024

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