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Towards Unified Representation Learning for Career Mobility Analysis with Trajectory Hypergraph

Published: 26 April 2024 Publication History

Abstract

Career mobility analysis aims at understanding the occupational movement patterns of talents across distinct labor market entities, which enables a wide range of talent-centered applications, such as job recommendation, labor demand forecasting, and company competitive analysis. Existing studies in this field mainly focus on a single fixed scale, investigating either individual trajectories at the micro-level or crowd flows among market entities at the macro-level. Consequently, the intrinsic cross-scale interactions between talents and the labor market are largely overlooked. To bridge this gap, we propose UniTRep, a novel unified representation learning framework for cross-scale career mobility analysis. Specifically, we first introduce a trajectory hypergraph structure to organize the career mobility patterns in a low-information-loss manner, where market entities and talent trajectories are represented as nodes and hyperedges, respectively. Then, for learning the market-aware talent representations, we attentively propagate the node information to the hyperedges and incorporate the market contextual features into the process of individual trajectory modeling. For learning the trajectory-enhanced market representations, we aggregate the message from hyperedges associated with a specific node to integrate the fine-grained semantics of trajectories into labor market modeling. Moreover, we design two auxiliary tasks to optimize both intra-scale and cross-scale learning with a self-supervised strategy. Extensive experiments on a real-world dataset clearly validate that UniTRep can significantly outperform state-of-the-art baselines for various tasks.

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  • (2024)CrossLight: Offline-to-Online Reinforcement Learning for Cross-City Traffic Signal ControlProceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining10.1145/3637528.3671927(2765-2774)Online publication date: 25-Aug-2024

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    cover image ACM Transactions on Information Systems
    ACM Transactions on Information Systems  Volume 42, Issue 4
    July 2024
    751 pages
    EISSN:1558-2868
    DOI:10.1145/3613639
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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    Published: 26 April 2024
    Online AM: 06 March 2024
    Accepted: 18 February 2024
    Revised: 13 January 2024
    Received: 02 June 2023
    Published in TOIS Volume 42, Issue 4

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    Author Tags

    1. Career mobility
    2. graph neural networks
    3. representation learning

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    • National Natural Science Foundation of China
    • USTC Research Funds of the Double First-Class Initiative

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    • (2024)CrossLight: Offline-to-Online Reinforcement Learning for Cross-City Traffic Signal ControlProceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining10.1145/3637528.3671927(2765-2774)Online publication date: 25-Aug-2024

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