{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,11]],"date-time":"2026-02-11T20:19:18Z","timestamp":1770841158468,"version":"3.50.1"},"publisher-location":"California","reference-count":0,"publisher":"International Joint Conferences on Artificial Intelligence Organization","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,9]]},"abstract":"<jats:p>Session-based Recommendation (SBR) aims to predict users\u2019 next interaction based on their current session without relying on long-term profiles. Despite its effectiveness in privacy-preserving and real-time scenarios, SBR remains challenging due to limited behavioral signals. Prior methods often overfit co-occurrence patterns, neglecting semantic priors like item attributes. Recent studies have attempted to incorporate item attributes (e.g., category) by assigning fixed embeddings shared across all sessions. However, such approaches suffer from two key limitations: 1) Static attribute encoding fails to reflect semantic shifts under different session contexts. 2) Semantic misalignment between attribute and item ID embeddings. To address these issues, we propose attribute association driven multi-task learning for SBR, dubbed A\u00b2D-MTL. It explicitly models item categories using cross-session context to capture user potential interests and designs an adaptive sparse attention mechanism to suppress noise. Experimental results on three public datasets demonstrate the superiority of our method in recommendation accuracy (P@20) and ranking quality (MRR@20), validating the model\u2019s effectiveness.<\/jats:p>","DOI":"10.24963\/ijcai.2025\/380","type":"proceedings-article","created":{"date-parts":[[2025,9,19]],"date-time":"2025-09-19T08:10:40Z","timestamp":1758269440000},"page":"3417-3425","source":"Crossref","is-referenced-by-count":1,"title":["Attribute Association Driven Multi-Task Learning for Session-based Recommendation"],"prefix":"10.24963","author":[{"given":"Xinyao","family":"Wang","sequence":"first","affiliation":[{"name":"College of Intelligence and Computing, Tianjin University"}]},{"given":"Zhizhi","family":"Yu","sequence":"additional","affiliation":[{"name":"College of Intelligence and Computing, Tianjin University"}]},{"given":"Dongxiao","family":"He","sequence":"additional","affiliation":[{"name":"College of Intelligence and Computing, Tianjin University"}]},{"given":"Liang","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Artifcial Intelligence, Hebei University of Technology"}]},{"given":"Jianguo","family":"Wei","sequence":"additional","affiliation":[{"name":"College of Intelligence and Computing, Tianjin University"}]},{"given":"Di","family":"Jin","sequence":"additional","affiliation":[{"name":"College of Intelligence and Computing, Tianjin University"},{"name":"Key Laboratory of Artifcial Intelligence Application Technology, Qinghai Minzu University"}]}],"member":"10584","event":{"name":"Thirty-Fourth International Joint Conference on Artificial Intelligence {IJCAI-25}","theme":"Artificial Intelligence","location":"Montreal, Canada","acronym":"IJCAI-2025","number":"34","sponsor":["International Joint Conferences on Artificial Intelligence Organization (IJCAI)"],"start":{"date-parts":[[2025,8,16]]},"end":{"date-parts":[[2025,8,22]]}},"container-title":["Proceedings of the Thirty-Fourth International Joint Conference on Artificial Intelligence"],"original-title":[],"deposited":{"date-parts":[[2025,9,23]],"date-time":"2025-09-23T11:33:53Z","timestamp":1758627233000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ijcai.org\/proceedings\/2025\/380"}},"subtitle":[],"proceedings-subject":"Artificial Intelligence Research Articles","short-title":[],"issued":{"date-parts":[[2025,9]]},"references-count":0,"URL":"https:\/\/doi.org\/10.24963\/ijcai.2025\/380","relation":{},"subject":[],"published":{"date-parts":[[2025,9]]}}}