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However, sparse research interactions would pose a huge challenge to distinguish research interests of authors. Fortunately, inter-dependent knowledge across papers provides rich potential heterogeneous connections for author\u2013paper interactions, offering much insights for learning authors\u2019 research interests. Therefore, we propose a meta-relation\u2013guided knowledge coupling approach for paper recommendation. Specifically, we construct a meta-relation\u2013guided heterogeneous graph architecture to depict the numerous inter-dependencies among authors and papers, thereby exploring complex author\u2013paper interactions. First, a meta-relation\u2013aware heterogeneous graph encoder is developed to extract relational structure which maintains the relation-specific representation of authors\u2019 research interest and papers\u2019 research relatedness. Then, a cross-meta-path attention network is designed to aggregate the characteristics of different meta-relations and obtain research features of authors and papers. Finally, a self-supervised data augmentation architecture is constructed to mine and preserve local and global graph structure information, acquiring papers with high relevance to author\u2019s research interests through training loss. Numerous experiments are conducted on two real academic datasets, effectively demonstrating the superiority of our proposed model and validating its effectiveness in paper recommendation.<\/jats:p>","DOI":"10.1145\/3715101","type":"journal-article","created":{"date-parts":[[2025,2,11]],"date-time":"2025-02-11T13:48:06Z","timestamp":1739281686000},"page":"1-29","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["MKCRec: Meta-relation guided Knowledge Coupling for Paper Recommendation"],"prefix":"10.1145","volume":"43","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2246-4976","authenticated-orcid":false,"given":"Chengde","family":"Zhang","sequence":"first","affiliation":[{"name":"Zhongnan University of Economics and Law, Wuhan, China"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-5235-5178","authenticated-orcid":false,"given":"Zihan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Northwestern Polytechnical University, Xi\u2019an, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6907-1726","authenticated-orcid":false,"given":"Jiaying","family":"Huang","sequence":"additional","affiliation":[{"name":"Zhongnan University of Economics and Law, Wuhan, China"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-9212-0401","authenticated-orcid":false,"given":"Yan","family":"Liu","sequence":"additional","affiliation":[{"name":"Tsinghua University, Beijing, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7069-6945","authenticated-orcid":false,"given":"Dawei","family":"Jin","sequence":"additional","affiliation":[{"name":"Zhongnan University of Economics and Law, Wuhan, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8364-2487","authenticated-orcid":false,"given":"Xia","family":"Xiao","sequence":"additional","affiliation":[{"name":"Wuhan Polytechnic, Wuhan, China"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-3455-5292","authenticated-orcid":false,"given":"Zuwu","family":"Shen","sequence":"additional","affiliation":[{"name":"Zhongnan University of Economics and Law, Wuhan, China"}]}],"member":"320","published-online":{"date-parts":[[2025,5,9]]},"reference":[{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.12785\/ijcds\/110192"},{"key":"e_1_3_1_3_2","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-030-92038-8_92"},{"key":"e_1_3_1_4_2","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2018.2890388"},{"key":"e_1_3_1_5_2","doi-asserted-by":"publisher","DOI":"10.1145\/2959100.2959180"},{"key":"e_1_3_1_6_2","doi-asserted-by":"publisher","DOI":"10.1145\/3560487"},{"key":"e_1_3_1_7_2","doi-asserted-by":"publisher","DOI":"10.1109\/TNNLS.2018.2817245"},{"key":"e_1_3_1_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.knosys.2023.111172"},{"key":"e_1_3_1_9_2","doi-asserted-by":"publisher","DOI":"10.1109\/ICDE.2015.7113314"},{"key":"e_1_3_1_10_2","doi-asserted-by":"publisher","DOI":"10.1145\/3289600.3290982"},{"key":"e_1_3_1_11_2","doi-asserted-by":"publisher","DOI":"10.1609\/aaai.v34i01.5330"},{"key":"e_1_3_1_12_2","doi-asserted-by":"publisher","DOI":"10.1145\/3539597.3570484"},{"key":"e_1_3_1_13_2","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-03964-5_23"},{"key":"e_1_3_1_14_2","unstructured":"DataBase Systems and Logic Programming. 2023. 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