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IR-based methods construct multifaceted textual profiles for each expert by clustering information from their scientific publications. Several methods fully tailored for this problem are presented in this paper. In contrast, ML-based methods treat expert finding as a classification task, training automatic text classifiers using publications authored by experts. By comparing these approaches, we contribute to a deeper understanding of academic-expert-finding techniques and their applicability in knowledge discovery. These methods are tested with two large datasets from the biomedical field: PMSC-UGR and CORD-19. The results show how IR techniques were, in general, more robust with both datasets and more suitable than the ML-based ones, with some exceptions showing good performance.<\/jats:p>","DOI":"10.3390\/a17020051","type":"journal-article","created":{"date-parts":[[2024,1,23]],"date-time":"2024-01-23T07:22:32Z","timestamp":1705994552000},"page":"51","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Information Retrieval and Machine Learning Methods for Academic Expert Finding"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9125-1195","authenticated-orcid":false,"given":"Luis M.","family":"de Campos","sequence":"first","affiliation":[{"name":"Departamento de Ciencias de la Computaci\u00f3n e Inteligencia Artificial, ETSI Inform\u00e1tica y de Telecomunicaci\u00f3n, CITIC-UGR, Universidad de Granada, 18071 Granada, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0366-4545","authenticated-orcid":false,"given":"Juan M.","family":"Fern\u00e1ndez-Luna","sequence":"additional","affiliation":[{"name":"Departamento de Ciencias de la Computaci\u00f3n e Inteligencia Artificial, ETSI Inform\u00e1tica y de Telecomunicaci\u00f3n, CITIC-UGR, Universidad de Granada, 18071 Granada, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9970-7705","authenticated-orcid":false,"given":"Juan F.","family":"Huete","sequence":"additional","affiliation":[{"name":"Departamento de Ciencias de la Computaci\u00f3n e Inteligencia Artificial, ETSI Inform\u00e1tica y de Telecomunicaci\u00f3n, CITIC-UGR, Universidad de Granada, 18071 Granada, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9000-4608","authenticated-orcid":false,"given":"Francisco J.","family":"Ribadas-Pena","sequence":"additional","affiliation":[{"name":"Departamento de Inform\u00e1tica, E.S. Enxe\u00f1ar\u00eda Inform\u00e1tica, Edificio Polit\u00e9cnico, Universidade de Vigo, 32004 Ourense, Spain"}]},{"given":"N\u00e9stor","family":"Bola\u00f1os","sequence":"additional","affiliation":[{"name":"Departamento de Ciencias de la Computaci\u00f3n e Inteligencia Artificial, ETSI Inform\u00e1tica y de Telecomunicaci\u00f3n, CITIC-UGR, Universidad de Granada, 18071 Granada, Spain"}]}],"member":"1968","published-online":{"date-parts":[[2024,1,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"390","DOI":"10.1057\/kmrp.2015.3","article-title":"An ontological model for managing professional expertise","volume":"14","year":"2016","journal-title":"Knowl. Manag. Res. Pract."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"18","DOI":"10.1016\/j.ins.2016.12.040","article-title":"Fuzzy rule based profiling approach for enterprise information seeking and retrieval","volume":"394","author":"Alhabashneh","year":"2017","journal-title":"Inf. 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