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Coupled with the algorithmic challenge of optimising the opposing objectives of early classification (i.e., earliness and accuracy), ELDC becomes a non-trivial task. Inspired by the generative power and utility of the Generative Adversarial Network (GAN), we propose a novel context-conditional, longitudinal early classifier GAN (LEC-GAN). This model utilises informative missingness, static features and earlier observations to improve the ELDC objective. It achieves this by incorporating ELDC as an auxiliary task within an imputation optimization process. Our experiments on several datasets demonstrate that LEC-GAN outperforms all relevant baselines in terms of F1 scores while increasing the earliness of prediction.<\/jats:p>","DOI":"10.1145\/3644821","type":"journal-article","created":{"date-parts":[[2024,2,7]],"date-time":"2024-02-07T11:59:12Z","timestamp":1707307152000},"page":"1-25","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Conditional Generative Adversarial Network for Early Classification of Longitudinal Datasets Using an Imputation Approach"],"prefix":"10.1145","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0679-2830","authenticated-orcid":false,"given":"Sharon Torao","family":"Pingi","sequence":"first","affiliation":[{"name":"Center for Data Science &amp; School of Computer Science, Queensland University of Technology, Brisbane, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9954-0159","authenticated-orcid":false,"given":"Richi","family":"Nayak","sequence":"additional","affiliation":[{"name":"Center for Data Science &amp; School of Computer Science, Queensland University ofTechnology, Brisbane, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1004-4085","authenticated-orcid":false,"given":"Md Abul","family":"Bashar","sequence":"additional","affiliation":[{"name":"Center for Data Science &amp; School of Computer Science, Queensland University of Technology, Brisbane, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2024,3,26]]},"reference":[{"key":"e_1_3_1_2_2","article-title":"Early classification of time series. 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