{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,4]],"date-time":"2025-12-04T08:21:42Z","timestamp":1764836502573,"version":"3.46.0"},"reference-count":25,"publisher":"IEEE","license":[{"start":{"date-parts":[[2025,8,26]],"date-time":"2025-08-26T00:00:00Z","timestamp":1756166400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2025,8,26]],"date-time":"2025-08-26T00:00:00Z","timestamp":1756166400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,8,26]]},"DOI":"10.1109\/pst65910.2025.11268873","type":"proceedings-article","created":{"date-parts":[[2025,12,3]],"date-time":"2025-12-03T18:40:04Z","timestamp":1764787204000},"page":"1-7","source":"Crossref","is-referenced-by-count":0,"title":["Semantic and Graph-Based Unsupervised Learning for Insider Threat Detection Using User Activity Sequences"],"prefix":"10.1109","author":[{"given":"Neda","family":"Baghalizadeh-Moghadam","sequence":"first","affiliation":[{"name":"Polytechnique Montreal,Montreal,Canada"}]},{"given":"Christopher","family":"Neal","sequence":"additional","affiliation":[{"name":"Polytechnique Montreal,Montreal,Canada"}]},{"given":"Sara Imene","family":"Boucetta","sequence":"additional","affiliation":[{"name":"Polytechnique Montreal,Montreal,Canada"}]},{"given":"Fr\u00e9d\u00e9ric","family":"Cuppens","sequence":"additional","affiliation":[{"name":"Polytechnique Montreal,Montreal,Canada"}]},{"given":"Nora","family":"Boulahia-Cuppens","sequence":"additional","affiliation":[{"name":"Polytechnique Montreal,Montreal,Canada"}]}],"member":"263","reference":[{"key":"ref1","first-page":"173","article-title":"Classifying insider threat scenarios through explainable artificial intelligence","volume":"15456","author":"Grzeczkowicz","year":"2025","journal-title":"Risks and Security of Internet and Systems (CRiSIS 2024)"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1109\/PST58708.2023.10320169"},{"issue":"4","key":"ref3","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1145\/3524495","article-title":"Anomaly detection in graphs: A survey","volume":"52","author":"Jiang","year":"2019","journal-title":"ACM Computing Surveys (CSUR)"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.3390\/app10155208"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/SPW.2013.37"},{"author":"Schonlau","key":"ref6","article-title":"Masquerading user data"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/MSP.2009.109"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1145\/3139923.3139929"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/TNSM.2020.2967721"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/TNSM.2021.3071928"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.24251\/hicss.2017.319"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1145\/3406601.3406610"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1109\/ICGI.2017.37"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1007\/978-981-13-9710-3_41"},{"key":"ref15","article-title":"Semi-supervised classification with graph convolutional networks","author":"Kipf","year":"2016","journal-title":"arXiv preprint arXiv:1609.02907"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.24251\/hicss.2017.319"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1109\/ICGI.2017.37"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/TrustCom63139.2024.00279"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1007\/978-981-13-9710-3_41"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/PST58708.2023.10320169"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1145\/1390156.1390294"},{"issue":"1","key":"ref22","first-page":"1929","article-title":"Dropout: A simple way to prevent neural networks from overfitting","volume":"15","author":"Srivastava","year":"2014","journal-title":"Journal of Machine Learning Research"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1126\/science.1127647"},{"key":"ref24","first-page":"281","article-title":"Some methods for classification and analysis of multivariate observations","volume-title":"Proceedings of the Fifth Berkeley Symposium on Mathematical Statistics and Probability","volume":"19","author":"MacQueen"},{"article-title":"Semi-supervised classification with graph convolutional networks","volume-title":"International Conference on Learning Representations (ICLR)","author":"Kipf","key":"ref25"}],"event":{"name":"2025 22nd Annual International Conference on Privacy, Security, and Trust (PST)","start":{"date-parts":[[2025,8,26]]},"location":"Fredericton, NB, Canada","end":{"date-parts":[[2025,8,28]]}},"container-title":["2025 22nd Annual International Conference on Privacy, Security, and Trust (PST)"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx8\/11268482\/11268814\/11268873.pdf?arnumber=11268873","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,12,4]],"date-time":"2025-12-04T08:15:46Z","timestamp":1764836146000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/11268873\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,8,26]]},"references-count":25,"URL":"https:\/\/doi.org\/10.1109\/pst65910.2025.11268873","relation":{},"subject":[],"published":{"date-parts":[[2025,8,26]]}}}