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First, the authors analyze the significance of opening government data with the support of big data and the measures taken to protect personal information under the development of government data. Second, the authors propose, in combination with XGBoost, a differential privacy-protected XGBoost (DP\u2013XGB) algorithm that can efficiently process high-dimensional data in the context of big data and realize high-precision prediction while protecting personal privacy. Finally, the authors verify the algorithm through extensive experiments. The results show that in comparison with other schemes, DP\u2013XGB scores higher in accuracy by 22.96% and 8.87%, with an average of 19.72% and 2.82%. In terms of training time, DP\u2013XGB is also faster than other schemes.<\/p>","DOI":"10.4018\/ijitsa.383947","type":"journal-article","created":{"date-parts":[[2025,7,7]],"date-time":"2025-07-07T18:08:17Z","timestamp":1751911697000},"page":"1-24","source":"Crossref","is-referenced-by-count":0,"title":["The Application of Decision Tree Model Driven by Big Data in Personal Information Protection"],"prefix":"10.4018","volume":"18","author":[{"given":"Yixing","family":"Yang","sequence":"first","affiliation":[{"name":"Sichuan University of Science and Engineering, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-4102-7327","authenticated-orcid":true,"given":"Hongbo","family":"Wang","sequence":"additional","affiliation":[{"name":"Peking University, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2432","reference":[{"key":"IJITSA.383947-0","doi-asserted-by":"publisher","DOI":"10.1080\/02681102.2020.1806018"},{"key":"IJITSA.383947-1","doi-asserted-by":"publisher","DOI":"10.1016\/j.giq.2021.101657"},{"key":"IJITSA.383947-2","doi-asserted-by":"publisher","DOI":"10.1177\/0093650218800915"},{"key":"IJITSA.383947-3","doi-asserted-by":"publisher","DOI":"10.38094\/jastt20165"},{"key":"IJITSA.383947-4","first-page":"13081","article-title":"Dynamic relationship network and international management of enterprise supply chain by particle swarm optimization algorithm under deep learning.","author":"M.Chen","year":"2022","journal-title":"Expert Systems: International Journal of Knowledge Engineering and Neural Networks"},{"key":"IJITSA.383947-5","doi-asserted-by":"publisher","DOI":"10.1007\/s11227-022-04900-x"},{"key":"IJITSA.383947-6","doi-asserted-by":"publisher","DOI":"10.1109\/TII.2022.3145010"},{"key":"IJITSA.383947-7","doi-asserted-by":"publisher","DOI":"10.1016\/j.clsr.2021.105560"},{"key":"IJITSA.383947-8","doi-asserted-by":"publisher","DOI":"10.4018\/JOEUC.289222"},{"key":"IJITSA.383947-9","doi-asserted-by":"publisher","DOI":"10.1016\/j.future.2022.01.017"},{"key":"IJITSA.383947-10","doi-asserted-by":"publisher","DOI":"10.4018\/JOEUC.358454"},{"key":"IJITSA.383947-11","doi-asserted-by":"publisher","DOI":"10.3390\/ijerph182211943"},{"key":"IJITSA.383947-12","doi-asserted-by":"publisher","DOI":"10.4018\/JGIM.306271"},{"key":"IJITSA.383947-13","doi-asserted-by":"publisher","DOI":"10.1093\/jamia\/ocab135"},{"key":"IJITSA.383947-14","doi-asserted-by":"publisher","DOI":"10.1111\/imcb.12486"},{"key":"IJITSA.383947-15","doi-asserted-by":"publisher","DOI":"10.4018\/JOEUC.20211101.oa8"},{"key":"IJITSA.383947-16","doi-asserted-by":"publisher","DOI":"10.1177\/00208523211009955"},{"key":"IJITSA.383947-17","doi-asserted-by":"publisher","DOI":"10.3390\/machines11030322"},{"key":"IJITSA.383947-18","first-page":"1","article-title":"Location-based tracking and monitoring infrastructural construction works by using business intelligence tool.","author":"O.Giran","year":"2023","journal-title":"Engineering Management Journal"},{"key":"IJITSA.383947-19","doi-asserted-by":"publisher","DOI":"10.1186\/s40537-019-0206-3"},{"key":"IJITSA.383947-20","doi-asserted-by":"publisher","DOI":"10.3390\/s23115353"},{"key":"IJITSA.383947-21","doi-asserted-by":"publisher","DOI":"10.1016\/j.giq.2020.101493"},{"key":"IJITSA.383947-22","doi-asserted-by":"publisher","DOI":"10.1007\/s11227-022-04686-y"},{"key":"IJITSA.383947-23","doi-asserted-by":"publisher","DOI":"10.1016\/j.chb.2022.107638"},{"key":"IJITSA.383947-24","doi-asserted-by":"publisher","DOI":"10.1111\/puar.13422"},{"key":"IJITSA.383947-25","doi-asserted-by":"publisher","DOI":"10.1016\/j.matpr.2021.11.635"},{"key":"IJITSA.383947-26","doi-asserted-by":"publisher","DOI":"10.4018\/JOEUC.344453"},{"key":"IJITSA.383947-27","first-page":"1","article-title":"Exploring lean practices\u2019 importance in sustainable supply chain management trends: An empirical study in Canadian construction industry.","author":"P. 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