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With the enhancement of technology, the knowledge level is increasing with the passage of time. This increase of information is in volume, velocity, and variety. Extracting meaningful insights is the dire need of an individual from such information and knowledge. Visualization is a key tool and has become one of the most significant platforms for interpreting, extracting, and communicating information. The current study is an endeavour toward data modelling and user knowledge by using a rough set approach for extracting meaningful insights. The technique has used different rough set algorithms such as K\u2010nearest neighbours (KNN), decision rules (DR), decomposition tree (DT), and local transfer function classifier (LTF\u2010C) for an experimental setup. The approach has found its accuracy for the optimal use of data modelling and user knowledge. The experimental setup of the proposed method is validated by using the dataset available in the UCI web repository. Results of the proposed study show that the model is effective and efficient with an accuracy of 96% for KNN, 87% for decision rules, 91% for decision trees, 85.04% for cross validation architecture, and 94.3% for local transfer function classifier. The validity of the proposed classification algorithms is tested using different performance metrics such as F\u2010score, precision, accuracy, recall, specificity, and misclassification rates. For all these performance metrics, the KNN classifier outperformed, and this high performance shows the applicability of the KNN classifier in the proposed problem.<\/jats:p>","DOI":"10.1155\/2021\/7815418","type":"journal-article","created":{"date-parts":[[2021,1,28]],"date-time":"2021-01-28T00:20:58Z","timestamp":1611793258000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Rough Set Approach toward Data Modelling and User Knowledge for Extracting Insights"],"prefix":"10.1155","volume":"2021","author":[{"given":"Xiaoqun","family":"Liao","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0126-9944","authenticated-orcid":false,"given":"Shah","family":"Nazir","sequence":"additional","affiliation":[]},{"given":"Junxin","family":"Shen","sequence":"additional","affiliation":[]},{"given":"Bingliang","family":"Shen","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2562-3477","authenticated-orcid":false,"given":"Sulaiman","family":"Khan","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2021,1,27]]},"reference":[{"key":"e_1_2_9_1_2","unstructured":"IDC Analyze the future 2014 http:\/\/www.idc.com\/."},{"key":"e_1_2_9_2_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1200970"},{"key":"e_1_2_9_3_2","doi-asserted-by":"crossref","unstructured":"SagirogluS.andSinancD. 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