{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,19]],"date-time":"2026-03-19T20:04:45Z","timestamp":1773950685999,"version":"3.50.1"},"reference-count":23,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2011,10,25]],"date-time":"2011-10-25T00:00:00Z","timestamp":1319500800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>This paper proposes a method based on multivariate spatial and temporal correlation to improve prediction accuracy in data reduction for Wireless Sensor Networks (WSN). Prediction of data not sent to the sink node is a technique used to save energy in WSNs by reducing the amount of data traffic. However, it may not be very accurate. Simulations were made involving simple linear regression and multiple linear regression functions to assess the performance of the proposed method. The results show a higher correlation between gathered inputs when compared to time, which is an independent variable widely used for prediction and forecasting. Prediction accuracy is lower when simple linear regression is used, whereas multiple linear regression is the most accurate one. In addition to that, our proposal outperforms some current solutions by about 50% in humidity prediction and 21% in light prediction. To the best of our knowledge, we believe that we are probably the first to address prediction based on multivariate correlation for WSN data reduction.<\/jats:p>","DOI":"10.3390\/s111110010","type":"journal-article","created":{"date-parts":[[2011,10,25]],"date-time":"2011-10-25T12:46:40Z","timestamp":1319546800000},"page":"10010-10037","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":41,"title":["Improving Prediction Accuracy for WSN Data Reduction by Applying Multivariate Spatio-Temporal Correlation"],"prefix":"10.3390","volume":"11","author":[{"given":"Carlos","family":"Carvalho","sequence":"first","affiliation":[{"name":"Group of Computer Networks, Software Engineering and Systems (GREat), Federal University of Cear\u00e1, CEP 60455-760, Fortaleza, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8285-4629","authenticated-orcid":false,"given":"Danielo G.","family":"Gomes","sequence":"additional","affiliation":[{"name":"Group of Computer Networks, Software Engineering and Systems (GREat), Federal University of Cear\u00e1, CEP 60455-760, Fortaleza, Brazil"}]},{"given":"Nazim","family":"Agoulmine","sequence":"additional","affiliation":[{"name":"LRSM\/IBISC Laboratory, University of Evry Val d\u2019Essonne, 91020 Evry Courcouronnes CE 1433, France"}]},{"given":"Jos\u00e9 Neuman","family":"De Souza","sequence":"additional","affiliation":[{"name":"Group of Computer Networks, Software Engineering and Systems (GREat), Federal University of Cear\u00e1, CEP 60455-760, Fortaleza, Brazil"}]}],"member":"1968","published-online":{"date-parts":[[2011,10,25]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Gama, J., and Gaber, M.M. 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