{"id":738,"date":"2019-03-05T10:42:58","date_gmt":"2019-03-05T09:42:58","guid":{"rendered":"https:\/\/www.hsu-hh.de\/statistik\/?post_type=tribe_events&#038;p=738"},"modified":"2019-03-05T10:42:58","modified_gmt":"2019-03-05T09:42:58","slug":"adaptive-control-charts-for-identifying-concept","status":"publish","type":"tribe_events","link":"https:\/\/www.hsu-hh.de\/statistik\/event\/adaptive-control-charts-for-identifying-concept","title":{"rendered":"Dhouha Mejri (TU Dortmund)"},"content":{"rendered":"<h1> Adaptive Control charts for identifying concept drift in nonstationary environment <\/h1>\n<p>Time adjusting dynamic systems whose underlying changing distribution should be continuously<br \/>\nmonitored to track abnormal behaviors is one of the most recent challenges in many real life<br \/>\napplications. In fields such as sensor networks, intrusion detection, credit card fraud detection and<br \/>\nprocess monitoring, the arriving data change over time and the target concept to be learned changes<br \/>\naccordingly causing the problem of \u201cconcept drift. Adaptive control charts from SPC domain and<br \/>\ndynamic ensemble methods from data mining field are the most widely used techniques to track<br \/>\nconcept drift. In order to perform the change identification in data stream processes, the first<br \/>\nenhancement of ensemble methods in SPC proposed in Mejri et al, 2018 entitled Dynamic Weighted<br \/>\nMajority Control Chart will be presented. The new adaptive method has not only the ability to<br \/>\ncombine more than two control charts but also uses the expertise of dynamic weighted majorityWinnow (DWM)-WIN in<br \/>\nidentifying and learning changes during the monitoring. First, it transforms<br \/>\nthe task of determining the state of the process into a classification problem by treating control charts<br \/>\nas attributes where the drift has to be predicted. Second, DWM-WIN mechanism is applied to learn the<br \/>\nshift and to combine the decision of different individuals. Third, a prediction of class label is used to<br \/>\nhelp in classifying the shift during the changing of the process toward the approximated right<br \/>\ndirection. The three main steps of this combined control chart as well comparative results will be<br \/>\npresented and discussed in this talk<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Adaptive Control charts for identifying concept drift in nonstationary environment Time adjusting dynamic systems whose underlying changing distribution should be continuously monitored to track abnormal behaviors is one of the [&hellip;]<\/p>\n","protected":false},"author":335,"featured_media":0,"template":"","meta":{"_tribe_events_status":"","_tribe_events_status_reason":"","footnotes":""},"tags":[],"tribe_events_cat":[44],"class_list":["post-738","tribe_events","type-tribe_events","status-publish","hentry","tribe_events_cat-kolloquium-de","cat_kolloquium-de"],"_links":{"self":[{"href":"https:\/\/www.hsu-hh.de\/statistik\/wp-json\/wp\/v2\/tribe_events\/738","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hsu-hh.de\/statistik\/wp-json\/wp\/v2\/tribe_events"}],"about":[{"href":"https:\/\/www.hsu-hh.de\/statistik\/wp-json\/wp\/v2\/types\/tribe_events"}],"author":[{"embeddable":true,"href":"https:\/\/www.hsu-hh.de\/statistik\/wp-json\/wp\/v2\/users\/335"}],"version-history":[{"count":1,"href":"https:\/\/www.hsu-hh.de\/statistik\/wp-json\/wp\/v2\/tribe_events\/738\/revisions"}],"predecessor-version":[{"id":739,"href":"https:\/\/www.hsu-hh.de\/statistik\/wp-json\/wp\/v2\/tribe_events\/738\/revisions\/739"}],"wp:attachment":[{"href":"https:\/\/www.hsu-hh.de\/statistik\/wp-json\/wp\/v2\/media?parent=738"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hsu-hh.de\/statistik\/wp-json\/wp\/v2\/tags?post=738"},{"taxonomy":"tribe_events_cat","embeddable":true,"href":"https:\/\/www.hsu-hh.de\/statistik\/wp-json\/wp\/v2\/tribe_events_cat?post=738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}