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Tutorial on Spatial and Spatio-Temporal Data Mining Part II ... - UFSC

Tutorial on Spatial and Spatio-Temporal Data Mining Part II ... - UFSC

Tutorial on Spatial and Spatio-Temporal Data Mining Part II ... - UFSC

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Relative Moti<strong>on</strong> Patterns (Laube 2004)Recurrence: at least m entities visit acircular regi<strong>on</strong> at least k timesF1F 1RecurrenceF 1F1Extensi<strong>on</strong> of the work proposed by [Laube 2004, 2005]Gudmundss<strong>on</strong>(2006)Computes the l<strong>on</strong>gest durati<strong>on</strong> flock patternsThe l<strong>on</strong>gest pattern has the l<strong>on</strong>gest durati<strong>on</strong>And has at least a minimal number oftrajectoriesGudmundss<strong>on</strong> (2007)proposes approximate algorithms for computingthe patterns leadership, encounter,c<strong>on</strong>vergence, <strong>and</strong> flockFocus relies <strong>on</strong> performance issues

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