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TIDES, a new descriptor for time series oscillation behavior / L. Mariote in Geoinformatica, vol 15 n° 1 (January 2011)  

Public [article]  inGeoinformatica > vol 15 n° 1 (January 2011) . - pp 75 - 109 Titre : TIDES, a new descriptor for time series oscillation behavior Type de document : Article/Communication Auteurs : L. Mariote, Auteur ; C. Medeiros, Auteur ; Ricardo Da Silva Torres, Auteur ; et al., Auteur Année de publication : 2011 Article en page(s) : pp 75 - 109 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique [Termes IGN] exploration de données géographiques [Termes IGN] oscillation [Termes IGN] série temporelle Résumé : (Auteur) Sensor networks have increased the amount and variety of temporal data available, requiring the definition of new techniques for data mining. Related research typically addresses the problems of indexing, clustering, classification, summarization, and anomaly detection. There is a wide range of techniques to describe and compare time series, but they focus on series’ values. This paper concentrates on a new aspect—that of describing oscillation patterns. It presents a technique for time series similarity search, and multiple temporal scales, defining a descriptor that uses the angular coefficients from a linear segmentation of the curve that represents the evolution of the analyzed series. This technique is generalized to handle co-evolution, in which several phenomena vary at the same time. Preliminary experiments with real datasets showed that our approach correctly characterizes the oscillation of single time series, for multiple time scales, and is able to compute the similarity among sets of co-evolving series. Numéro de notice : A2011-029 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1007/s10707-010-0112-5 Date de publication en ligne : 18/06/2010 En ligne : https://doi.org/10.1007/s10707-010-0112-5 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30810 [article]

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