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Discovering relative motion patterns in groups of moving point objects / P. Laube in International journal of geographical information science IJGIS, vol 19 n° 6 (july 2005)
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Titre : Discovering relative motion patterns in groups of moving point objects Type de document : Article/Communication Auteurs : P. Laube, Auteur ; S. Imfeld, Auteur ; Robert Weibel, Auteur Année de publication : 2005 Article en page(s) : pp 639 - 668 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Information géographique
[Termes IGN] connaissance thématique
[Termes IGN] découverte de connaissances
[Termes IGN] exploration de données
[Termes IGN] langage de modélisation
[Termes IGN] objet mobile
[Termes IGN] positionnement cinématique
[Termes IGN] système d'information géographiqueRésumé : (Auteur) Technological advances in position-aware devices are leading to a wealth of data documenting motion. The integration of spatio-temporal data-mining techniques in GIScience is an important research field to overcome the limitations of static Geographic Information Systems with respect to the emerging volumes of data describing dynamics. This paper presents a generic geographic knowledge discovery approach for exploring the motion of moving point objects, the prime modelling construct to represent GPS tracked animals, people, or vehicles. The approach is based on the concept of geospatial lifelines and presents a formalism for describing different types of lifeline patterns that are generalizable for many application domains. Such lifeline patterns allow the identification and quantification of remarkable individual motion behaviour, events of distinct group motion behaviour, so as to relate the motion of individuals to groups. An application prototype featuring novel data-mining algorithms has been implemented and tested with two case studies: tracked soccer players and data points representing political entities moving in an abstract ideological space. In both case studies, a set of non-trivial and meaningful motion patterns could be identified, for instance highlighting the characteristic 'offside trap' behaviour in the first case and identifying trendsetting districts anticipating a political transformation in the latter case. Numéro de notice : A2005-287 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/13658810500105572 En ligne : https://doi.org/10.1080/13658810500105572 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27423
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