Group k- Nearest Neighbor Query Method for Uncertainty Data in Obstructed Spaces

To deal with the problem of group k nearest neighbor query method for uncertainty data in obstructed spaces, this paper presents the method of the PkOGNN（probabilistic k obstructed group nearest neighbor）query .The PkOGNN query method mainly includes four sub-algorithms: Compadist_o()，SpatialPru(...

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Autors principals:	WAN Jing, TANG Bei-bei, SUN Jian, HE Yun-bin, LI Song
Format:	Artigo
Idioma:	Chinês
Publicat:	Harbin University of Science and Technology Publications 2019-06-01
Col·lecció:	Journal of Harbin University of Science and Technology
Matèries:	r-tree group nearest neighbor query uncertainty visibility obstructed distance
Accés en línia:	https://hlgxb.hrbust.edu.cn/#/digest?ArticleID=1678
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