Spatial join queries - PowerPoint PPT Presentation

Performance of Nearest Neighbor Queries in R-trees

Performance of Nearest Neighbor Queries in R-trees. Apostolos Papadopoulos and Yannis Manolopoulos Presenter: Uma Kannan. Contents. Introduction Spatial data Management Research Spatial Access Methods Research Statement of The Problem Solution to the Problem Background

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Spatial Join Queries

Spatial Join Queries. Spatial Queries. Given a collection of geometric objects (points, lines, polygons, ...) organize them on disk, to answer point queries range queries k-nn queries spatial joins (‘all pairs’ queries). Spatial Queries.

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Speeding Up Large-Scale Geospatial Polygon Rasterization on GPGPUs

Speeding Up Large-Scale Geospatial Polygon Rasterization on GPGPUs. Jianting Zhang Department of Computer Science, the City College of New York jzhang@cs.ccny.cuny.edu. Outline. Introduction and Motivations Background and Related Works The Serial Scan-Line Fill Algorithm

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