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By Shashi Shekhar; Hui Xiong

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The K-D-B Tree: A Search Structure For Large Multidimensional Dynamic Indexes. In: SIGMOD, pp 10–18 (1981) 11. : External Memory Algorithms and Data Structures. ACM Comput. Surveys 33(2), 209–271 (2001) 12. : Efficient Aggregation over Objects with Extent. In: PODS, pp. 121–132 (2002) Air Borne Sensors Photogrammetric Sensors akNN Nearest Neighbors Problem Algorithm Data Structure All-K-Nearest Neighbors Cross References Aggregate Queries, Progressive Approximate OLAP, Spatial References 1. : The R∗ tree: An Efficient and Robust Access Method for Points and Rectangles.

Visualization on Small Displays The size of mobile display devices requires the presentation of a reduced number of features. To this end, the data can be reduced using data abstraction processes. Internet Mapping – Streaming Generalization Visualization of maps on the internet requires the transmission of an appropriate level of detail to the display of the remote user. To achieve an adequate data reduction that still ensures that the necessary information is communicated to the user, database abstraction methods are used.

20], 120–132 9. : Aufbau des DLM50 aus dem BasisDLM und Ableitung der DTK50 – Lösungsansatz in Niedersachsen. Kartographische Schriften Band 6, pp. 126–130. Kirschbaum Verlag, Bonn (2002) 10. : Automated Aggregation of Geographic Objects. A new Approach to the Conceptual Generalisation of Geographic Databases. PhD thesis, Wageningen University, The Netherlands (2003) 11. : Generalization of land cover maps by mixed integer programming. In: Proceedings of 14th International Symposium on Advances in Geographic Information Systems, Arlington, Virginia, USA, 2006 12.

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