Abstract
In order to provide a streaming service of 3-D spatial objects to the mobile clients on a street, we propose a new query type, called continuous perspective query. The perspective query differs from conventional spatial queries in that the levels of details (LOD) of query results depend on the distance between the query point and spatial objects. The objects in the vicinity are to be provided with a higher LOD than those far from the query point. We are dealing with continuous queries, and the LODs of the results are also changing according to the distance from the mobile query point. The LOD of the result object changes from a low LOD to a high LOD as the mobile query point approaches to the object. In this paper, we also propose a processing method for continuous perspective query to reduce the processing cost at a server and communication cost between the server and the mobile clients.
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Kim, JS., Kim, KS., Li, KJ. (2007). Continuous Perspective Query Processing for 3-D Objects on Road Networks. In: Ware, J.M., Taylor, G.E. (eds) Web and Wireless Geographical Information Systems. W2GIS 2007. Lecture Notes in Computer Science, vol 4857. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-76925-5_1
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DOI: https://doi.org/10.1007/978-3-540-76925-5_1
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-76923-1
Online ISBN: 978-3-540-76925-5
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