The LR-Tree : A spatial indexing of spatial data supporting map generalization
نویسندگان
چکیده
منابع مشابه
Research on Spatial Data Line Generalization Algorithm in Map Generalization
Map Generalization is one of the hotspot issues in GIS. It is the most imperative field for intelligence in GIS. The uncertainty and data quality of map generalization should be attached importance to in map generalization. The conventional methods of process of line generalization in map generalization are be introduced in this paper, and analysis decline in the quality of integrated because o...
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Since its introduction in 1984, R-tree has been proven to be one of the most practical and well-behaved data structures for accommodating dynamic massive sets of geometric objects and conducting a very diverse set of queries on such datasets in real-world applications. This success has led to a variety of versions, each one trying to tune the performance parameters of the original proposal. Amo...
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From the point of view of mapping transformation, this paper presents a map generalization concept framework which regards generalization as two kinds of mapping procedures: spatial entity mapping and spatial relation mapping. According to the number change of participating entity, spatial entity mapping is classified as 1-1, n-1, n-n mapping. And spatial relation mapping is described as a comp...
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Non-uniformity in data extents is a general characteristic of spatial data. Indexing such non-uniform data using conventional spatial index structures such as R -trees is inefficient for two reasons: (1) The non-uniformity increases the likelihood of overlapping index entries, and, (2) clustering of non-uniform data is likely to index more dead space than clustering of uniform data. To reduce t...
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Article history: Received 12 March 2015 Accepted 28 June 2015 Available online 22 July 2015
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ژورنال
عنوان ژورنال: The KIPS Transactions:PartD
سال: 2002
ISSN: 1598-2866
DOI: 10.3745/kipstd.2002.9d.4.543