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    External-Memory Algorithms for Processing Line Segments in Geographic Information Systems

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    AVV97.SegmentGIS.pdf (376.4Kb)
    Issue Date
    1996-09
    Author
    Arge, Lars
    Vengroff, Darren Erik
    Vitter, Jeffrey Scott
    Publisher
    Springer Verlag
    Type
    Article
    Article Version
    Scholarly/refereed, author accepted manuscript
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    Abstract
    In the design of algorithms for large-scale applications it is essential to consider the problem of minimizing I/O communication. Geographical information systems (GIS) are good examples of such large-scale applications as they frequently handle huge amounts of spatial data. In this paper we develop e cient new external-memory algorithms for a number of important problems involving line segments in the plane, including trapezoid decomposition, batched planar point location, triangulation, red-blue line segment intersection reporting, and general line segment intersection reporting. In GIS systems, the rst three problems are useful for rendering and modeling, and the latter two are frequently used for overlaying maps and extracting information from them.
    Description
    The original publication is available at www.springerlink.com
    URI
    http://hdl.handle.net/1808/7200
    DOI
    https://doi.org/10.1007/s00453-006-1208-z
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    • Provost Office Published Articles [95]
    • Electrical Engineering and Computer Science Scholarly Works [252]
    • Distinguished Professors Scholarly Works [918]
    Citation
    L. Arge, D. E. Vengroff, and J. S. Vitter. “External-Memory Algorithms for Processing Line Segments in Geographic Information Systems,” Algorithmica, 47(1), January 2007, 1–25. An extended abstract appears in Proceedings of the 3rd Annual European Symposium on Algorithms (ESA ’95), Corfu, Greece, September 1995, published in Lecture Notes in Computer Science, 979, Springer, Berlin, Germany, 295–310. http://dx.doi.org/10.1007/s00453-006-1208-z

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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