EBOOK

The Accuracy of Spatial Databases

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Dezember 1989

Beschreibung

Beschreibung

A selection of the major papers from a meeting on database accuracy which took place in December 1988 in Montecito, USA. They look at errors and accuracy in spatial databases, particularly the problems of modelling uncertainties and reliability,

Inhaltsverzeichnis

Error modelling for the map overlay operation; modelling error in overlaid categorical maps; user considerations in landscape characterization; knowledge-based approaches to determining and correcting areas of unreliability in geographical databases; observations and comments on the generation and treatment of error in digital GIS data; developing confidence limits on errors of suitability analyses in geographical information systems; distance calculations and errors in geographical databases; inclusion of accuracy data in a feature based, object- orientated data model; accuracy and bias issues in surface representation; modelling error in objects and fields; frame independence spatial analysis; modelling locational uncertainty via hierarchical tesselation; minimum cross-entropy convex decompositions of pixel-indexed stochastic matrices - a geographical application of the Ising model; the traditional and modern look at Tissot's indicatrix; real data and real problems - dealing with large spatial databases; the small number problems and the accuracy of spatial databases; demand point approximations for location problems; modelling realibility on statistical surfaces by polygon filtering; scale-independent spatial analysis; the effect of data aggregation on a poisson model of Canadian migration; statistical methods for inference between incompatible zonal systems; statistical effect of spatial data transformations - a proposed general framework; learning to live with errors in spatial databases.
EAN: 9780850668476
ISBN: 0850668476
Untertitel: Sprache: Englisch.
Verlag: CRC PR INC
Erscheinungsdatum: Dezember 1989
Seitenanzahl: 308 Seiten
Format: gebunden
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