Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 1 Chapter 4 Spatial Data Warehouses.

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Presentation transcript:

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 1 Chapter 4 Spatial Data Warehouses

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 2 Fig Spatial data types

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 3 Fig Icons for the various topological relationships meets contains/inside equals crosses overlaps/intersects covers/coveredBy disjoint

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 4 Fig Examples of the various topological relationships. The two objects in the relationship are drawn in black and in gray, respectively

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 5 Fig A multidimensional schema with spatial elements

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 6 Fig Examples of levels with spatial characteristics (a) Spatial level (b) Spatial level with a spatial attribute (c) Conventional level with a spatial attribute

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 7 Fig A balanced spatial hierarchy (a) Schema (b) Examples of instances

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 8 Fig An unbalanced spatial hierarchy (a) Schema (b) Examples of instances

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 9 Fig A generalized spatial hierarchy (a) Schema (b) Examples of instances

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 10 Fig A balanced nonstrict spatial hierarchy (a) Schema (b) Examples of instances

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 11 Fig A set of alternative spatial hierarchies formed by two nonstrict balanced hierarchies

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 12 Fig A set of parallel independent spatial hierarchies associated with one dimension

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 13 Fig A set of parallel dependent spatial hierarchies

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 14 Fig Classification of topological relationships for the purpose of aggregation procedures

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 15 Fig Schema for analysis of transportation services in a city

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 16 Fig A fact relationship with a spatial measure

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 17 Fig A variant of the schema of Fig. 4.15

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 18 Fig A schema for analyzing the closeness of cities to highways

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 19 Fig Metamodel of the spatially extended MultiDim model

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 20 Fig Object-relational representation of a spatial level (a) Examples of members(b) Geometry of a member with an island

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 21 Fig A relationship between nonspatial and spatial levels

Copyright © 2008 Elzbieta Malinowski & Esteban Zimányi 22 Fig A topological relationship between two spatial levels

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