By Tapani Sarjakoski, Maribel Yasmina Santos, L. Tiina Sarjakoski
ISBN-10: 3319337823
ISBN-13: 9783319337821
ISBN-10: 3319337831
ISBN-13: 9783319337838
This e-book collects leading edge learn provided on the nineteenth convention of the organization of Geographic info Laboratories in Europe (AGILE) on Geographic details technology, held in Helsinki, Finland in 2016.
Read or Download Geospatial Data in a Changing World: Selected papers of the 19th AGILE Conference on Geographic Information Science PDF
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Additional info for Geospatial Data in a Changing World: Selected papers of the 19th AGILE Conference on Geographic Information Science
Example text
These abstractions are provided by the core concepts of spatial information and the computations on them, as summarized in the next section. 4 Core Concepts and Computations for Spatial Information Core concepts of spatial information have been defined as concepts to interpret spatial data and to bridge the gap between spatial thinking and spatial computing (Kuhn and Ballatore 2015). They initially started as ten concepts and were later reduced to the following seven: 1. Location—The idea of locating something relative to something else, applicable to instances of the following four content concepts.
2014), any bend in the structure can be characterized by these descriptors (Fig. 2b) so that we can find needed ones in the hierarchy. Since the above-mentioned operations are not built-in functions in spatial databases, we implemented them as database extensions so that they can be used together with those built-in functions. g. frames, semantic networks, rules), we decided to use Description Logics (Baader et al. 2003) as knowledge formalism for the description of concepts and relationships in the geospatial domain.
This paper follows an ontology-driven approach to concept inference. We address the implicit geometry issue by combining the terminological inference with spatial operations. Specifically, certain algorithms are triggered on-demand to make implicit geometries explicit, before the reasoning proceeds with inferred semantics. Section 2 reviews related work. Section 3 is the core of the paper and describes the method in detail. Section 4 shows the feasibility of the method by applying it to the interpretation of peninsulas from spatial databases.
Geospatial Data in a Changing World: Selected papers of the 19th AGILE Conference on Geographic Information Science by Tapani Sarjakoski, Maribel Yasmina Santos, L. Tiina Sarjakoski
by Daniel
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