نتایج جستجو برای: gis geographical information systems
تعداد نتایج: 2169905 فیلتر نتایج به سال:
Geographical Information Systems (GIS) presents data-intensive environment for acquiring, processing and sharing geo-data among interested parties. In order to serve geographical information to users in such environment, Service Oriented Architecture (SOA) principles have gained great importance. In SOA-based systems, Information Services support the discovery and handling of these geospatial s...
The notion of hypermap emerged as a response to the need for adding to geographical information systems (GIS) the linking and semantics capabilities of hypermedia. A hypermap is a new and powerful instrument for thematic cartography and spatial analysis in GIS. It extends the ability of a GIS to represent, store, manipulate, and display digital maps with the associative linking and interactive ...
A.J. Heppenstall et al. (eds.), Agent-Based Models of Geographical Systems, DOI 10.1007/978-90-481-8927-4_12, © Springer Science+Business Media B.V. 2012 Abstract Within this chapter we focus on the integration of Geographical Information System (GIS) and Agent-based modelling (ABM) and review a selection of toolkits which allow for such integration. Moreover, we identify current capabilities o...
There are significant issues and problems in the integration of remotely sensed data and GIS due to the differences in data characterisation, data structure and data processing philosophy between the two technologies. Difficulties exist particularly in handling large data volumes in GIS which are unavoidable when using remotely sensed imagery. This paper focuses on the integration of image data...
Introduction Since its origin in the late 1980’s, the development of geographical information science and of geographical information systems (GIS), the toolset enabling to conduct this type of research, has now reached the necessary maturity to be considered a main stream application: GIS evolved from the status of ‘a promising tool’ to the status of ‘a tool achieving its promises’. To maintai...
Spatial dependency and spatial embedding are basic physical properties of many phenomena modeled by networks. The most indicated computational environment to deal with spatial information is to use Georeferenced Information System (GIS) and Geographical Database Management Systems (GDBMS). Several models have been proposed in this direction, however there is a gap in the literature in generic f...
In the last 20 years, several conceptual data models specific for Geographic Information Systems (GIS) have been proposed. However, so far there isn’t a consensus model, which has generated several problems for the GIS area, such as the lack of interoperability among CASE tools that give support to these models. A UML profile, called GeoProfile, was proposed to standardize the task of geographi...
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