نتایج جستجو برای: gis geographical information systems
تعداد نتایج: 2169905 فیلتر نتایج به سال:
During the past decades the publication of papers interest related to the use of geographical information systems (GIS) and/or remote sensing (RS) and of particular interest to veterinary parasitology veterinary followed an exponential trend. The use of GIS and RS is now generally accepted by the scientific community as a major tool contributing to the understanding of epidemiological processes...
backgrounds and aims: using geographical information system (gis) can decreases the burden of road traffic injuries effectively by identification of hot spot to modification in hazardous areas. the aim of the study was determining geographical distribution of human risk factors associated with road traffic injuries by using geographical information system (gis) in iran. materials and methods: t...
We present the on-going research project ISIS (Interoperable Spatial Information Systems) which is a semantic mediation approach to support geographical spatial information systems interoperability. The diversity of spatial information systems (GIS) and data models has created a need for tools and methodologies to allow cooperation or interoperation among GIS. In particular, mediation based app...
Geographical information systems (GIS) facilitate the incorporation of spatial relationships into epidemiological investigations of wildlife diseases. Consisting of data input, management, analysis and presentation components, GIS act as an integrative technology in that a range of very varied data sources can be combined which describe different aspect of the environment of wild animals. The a...
While the open source movement already plays in the field of operating systems a significant role, many GIS users know about open source Geographical Information Systems. A number of GIS related projects have been launched the last years with different focus. The paper introduces the major open source GIS GRASS with emphasis on recent developments. Moreover three other projects are described, w...
Quality spatial load forecasting is a major prerequisite for energy distribution systems planning. The load evolution outline depends on the urban expansion and its land usage. This paper presents a methodology for knowledge extraction of the data provided by a GIS (Geographical Information Systems) platform. The main goal consists of developing studies that lead to the understanding of the inf...
This paper focuses on the deployment of Geographical Information Systems (GIS) and Spatial Data Infrastructures (SDI) within local government in Thai Provinces. GIS has been used extensively within local government and many countries have undertaken SDI initiatives, but these tend to focus at the national level, failing to address the local deployment issues. By their nature as infrastructures,...
Observes that while most school site management personnel are familiar with the multitude of visual representations of statistical data, via graphs and charts, the value of visual representations of geographical information remains largely unknown in educational management. Explains that geographical information systems (GIS), in addition to determining the exact geographical street address loc...
Advanced Traveler [r~format~on Systems (ATIS) under the intelligent Vehicle Highway Systems (IVHS) context require efficient information retrieval and updating in a dynamic environment and at different geographical scales. Some problems in ATIS can be solved based on the functionalities provided by GIS systems. However, extra requirements such as realtime response are not readily met in existin...
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