نتایج جستجو برای: geographical information systems
تعداد نتایج: 2151312 فیلتر نتایج به سال:
Dating apps provide live interaction and user profiles with photos, self-descriptions, and information about the geographical distance between the user and potential mates. The literature on the influence of geographical separation information and an individual’s expectation of reciprocity on the desire to interact is limited. This study aims to bridge this gap in the literature by exploring tw...
The author order of multi-authored papers can reveal subtle patterns of scientific collaboration and provide insights on the nature of credit assignment among coauthors. This article proposes a sequencebased perspective on scientific collaboration. Using frequently occurring sequences as the unit of analysis, this study explores (1) what types of sequence patterns are most common in the scienti...
In this article, a single application is suggested to determine the position of vehicles using Geographical Information Systems (GIS) and Geographical Position Systems (GPS). The part of the article material included mapping three dimensional coordinates to two dimensional coordinates using UTM or LAMBERT geographical methods, and the algorithm of conversion of GPS information into GIS maps is ...
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...
The value of geographical information systems and remote sensing as tools for land and resource management is now widely recognised and their application well documented. Better integration of the technologies offers the potential, however, for developing more powerful and useful tools for land and resource management. This paper focuses on the integration of image data with geographical inform...
Introduction: To cope with natural and unnatural critical events such as air crashes, car accidents, chemicals and earthquakes or floods needs powerful resource management. Some of these critical events are tiny and by using local and available resources management could be resolved, but some cover extended geographical areas and so need a massive, vast resources and high level management for e...
An overview of the fields of data modelling, database systems and geographical information systems is presented as a background. Requirements to a data model and a data modelling methodology for geographical data are investigated and presented. Another contribution is an extension of the traditional ER-diagrams to better communicate the semantics of geographical data. The approach is based on e...
It is a useful premise to assume that every document in a collection and every query issued to an information retrieval (IR) system is geography-dependent. If one can determine what area an article is about (i.e., its’ geographical scope), this information can be used to improve the accuracy with which people, places and organizations named in the article can be located. More importantly, geogr...
background: accurate and timely information and communication are vital to adequately prepare individual health organizations for emergency events. the current article investigated health-related communication and information systems for emergency management in iran. methods: the present study was conducted in 2009 with a mixed qualitative and quantitative approach. simple random purposeful sam...
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