نتایج جستجو برای: محیط gis
تعداد نتایج: 107064 فیلتر نتایج به سال:
This paper presents a methodology to develop synchronization code based on the global invariant (GI) approach in the context of the Uniied Process in UML. This approach has the following advantages: (1) it is a formal approach that enables formal veriication of programs being developed, (2) the most important activity in the programming process lies at a high level; namely, speciication of GIs,...
In recent years the use of geographic information systems (GIS) in healthcare has expanded rapidly. Although the use of GIS has increased quickly, very little consensus has been reached on which healthcare professionals are best suited to be trained in and use GIS. A moderate amount of research has addressed the use of GIS in healthcare, but very little research has addressed selecting and trai...
DEFINITION Network GIS Performance (NGP) refers to the level of Quality of Services (QoS) of a Network GIS. NGP includes both the efficient use of Network GIS resources (CPU, memory, massive storage, geospatial data and geospatial services) and the perception of speed of a Network GIS [1]. Network GIS is a GIS where the geospatial data and geospatial processing are distributed across a computer...
A global information system (GIS) connects companies in various countries. Although GIS professionals have produced many facilities for connectivity, only a few have developed a comprehensive GIS model to overcome the obstacles. Complexities, ambiguity as well as other risks are among GIS development difficulties. To develop an efficient and effective decision-making process, critical performan...
The popularity of Internet technology has brought about some fundamental changes in the field of GIS. Internet GIS is emerging as a new technology to access, process, and disseminate spatial information over the Internet. Internet GIS cover a much wider audience than the traditional GIS. This raises many issues that are distinct from traditional desktop GIS, such as easy access, webcompatible u...
باتوجه به اهمیت شناسایی بافت های فرسوده شهری که علاوه بر تأثیر بصری نامطلوب در شهرهای بزرگ و درحال پیشرفت ضریب مقاومت پایینی در برابر بلایای طبیعی دارند و همچنین لزوم شناسایی آنها براساس معیارها و شاخص های ارائه شده، اولین قدم برای احیا و نوسازی این بافت ها اتخاذ تدابیری جهت شناسایی و تهیه نقشه پهنه بندی، مساحت حدود و فرضیه های بازسازی آن می باشد. بافت فرسوده شهری به عرصه هایی از محدوده قانونی ...
سابقه و هدف: گیاه پالایی مقرون به صرفه سازگار با محیط زیست است که در آن گیاه از تواناییهای طبیعی خود برای بازیابی استفاده میکند. گیاهان مورد باید توانایی انباشت مقادیر زیادی آلایندههای فلزی را بدون ایجاد سمیت آنها داشته باشند. امروزه افزایش جمعیت جهان به دنبال توسعه صنایع کارخانهها، بر میزان پسابهای وارده غالبا حاوی فلزات سنگین مختلف میباشند، افزوده میشود. تاثیرات مخرب...
GIS eased into geography without much discord until the 1990s, when a flurry of commentaries about the relative merits of GIS made their way into a number of geographic journals. The ensuing decade was marked by varying degrees of friction between GIS practitioners and their critics in human geography. Despite the methodological chasm between the two groups, little discussion of the implication...
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It is argued that a corporate GIS is the lowest level in a hierarchy of spatial data infrastructures (SDIs) worldwide. Therefore, SDI development can benefit from a good understanding of the nature and dynamics of development of a corporate GIS. To facilitate this cross-fertilisation, existing definitions of GIS are briefly reviewed in the context of the organisational setting of a corporate GI...
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