نتایج جستجو برای: geographical position

تعداد نتایج: 289208  

Journal: :Expert Syst. Appl. 2012
Wen-Hsiang Wu Chin-Tsai Lin Kua-Hsin Peng Chiu-Chin Huang

Deng proposed grey clustering analysis (GCA) in 1987. Later, Jin presented a new method in 1993, called grey relational clustering (GRC) method that combined grey relational analysis with clustering. However, the GRC method cannot use a tree diagram to make appropriate classification decisions without re-computation. This study thus attempts to combine GRC and hierarchical clustering analysis. ...

2010
Gary M. Olson

Abstract Researchers in science and engineering have a long tradition of collaboration, and increasingly carry out these collaborations across geographical distance. Similar trends exist in industry, where virtual teams are increasing in frequency. While we know that such dispersed collaborations are difficult, there is growing evidence of success. The physical and biological sciences have led ...

Journal: :تحقیقات جغرافیایی 0
صفی اله شاه قلعه مدرس دانشگاه پیام نور کمیجان ابوالفضل عیسی آبادی رئیس دانشگاه پیام نور کمیجان

abstract: iran passed wide range of events over her controversies history. it has great special geopolitics position, natural resources and cultural values. iran is in asia and connects asia to europe. iran as relational bridge has an important role so that it could be an important center during first and second world war for enemies' forces in spite of explicit neuter declaration from ira...

2008
Augusto Celentano Piero Mussio Fabio Pittarello

In this position paper we discuss the role of geographical metaphors as tools for representing, organizing and accessing heterogeneous shared information, typical of the Web 2.0. Metaphors represent concepts and relations of a knowledge domain with symbols taken from another domain, usually simpler and more immediate to understand. The paper discusses issues related to the use of metaphorical c...

2018
Fatma A. Hamada

Ha'il community is an important community in the northern Saudi Arabia; has its own culture. The current study is recording the ethno-botanical uses of some plants in Ha'il region, reflecting how surrounding environment and the geographical position affecting this knowledge, and showing even similarities with other Bedouin cultures within other places in nearby countries that has similar or rel...

Journal: :International Journal of Geographical Information Science 2017
Fangyuan Yu Thomas A. Groen Tiejun Wang Andrew K. Skidmore Jihong Huang Ke-Ping Ma

Understanding the environmental factors determining the distribution of species with different range sizes can provide valuable insights for evolutionary ecology and conservation biology in the face of expected climate change. However, little is known about what determines the variation in geographical and elevational ranges of alpine and subalpine plant species. Here, we examined the relations...

2014
Reja Alam Talukder Mominul Ahsan Karl Andersson

In wireless telephony networks, each cell is a geographical coverage area which can distribute frequency among cellular networks for different specific mobile network regions. Good cell and bad cell are used in the cellular network to identify the proper user position in a certain geographical area. The good cell is identified by assuming a maximum distance between latitude and longitude of two...

Journal: :EURASIP J. Wireless Comm. and Networking 2012
Wim Vandenberghe Erwin Van de Velde Chris Blondia Ingrid Moerman Piet Demeester

Several approaches can be identified in the domain of vehicular ad hoc networks (VANET). Internet Protocol version 6 (IPv6) networking and non-IP geographical networking can each fulfill a subset of the application requirements. In general, a combination of both techniques is proposed to meet all of the application requirements. In this case, packets of one VANET routing protocol are encapsulat...

Journal: :فصلنامه علمی پژوهشی تاریخ اسلام 0
رضا مهر آفرین عضو هیإت علمی دانشگاه سیستان و بلوچستان.

using records and documents left by muslim geographers and historions, this article tries to rebuild the historical geography of zarang, now a buried islamic - iranian city and once the administrative center of the sistan region in southeastern iran. the aim of this reconstruction is to help archaeologists have access to the plan and approximate whereabouts of major facilities of the city befor...

Journal: :Investigaciones Geográficas 2022

This paper discusses the theoretical and methodological principles in process of regionalization analyzes criteria used during designation region as a category special importance geographical research. Methodological were applied differentiation Preševo Valley an individualized region. The is small South Serbia with very favorable position because it located central part Balkan Peninsula betwee...

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