نتایج جستجو برای: network analysis

تعداد نتایج: 3332024  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم سیاسی 1390

اندیشمندان و صاحب نظران علوم اجتماعی بر این باورند که مرحله تازه ای در تاریخ جوامع بشری اغاز شده است. ویژگیهای این جامعه نو را می توان پدیده هایی از جمله اقتصاد اطلاعاتی جهانی ، هندسه متغیر شبکه ای، فرهنگ مجاز واقعی ، توسعه حیرت انگیز فناوری های دیجیتال، خدمات پیوسته و نیز فشردگی زمان و مکان برشمرد. از سوی دیگر قدرت به عنوان موضوع اصلی علم سیاست جایگاه مهمی در روابط انسانی دارد، قدرت و بازتولید...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده هنر 1391

پارک ها و فضاهای سبز شهری عناصر جدایی ناپذیر شهرهای امروزی هستند زیرا از طرفی ریه های تنفسی شهر به حساب آمده و در تلطیف هوا نقش موثری دارند و از طرفی دیگر باعت افزایش جذابیت فضاهای سبز شهری شده و آن را تبدیل به مکانی برای تجدید قوای روحی کرده و بنیه گردشگری شهر را تقویت می بخشد. امرزوه پژوهشگران شهری به دلیل خصایص مذکور فضاهای شهر، این عامل را به عنوان یکی از معیارهای توسعه پایدار شهری تلقی نمو...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1393

due to extraordinary large amount of information and daily sharp increasing claimant for ui benefits and because of serious constraint of financial barriers, the importance of handling fraud detection in order to discover, control and predict fraudulent claims is inevitable. we use the most appropriate data mining methodology, methods, techniques and tools to extract knowledge or insights from ...

Journal: :iranian journal of parasitology 0
farahnaz sadoughi ali valinejadi mansoureh serati shirazi rouhallah khademi

background: the aim of this study was to survey the iranian parasitology researchers’ performance, and analyse and visualize the scientific outputs of their co-authorship network. methods: this study was conducted using scientometric method and social network analysis (sna). the data extracted from the web of science (wos) databases in july 10th 2014. totally, 1048documents of all types in rese...

Journal: :journal of optimization in industrial engineering 0
marjan niyati department of computer engineering and information technology qazvin azad university of technology ,iran amir masud eftekhari moghadam department of computer engineering and information technology qazvin azad university of technology ,iran

estimating the final price of products is of great importance. for manufacturing companies proposing a final price is only possible after the design process over. these companies propose an approximate initial price of the required products to the customers for which some of time and money is required. here using the existing data of already designed transformers and utilizing the bayesian anal...

Journal: :journal of paramedical sciences 0
nasrin amiri dash atan proteomics research center, shahid beheshti university of medical sciences, tehran, iran. reyhaneh farrokhi yekta proteomics research center, shahid beheshti university of medical sciences, tehran, iran. mohammad rostami nejad gastroenterology and liver disease research center, shahid beheshti university of medical sciences, tehran, iran abdolrahim nikzamir faculty of medicine, shahid beheshti university of medical sciences, tehran, iran.

glaucoma, a group of multifactor ocular diseases, is the second leading cause of blindness worldwide. primary open angle (poa) is the most common type of glaucoma, characterized by progressive optic nerve degeneration. numerous genes and proteins have been revealed to be associated with poag, but the pathologic mechanisms of the disease are still poorly understood. proteomics, the collective st...

Journal: :international journal of health policy and management 2013
michael grant rhodes

the instrumental use of social networks has become a central tenet of international health policy and advocacy since the millennium project. in asking, ‘how to facilitate social contagion?’, karl blanchet of the london school of hygiene and tropical medicine therefore reflects not only on the recent success, but also hints to growing challenges; the tactics of partnerships, alliances and platfo...

Journal: :desert 2013
h. mohammadi kangarani d. ghonchepour a. holisaz

a decrease in natural resources and their non-uniform distribution can affect social relationships between residents ofwatersheds, creating conflict and shifting groupings. the present study used the network analysis method to test thehypothesis that change in hydrologic parameters and water shortages in the village of tutang has led to the new groupingsin the social cooperation network of the ...

Journal: :international journal of information, security and systems management 0

in the developed countries, many organizations are regarded as knowledge-based businesses in which knowledge management is necessary. today, this science is changing into integral activity of business in organizations. one of the concerns of knowledge management is its implementation.many companies and organizations which try to start knowledge management don’t ensure that the best approach is ...

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