نتایج جستجو برای: complex network

تعداد نتایج: 1390017  

Journal: :پژوهشنامه مبانی تعلیم و تربیت 0

the main purpose of this research is the presentation of some prerequisites of educational theorizing with regard to ontologic components of complexity paradigm. for this purpose, by using the philosophical methods, after making mention of how ontologic components of simplicity paradigm (naive realism, linear causation, determinism) influence contemporary educational theories, ontologic compone...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت معلم تهران - دانشکده علوم 1370

determination of uranium in natural water and complex solutions using ion exchange chromatography: a combined procedure using ion exchange chromatography and uv-vis spectrophotometry techniques has been developed to measure uranum in natural water and complex solutions. after conditicing , one hundred milli liters of sample solutions have been passed through an ion exchange column,pachked with ...

Journal: :international journal of information, security and systems management 2014
ensieh sobhi afshar

in today's business environment in which coordination and adaptation with constant changes are the only ways of survival, real-time monitoring of activities and making the decisions accordingly are necessary. since performance measurement cannot be managed independent of business processes, business activity monitoring (bam) systems should monitor performance metrics based on business processes...

Journal: :research in molecular medicine 0
ali kazemipour shahid bahonar university, kerman,iran bahram goliaei institute of biochemistry and biophysics, university of tehran, iran hamid pezeshk university of tehran, iran behjat kalantari khandani kerman university of medical sciences

gene identification represents the first step to a better understanding of the physiological role of the underlying protein and disease pathways, which in turn serves as a starting point for developing therapeutic interventions. familial hypercholesterolemia is a hereditary metabolic disorder characterized by high low-density lipoprotein cholesterol levels. hypercholesterolemia is a quantitativ...

Journal: :IEEE Transactions on Circuits and Systems Ii-express Briefs 2022

In this brief, we conduct a complex-network analysis of the Bitcoin transaction network. particular, design new sampling method, namely random walk with flying-back (RWFB), to effective data sampling. We then comprehensive network in terms degree distribution, clustering coefficient, shortest-path length, connected component, centrality, assortativity, and rich-club coefficient. obtain several ...

Background: The link prediction issue is one of the most widely used problems in complex network analysis. Link prediction requires knowing the background of previous link connections and combining them with available information. The link prediction local approaches with node structure objectives are fast in case of speed but are not accurate enough. On the other hand, the global link predicti...

Gary R. Weckman Harry S. Whiting Helmut W. Paschold John D. Dowler William A. Young

Neural networks were used to estimate the cost of jet engine components, specifically shafts and cases. The neural network process was compared with results produced by the current conventional cost estimation software and linear regression methods. Due to the complex nature of the parts and the limited amount of information available, data expansion techniques such as doubling-data and data-cr...

Journal: :Nonlinear Processes in Geophysics 2006

Journal: :The European Physical Journal B 2011

Journal: :The Astrophysical Journal 2020

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