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...

insurers have in the past few decades faced longevity risks - the risk that annuitants survive more than expected - and therefore need a new approach to manage this new risk. in this dissertation we survey methods that hedge longevity risks. these methods use securitization to manage risk, so using modern financial and insurance pricing models, especially wang transform and actuarial concepts, ...

nowadays, air pollution is a global problem that has had significant growth by technology development, population growth andindustrial development. industrial development brought natural resources deterioration, more manufacturing products, and more environmental pollutants. if pollutant won’t be controlled, human-being and wildlife will face the critical risks. significant release and critical...

it is definitely necessary to understand the concept and behavior of causation of life insurance policies and its determinants for insurance managers, regulators, and customers. for insurance managers, the profitability and liquidity of insurers can be increasingly influenced by the number of causation through costs, adverse selection, and cash surrender values. therefore, causation is a materi...

The focus of this research, due to the importance of human resource risks issues, has been on providing an analytical qualitative model to optimize the human resource risk management.  In order to carry out the project, twenty samples were selected among faculty members and top managers in related fields. Fuzzy Delphi and interpretive structural modeling were used to analyze the data. The findi...

The present study aimed to design a model of human resources risks assessment and ranking using the neuro-fuzzy approach as one of the methods of artificial intelligence in Iran national Gas Company. Three main steps were taken to achieve this goal: the first step was to identify the evaluation criteria that were achieved by literature reviews and the theoretical foundations of the research bas...