content discovery is one of the fundamental issues that determines the architecture and performance of content distribution networks based on peer-to-peer (p2p) networks. to administrate the costs and discoveries, peers of a p2p network communicate with each other by one or more overlay layers. the condition of node’s relations in overlay networks, have a great impact in efficiency of networks....

The occurrence of landslides has always been a problem in spatial planning as an environmental threat. aim the present study was to zoning landslide sensitive areas Urmia Lake Basin and investigate correlation between characteristics region amount landslide. To achieve these purposes, situation investigated using combination Fuzzy Analytical Network Process (ANP) methods. criteria' weight is ob...

background due to burgeoning population, solid waste site selection is one of the most crucial issues in waste management system. regarding the complexity of waste management systems, the convenient solid waste site selection involves considering multiple alternative solutions and assessing different criteria. objectives the current study, aimed to select the fuzzy logic method as one of the mo...