among structured peer-to-peer systems, chord has a general popularity due to its salient features like simplicity, high scalability, small path length with respect to network size, and flexibility on node join and departure. however, chord doesn’t take into account the topology of underlying physical network when a new node is being added to the system, thus resulting in high routing latency an...

abstract— peer-to-peer ( p2p ) systems have been the center of attention in recent years due to their advantage . since each node in such networks can act both as a service provider and as a client , they are subject to different attacks . therefore it is vital to manage confidence for these vulnerable environments in order to eliminate unsafe peers . this paper investigates the use of genetic ...

background: the purpose of this study was to evaluate the effectiveness of peer education among university students for reproductive health promotion based on researchers' experiences. methods: this interventional study was conducted in qazvin university of medical science during 2002 to 2004 through stakeholders' partnership and selection of 24 volunteer students according to their knowledge, ...

background: despite more than a decade experience of annual student congresses in iran, major scientific writing weakness still exists in students’ abstracts submitted to the annual research congress of iran’s medical sciences students (arcimss). assessment of these abstracts can provide information on common scientific writing errors and subsequent development of abstract quality for the futur...

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abstractin the present study, attempt has been made to examine the effectiveness of peer and teacher scaffolding in reading comprehension of intermediate efl students in symmetrical and asymmetrical groups. to do so, sixty intermediate students were purposively selected out of 150 intermediate students in hamadan islamic azad university and kish language institute in hamadan. they were divided ...