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Search Results: 1 - 2 of 2 matches for " Mazeiar Salehie "
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Engineering Adaptive Digital Investigations using Forensics Requirements
Liliana Pasquale. Yijun Yu,Luca Cavallaro,Mazeiar Salehie,Thein Than Tun,Bashar Nuseibeh
Computer Science , 2014,
Abstract: A digital forensic investigation aims to collect and analyse the evidence necessary to demonstrate a potential hypothesis of a digital crime. Despite the availability of several digital forensics tools, investigators still approach each crime case from scratch, postulating potential hypotheses and analysing large volumes of data. This paper proposes to explicitly model forensic requirements in order to engineer software systems that are forensic-ready and guide the activities of a digital investigation. Forensic requirements relate some speculative hypotheses of a crime to the evidence that should be collected and analysed in a crime scene. In contrast to existing approaches, we propose to perform proactive activities to preserve important - potentially ephemeral - evidence, depending on the risk of a crime to take place. Once an investigation starts, the evidence collected proactively is analysed to assess if some of the speculative hypotheses of a crime hold and what further evidence is necessary to support them. For each hypothesis that is satisfied, a structured argument is generated to demonstrate how the evidence collected supports that hypothesis. Our evaluation results suggest that the approach provides correct investigative findings and reduces significantly the amount of evidence to be collected and the hypotheses to be analysed.
Effect of Cryptococcal Capsular Compounds on Blood Coagulation in Animal Models
AR Salehie-Nodeh;N Ashkanizadeh;MR Nikooie-Mogaddam;A Mirshafieii
Iranian Journal of Public Health , 2005,
Abstract: Glucoronoxylomannan (GXM) is the most important compound of polysaccharide capsule in Cryptococcus neoformans that causes infection in its recognition as a foreign agent by immune system. Because of its similarity with some naural compounds such as heparin and hyaloronic acid, this study was undertaken to determine the effect of polysaccharide compounds on blood coagulative process and renal performance in two groups of laboratory animals including Guinea pig and rat via interaperitoneal injection of cuture filtrate Cryptococcus neoformans’s var. gattii. The results of coagulation tests (PT, PTT, CT and BT) and the renal histopathological changes compared with control group. Insignificant difference between related tests in control and test groups were observed, therefore results of this research proposed capsular compounds have no effect on blood coagulative process and renal performance in persons who involved in cryptococcosis.
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