Amir Hossein Ghapanchi

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Rolling-element bearing failures are the most frequent problems in rotating machinery, which can be catastrophic and cause major downtime. Hence, providing advance failure warning and precise fault detection in such components are pivotal and cost-effective. The vast majority of past research has focused on signal processing and spectral analysis for fault(More)
One of the main applications of information and communication technologies in healthcare sector is Electronic Medical Record (EMR). EMR systems are expected to make benefits for healthcare providers, professionals and the health population as a whole. Actually, the EMR benefits cannot be achieved without the adoption of the system by users in the(More)
Open source software (OSS) products have been widely adopted by commercial as well as government organizations. However, despite their increased adoption, many OSS projects still fail in responding to users’ quality needs such as resolving software defects. Hence, this paper investigates the responsiveness of OSS projects to users’ needs in terms of(More)
The term electronic government (e-government) mainly refers to the information and communications technology (ICT) usage to modify structures and procedures of government agencies. Acknowledging the necessity of utilizing the new electronic, information, and communication technologies, the movement toward implementation of e-government in Iran has recently(More)