Many application scenarios, e.g., marketing analysis, sensor networks, and medical and biological applications, require or can significantly benefit from the identification and processing of similarities in the data. Even though some work has been done to extend the semantics of some operators, e.g., join and selection, to be aware of data similarities; there has not been much study on the role...

Ameta-evaluation is an assessment of evaluation practices.Meta-evaluations include assessments of validity and usefulness of two or more studies that focus on the same issues. Every performance audit is grounded explicitly or implicitly in one or more theories of program evaluation. A deep understanding of alternative theories of program evaluation is helpful to gain clarity about sound auditin...

performance evaluation is one of the most important management agendas as key to achieving continuous improvement in the ability to evaluate the ongoing performance of the organization. many organizations have realized the importance of ongoing evaluation of performance and performance appraisal systems employ a variety of organizations. in this regard between 1850 and 1975, only on the basis o...

Wireless sensor networks have a wide range of applications and can be used for various purposes in different environments. Wireless sensors are small and they are mostly using battery supplies. Communication, sensing and computing have the most influence on performance and power consumption of wireless sensor networks. In this paper we describe layered architecture of wireless sensor network pr...

maleki mr1 (phd), nasrollahpour shirvani sd1 * (phd candidate), motlagh me2 (md), tofighi s3 (phd), kabir mj4 (phd candidate), jafari n4 (md)     1 department of health services management, faculty of management and medical sciences,   iran university of medical sciences, tehran, iran   2 department of pediatrics, jendishapour university of medical sciences, ahvaz, iran   3 department of health...

the present study was conducted with the aim of identifying and evaluating the internal and external factors, affecting the sina trauma and surgery research center, affiliated to tehran university of medical sciences and propose some of related strategies to senior managers. we used a combined quantitative and qualitative methodology. our study population consisted of personnel (18 individuals)...