In this paper the design and implementation of fault tolerable architecture for scientific workflow engines is presented. The engines are assumed to be implemented as composite web services. Current architectures for workflow engines do not make any considerations for substituting faulty web services with correct ones at run time. The difficulty is to rollback the execution state of the workflo...

Introduction. Shiraz university of medical sciences presents surgical facilities in two services, the morning and the afternoon services. In this study,the number and type of ENT operations performed in these two services during a 12 months period in Khalili Hospital were compared to find out the differences between the operations performed in these services and the role they have in the edu...

Because of the need to develop specific measurement scales for different services industries, this study aimed to empirically develop a reliable and valid model specifically for measuring mobile telecommunication service quality. A multidimensional measurement model (MS-Qual) has been proposed based on an extensive literature review and then, to assess the model validity, convergent and discrim...

the purpose of the study is to evaluate the service quality of islamic azad university of mazandaran. the study was a descriptive survey. the statistical population consists of all islamic azad university students of mazandaran and 373 students were chosen through stratified random sampling method as the sample of the study. the data were collected using the servqual standardized questionnaire....

in the current engineering practices, buildings are commonly designed for an effective lifetime of 50 years. this lifetime can increase the cost of buildings with short lifetimes and can reduce the safety level of buildings with large lifetimes. in this paper, a “service-life factor” has been defined. applying this factor into the nominal values of live, earthquake, wind, and snow loads, the ef...

due to the importance of “service quality and customerssatisfaction” subject, this study seeks to investigate and prioritize thefactors which are effective on service quality and customers satisfactionusing grey relational analysis (gra) method. in the case of statisticalpopulations with large sizes, none of the other methods can competewith gra from the viewpoint of calculation accuracy. the s...

The type of the applications for which Internet is being used has changed over the years. Multimedia applications, Real-time applications and Game playing require Quality of service. IEEE has proposed IEEE 802.11e, a quality of service extension to the wireless LAN standard IEEE 802.11. In this paper service differentiation ability of 802.11e is evaluated. Identical traffic is considered for al...

this paper examined disagreement in two sets of data in the context of service encounters: problem-solving interactions (doctor-patient communication) and purchase-oriented encounters (pharmacies) from a cross-cultural perspective (spanish-british english). we proposed assertiveness, a term that refers to both socio-psychological and linguistic features of communication, as a concept that may h...

introduction: several mechanisms were introduced as causes of serum creatinine phosphokinase (cpk) raise in intoxicated patients. this study aimed to assess the relationship between serum cpk level in the first 24 hours and baseline characteristics as well as outcomes of these patients. methods: this one year retrospective cross-sectional study was conducted on all intoxicated patients, who wer...

for any organization sound marketing strategy and quality assurance play vital role in the growth of the organization. the price, quality and service, service centers, friendly attitude, discounts on sales, esthetics, store location and appearance, ease of operations, guarantees and warranties, adopting new ideas, and flexible payments terms were considered to study the perceptions of the respo...