purpose: web sites are considered as an important tool on the internet and it has an important role in the utilization of students from the internet. in this study, we tried to evaluate iranian schools web sites. method: research population consists of 122 school websites. we used a check list for evaluation of school websites. findings: we found that all aspects of iranian school websites (aut...

disseminated tuberculosis (tb) is commonly seen in hiv-infected patients and is major cause of death in these patients. in hiv-infected patients disseminated tuberculosis is frequently undiagnosed or misdiagnosed. in this article we report a case of disseminated tb in a hiv-infected patient with a relatively long history of fever and other complaints without definite diagnosis. diagnosis of dis...

Due to the advancement in information technology and boom of micro-blogging platforms, a growing number online reviews are posted daily on product distributed platforms form spontaneous insightful user feedback, these can be used as significant data source understand experience (UX) satisfaction. However, despite vast amount reviews, existing literature focuses ratings ignores real textual cont...

the main challenge of a search engine is ranking web documents to provide the best response to a user`s query. despite the huge number of the extracted results for user`s query, only a small number of the first results are examined by users; therefore, the insertion of the related results in the first ranks is of great importance. in this paper, a ranking algorithm based on the reinforcement le...

user financial incentives (ufis) have emerged as a powerful tool for health promotion. strong evidence suggests that large enough incentives paid to individuals, conditional on behaviour they can control, encourages more of the desired behaviour. however, such interventions can have unintended consequences for non-targeted behaviours. implementation difficulties that result in individuals not u...