background: knowing the rate of overlapping in results obtained from information retrieval tools is important to prevent waste of time. medical and health-related information has an outstanding place among the variety of information available on the internet. hence, this research aimed to study the rate of overlap among medical search results derived from mesh (medical subject headings) in gene...

inappropriate use of drugs is a widespread problem with serious consequences such as increased adverse drug reaction and antimicrobial resistance. proper interventions would have important financial and public health benefits. several studies have been performed about rational drug use (rud) in iran. to provide a picture of researches were done about rud and highlight the existing gaps in pract...

0

in this research the degree to which search abilities have been inserted into the search engines of persian and non-persian e-journals has been investigated. 97 persian e-journals (pej) and 30 non-persian, in this case english, e-journals (eej) represent the research population. the required data were gathered through designing a checklist, which was filled out for each pej and eej. the results...

this study aimed to evaluate persian search engines based on the criteria obtained from alexa databank using correspondence analysis. through searching the web, 23 search engines were found, which due to their cease and no coverage by alexa, this number was reduced to 16. data analysis revealed that ghatreh search engine occupied a high rank in most of attributes like traffic rank, time spent o...

today, with rapid growth of the world wide web and creation of internet sites and online text resources, text summarization issue is highly attended by various researchers. extractive-based text summarization is an important summarization method which is included of selecting the top representative sentences from the input document. when, we are facing into large data volume documents, the extr...

introduction: users’ performance and their interaction with information retrieval systems can be observed in development of their mental models. users, especially users of health, use mental models to facilitate their interactions with these systems and incomplete or incorrect models can cause problems for them . the aim of this study was the adjustment and development of health user’s mental m...

this paper presents a strategy for using harmony search algorithm in facility layout optimization problems. in this paper an adapted harmony search algorithm is developed for solving facility layout optimization problems. this method finds an optimal facility arrangement in an existing layout. two real-world case studies are employed to demonstrate the efficiency of this model. a comparison is ...

conclusions as literature research is one of the most important stages of research, it's better for researchers, especially substance-related disorders scholars to use different search engines with the best recall, preciseness and importance in that subject field to reach desirable results while searching and they don’t depend on just one search engine. results results have shown that the ...