Optimizing the database queries is one of hard research problems. Exhaustive search techniques like dynamic programming is suitable for queries with a few relations, but by increasing the number of relations in query, much use of memory and processing is needed, and the use of these methods is not suitable, so we have to use random and evolutionary methods. The use of evolutionary methods, beca...

When we think on initiatives access to and reuse of data, must consider both the European Intellectual Property Law General Data Protection Regulation (GDPR). The first one provides a special intellectual property (IP) right – sui generis for those makers that made substantial investment when creating database, whether it contains personal or non-personal data. That can be by just person, but, ...

this study defines necessary data elements required for the research information system in the domain of health, and its level of accountability to national health research indicators from the experts' perspective is being explored.this qualitative study was conducted based on comparative approach using the focus group method. data were collected through 6 semi-structured group discussions held...

introduction: one of the common methods for scientific activity assessment is scientometrics. it has been made possible with citation databases like web of science (wos) and scopus. in this paper, we studied the scientific production rate of hamadan university of medical sciences during 11 years via scientometrics methods. methods: in a descriptive, cross-sectional study, data was collected by ...