the purpose of this study was to evaluate the web pages of islamic world science citation center (isc), the islamic countries sci using nielsen`s heuristic principles and was performed during september 2012. among nielsen`s 10 usability heuristic principles, five were covered. five professional evaluators were asked to evaluate the database using nielsen`s five criteria. the total average of se...

introduction: consumers have referred to the web to learn how they can improve their health, prevent disease and learn details about specific diseases. while efforts are being made to monitor information found on the web especially with the emergence of her: electronic health record in iran, they are not enough to cover every web site with health information. as a result, it was decided to eval...

As moving to big data world where data is increasing in unstructured way with high velocity, there is a need of data-store to store this bundle amount of data. Traditionally, relational databases are used which are now not compatible to handle this large amount of data, so it is needed to move on to non-relational data-stores. In the current study, we have proposed an extension of the Mongo...

Implicit Social Network is a connected social structure among group of persons, where two them are linked if they have some common interest. One real-life example such networks the implicit network customers an online commercial house, there exists edge between like similar items. Such often useful for different applications as target advertisement, viral marketing, etc. In this article, we stu...

Current social recommendations based on Graph Neural Networks (GNNs) often neglect to extract rating bias from user and item statistics, leading misinterpreting real preferences. For example, a high with lenient standards average does not always indicate preference for the item. This situation highlights inherent flaws in existing recommendation algorithms that do adequately account ratings tre...