with the explosive growth in amount of information, it is highly required to utilize tools and methods in order to search, filter and manage resources. one of the major problems in text classification relates to the high dimensional feature spaces. therefore, the main goal of text classification is to reduce the dimensionality of features space. there are many feature selection methods. however...

Background: In order to check the practicality of classification of Universities of Medical Sciences (UMSs) based on their infrastructures, and scientific contributions, this study explored the most appropriate indicators to measure the size and productivity of UMSs. Methods: In the first phase, we approached a group of experts who had a deep experience in the management of UMSs and in the mini...

in recent years, the implementation of integrated information systems in the iranian public sector has significantly increased. this is of more importance in holdings and multi-branch organizations. considering the fact that the cost, time-span and quality of implementation of these systems, has a dramatic impact on public sector effectiveness, therefore, identification and classification of fa...

as the information carried in a high spatial resolution image is not represented by single pixels but by meaningful image objects, which include the association of multiple pixels and their mutual relations, the object based method has become one of the most commonly used strategies for the processing of high resolution imagery. this processing comprises two fundamental and critical steps towar...