اثربخشي خدمات اطلاع رساني با ايجاد پورتال دفاعي

THE EFFECTIVENESS OF INFORMATION SERVICES THROUGH DEFENSE PORTAL ESTABLISHMENT

Studying the knowledge and experience of information retrieval specialists shows that, usually, a set of factors affects the search for web-based information, e specially the Internet. It seems that the implementation of web- based technologies, including portal, may facilitate the process of information retrieval and improve the effec­tiveness of information services. So, research was un­dertaken on a sample of employees and users at Malek- Asht.ar University of Technology, Imam Hussein Univer­sity and Dana Information Network information centers, in order to evalnate their views regarding the effective­ness of information services throngh porta) technology implementation. The research was made, based on a hypothesis, in which the correlation between the depen­dent variable of "information services effectiveness" and the independent variable of "establishment of defense portal" was going to be determined. The reliability of the questionnaire used in this research was measured through Kronbachʹs alpha method and by using SPSS software, which showed an alpha coef­ficient of 84%. The hypothesis was measured by the main questions of 10 and 16 and the controller ques­tions of 11 and 12 in the questionnaire throngh Mann- Whitneyʹs U method. This proved a correlation between the two above mentioned variables with a variability of +/- 1% at the 92% confidence level. Also, the meaning­ful correlation between "the effectiveness of information services" and factors such as "information adaptation15, "ease of use", "personalization" and "usersʹ knowledge about web and the Internet" was examined using the Spearman rank-order correlation method. These factors showed 47%, 47%, 42% and 40% coefficients of correla­tion, respectively. Finally, based upon research results, some suggestions were made for the improvement of information service ef­fectiveness through portal technology at the above men­tioned centers. A sample defense portal was designed,