purpose:the user interface of federated search engines is very important because it can make effective search, retrieval, and user interaction with the system. . identifying the most important indicators of the federated search engine user interface is a solution to enhance the applicability of the search engine interface. the purpose of this study was to examine the role of search, screen, nav...

comparative study on toxoplasma serology among hiv positive and hiv negative illicit drug users in ahvaz, iran

injection drug use has been the most growing rout of drug abuse in iran in the past decade and it has been responsible for the transmission of hiv virus in more than two third of cases. the aim of the present study was to determine the prevalence of hiv and hepatitis b in a group of idu cadavers and to compare the results to a group of cadavers of the normal population. in a case-control study ...

frbrizing opacs is viewed from two different angles: the system approach and the user approach. the first deals with different requirements of a system to be frbrized automatically. the second regards the user as the integral element which any system attempts to serve. due to the very huge number of marc records stored in our opac databases, data mining marc records to find different frbr entit...

web search engines are one of the most popular tools on the internet which are widely-used by expert and novice users. constructing an adequate query which represents the best specification of users’ information need to the search engine is an important concern of web users. query expansion is a way to reduce this concern and increase user satisfaction. in this paper, a new method of query expa...

while the growth of mis investment and its influence is making mis evaluation ever more indispensable, little attention has been paid to assessing and communicating system effectiveness. this paper attempts to empirically assess the effectiveness of integrated human resource information system in iranian oil industry. as suggested by recent research, the widely accepted is success model is ba...