Objective: Information visualization is the study of interactive depictions of abstract and data to\nstrengthen the human cognition. Designing an appropriate information visualization system may\nbe very useful technique for scholars, who intent to get scientific information from digital libraries.\nThe objective of current study was to map and visualize the key-information of dissertations in\nacademic libraries. To achieve the aim, an information retrieval system was designed to present\nthe interactive graphic view of dissertations� subjects in academic. Methods: An information retrieval\nsystem was designed by information visualization toolkit that presents the related subjects\nof dissertations in academic libraries. In addition, the satisfaction-levels of library-users were\nanalyzed by administrating a standard questionnaire (QUIS Questionnaire). Results: The study\nindicated that the designed IR system helped to provide a user-friendly environment through\ndisplaying subjective relations of dissertations, overwhelming variety of colors in displaying\ninformation. Fast and easy access to the cover-to-cover information of dissertations and userinteraction\nfacilities are the advantages of designed IR. Analysis of data furthermore indicated\nthat the users� satisfaction from the system was from medium to high grade. Conclusion: Designing\nthe IR-system revealed an excessive influence on users� satisfaction; therefore, proposing such\nsystems for employing in academic libraries is very suitable and its implementation is necessary.
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