نشریه مطالعات کتابداری و علم اطلاعات
سال هفتم شماره 2 (پیاپی 17، پاییز و زمستان 1394)

This paper tries to investigate people’s mental model in utilization of an IS as a field of research.
This is a conceptual and theoretical study developed on the basis of concept analysis and literature review, conceptualizing mental model and the factors affecting it in the context of information systems in researchers’ views.
Results/Findings: The results of the study showed that most of the research was conducted with a qualitative approach using Repertory Grid Technique (RGT) and semi-structured interview. Also, despite close relationship existing between Human-Computer Interaction and Information Behavior, less regarded were theories in this area and the factors shaping and affecting people’s mental model. Although some research pointed to the gaps existing among beneficiaries’ mental models, comparison of different mental models and considering the most important factors such as experience, education, and career background effective on mental models are also very important.

Due to the importance of public library clients, this study segments Shahid Dastgheyb Public Library clients in Shiraz city based on their lifetime values and their RFM models.
In order to implement the proposed research methods, first amounts of the RFM indicators including recent use (R) and Frequency of use (F) were determined. Since library clients do not have any monetary values for the library, the third indicator of model (M) that concerned the monetary aspect was ignored and a new indicator called clients Registration Record (RR) was considered.The clientele information was extracted from the public library’s database and preprocessed. After weighing these three indicators, using the Analytic Hierarchy Process, clients were segmented by Self-Organizing Map. Then lifetime value pyramid was plotted by which clusters of the key and valuable clients were identified.
Findings: Among the three indicators of the RFM model, Frequency of use (F) proved to be the most important and Registration Record (RR) the least important determinants of the values of clients. The clients under study were divided into five clusters. Based on the lifetime value pyramid, the most valuable clients fell in cluster 4 which includes only 3 percent of all clients. These clients were those who recently used the library, their usage frequencies were high and had a longer registration record.
Having identified the key and valuable clients, some suggestions were presented to improve the services considering the client’s value to library

The main purpose of this work is to study the concept of information management (IM). It is important to consider the essence and nature of IM, because it is the basis for other research relating IM. Since the data source is capable of expansion, proliferation, and continuously changing, so it can cause major changes in the organizational entity or individuals.
For extracting the definition and history of IM, printed and electronic resources were examined. Therefore, four databases, namely Emerald, Science Direct, ProQuest and Web of Science (WoS) were examined and searches were done with exact phrase “information management”.
Information management is defined as: using management principles and tools in information process for accessing and valuing information, in suitable place, time and format with less expense for suitable person in order to improve his/her decision making and upgrading.
Various definitions of IM have a look at various aspects of this concept. It seems that due to the changing nature of information and its different roles, definition of IM is constantly varying according to the time requirements

The main purpose of this study was to investigate historical trends of user education in libraries. It also attempted to ask librarians to assess their readiness to train their users.
This research was conducted in two phases, following a descriptive-analytical approach. In the first part the relevant materials were examined. For the second part, a questionnaire was developed which consisted of 23 questions and proved to be valid and reliable with a Cronbach’s Alpha calculated as 0.90. The research population consisted of all 80 librarians of both universities; however, 56 questionnaires were used in data analyses.
Findings/ The results showed that librarians at both universities found their capabilities in training users as “to some extent” and the only item with high competency was “enjoying teaching”.
Due to the widespread and increasing presence of new information and communication technologies, and because of absolute necessity of teaching library users, it is essential for academic libraries to offer theoretical education and training to librarians to familiarize them with topics and with teaching principles. This will pave the path to more productivity of the library resources and services, as well as to promote librarians social status.

The purpose of this study was to investigate the changes in establishment and expansion of infrastructures of information and communication technologies globally. Thus, components such as users of the Internet, access, speed and bandwidth, Internet penetration rate, cost, distribution and development of information and communication technologies have been considered in different countries.
This is a review of the literature which includes both Persian and English works in this field; it also used the information stored in UNESCO and International Telecommunications Union’s (ITU) information databases.
Findings and The results showed that the infrastructures in developed and developing countries are superior to that of underdeveloped countries; they are far ahead of these countries in every component studied. Different political, social, economic, and cultural factors have played a role in this development; however, the economic factor, expensive new information technologies in particular, which uses a high proportion of Gross National Product (GNP) of developing countries is the major factor and reason for lowInternet users per hundred population and insufficient development of these infrastructures in these countries. The results showed that although the gap between developed and underdeveloped countries in this regard is considerable, it is obvious that during recent years we have witnessed a reasonable movement in underdeveloped countries to be equipped with necessary infrastructures to achieve their goals.

The purpose of this study was to investigate the changes in establishment and expansion of infrastructures of information and communication technologies globally. Thus, components such as users of the Internet, access, speed and bandwidth, Internet penetration rate, cost, distribution and development of information and communication technologies have been considered in different countries.
This is a review of the literature which includes both Persian and English works in this field; it also used the information stored in UNESCO and International Telecommunications Union’s (ITU) information databases.
Findings and The results showed that the infrastructures in developed and developing countries are superior to that of underdeveloped countries; they are far ahead of these countries in every component studied. Different political, social, economic, and cultural factors have played a role in this development; however, the economic factor, expensive new information technologies in particular, which uses a high proportion of Gross National Product (GNP) of developing countries is the major factor and reason for lowInternet users per hundred population and insufficient development of these infrastructures in these countries. The results showed that although the gap between developed and underdeveloped countries in this regard is considerable, it is obvious that during recent years we have witnessed a reasonable movement in underdeveloped countries to be equipped with necessary infrastructures to achieve their goals.