مجله تعامل انسان و اطلاعات
سال نهم شماره 3 (پاییز 1401)

This study investigates the automatic keyword extraction from the table of contents of Persian e-books in the field of science using LDA topic modeling, evaluating their similarity with the golden standard, and users' viewpoints of the model keywords.

This is mixed text-mining research in which LDA topic modeling is used to extract keywords from the table of contents of scientific e-books. The evaluation of the used approach has been done by two methods of cosine similarity computing and qualitative evaluation by users.

Table of contents are medium-length texts with a trimmed mean of 260.02 words, about 20% of which are stop-words. The cosine similarity between the golden standard keywords and the output keywords is 0.0932 thus very low. The full agreement of users showed that the extracted keywords with the LDA topic model represent the subject field of the whole corpus, but the golden standard keywords, the keywords extracted using the LDA topic model in sub-domains of the corpus, and the keywords extracted from the whole corpus were respectively successful in subject describing of each document.

The keywords extracted using the LDA topic model can be used in unspecified and unknown collections to extract hidden thematic content of the whole collection, but not to accurately relate each topic to each document in large and heterogeneous themes. In collections of texts in one subject field, such as mathematics or physics, etc., with less diversity and more uniformity in terms of the words used in them, more coherent and relevant keywords are obtained, but in these cases, the control of the relevance of keywords to each document is required. In formal subject analysis procedures and processes of individual documents, this approach can be used as a keyword suggestion system for indexing and analytical workforce.

The purpose of the current study is to create and validate the information literacy experience questionnaire in the workplace with an emphasis on activity theory.

This study is a functional approach and a survey method was used. The current research is quantitative research that was conducted with the tool design approach. In this research, to investigate the psychometric characteristics of the questionnaire, the stratified random sample method of 86 employees of different educational groups of Ferdowsi University of Mashhad In 2020-2021 was used. Also, questionnaire construction methods such as content and face validity and confirmatory factor analysis were used to check to construct validity. To check internal consistency, Cronbach's alpha was used. In this research, smart pls and SPSS statistical software were used to analyze the data.

The content and face validity index of the scale obtained the desired value. Also, the value of statistics in all cases is greater than 1.96, and in the factor loading, all factors were confirmed with a suitable level of explanation in the factor analysis (greater than 0.4). Cronbach's alpha for all factors was an acceptable value of 0.7 to 0.9.  

The results indicate the influence of information literacy experience factors according to activity theory. The scale designed to study the experience of information literacy in the workplace according to the factors of activity theory is considered appropriate. It is recommended to measure the new concept of information literacy, that is, the experience of information literacy that deals with activity theory.

This research has been done to investigate relationships in information technology outsourcing in strategic policy with an interactive approach at Islamic Azad University.

The present research is in terms of the library-field environment, in terms of practical purpose, in terms of the time of cross-sectional data collection, in terms of the descriptive-survey research implementation method, and is correlational and causal. The statistical community of the research in the qualitative part includes 16 professors, managers, and senior experts in the field of information technology as well as professors, managers, and senior experts in the field of investment and development of Islamic Azad University and the quantitative part it includes all employees, managers and senior experts in the field of information technology and The Vice President of Development and Investment of the Islamic Azad University of Tehran was 260 people, which was calculated based on the Cochran formula, the sample size was 155 people. A simple random method was used to select the samples. Structured interview tools and a researcher-made questionnaire were used to collect data. The reliability of the questionnaire was calculated based on Cronbach's alpha coefficient of 0.733.

The research findings showed that There is a positive and meaningful relationship between IT system performance, system support services, information technology, information technology application gap, strategic importance, organization and project characteristics, and supplier and project characteristics.

According to the results of this study, it can be said that IT outsourcing can increase organizational effectiveness, provide better services and reduce costs.

The purpose of this research is to investigate the effect of increasing positive mood and academic-emotional, behavioral and cognitive enthusiasm on the decision-making power in interacting with information in technical engineering male students of Noushirani University.

The research method is descriptive and correlational. The statistical sample in this study is 70 available samples from Noushirani technical engineering male students in the academic year 2019-1400. The sampling method in this research is simple random. To determine the sample size in this research, the Kargesi Morgan table was used. To collect data, the questionnaire of effective factors in increasing positive mood and the academic enthusiasm scale - behavioral, emotional, and cognitive enthusiasm and the decision-making power questionnaire were used. Data analysis was done using software (PLS).

The results indicated that the effect of positive mood on decision-making power had a significant value of 7.743, which is significant at the 95% confidence level. The effect of academic enthusiasm on decision-making power has a significant value of 8.579, which is significant at the 95% confidence level, so the researcher's claim is confirmed with a probability of 95%. Also, all three components of this variable, including behavioral passion-emotional passion, and cognitive passion, have had a positive and significant impact on decision-making power at the 95% confidence level. Based on this, it can be said that the two variables of academic enthusiasm and positive mood together affect decision-making power by 86.9%.

All three components of academic enthusiasm, including behavioral enthusiasm, emotional enthusiasm, and cognitive enthusiasm, had an impact on decision-making power. Also, a positive mood has a positive effect on decision-making power.

Information counselors have different tasks depending on the different roles they can take on in libraries or other organizations. These tasks are based on the needs of the organization and, of course, current developments, especially in the field of emerging technologies. The first task of an information consultant in an organization can be to help determine the policies and information needs of that organization. The purpose of this study is to determine the model of desirable job competencies for holding an information consulting job in Iran.

This research was applied in the fall and winter of 2019 using thematic analysis and Delphi analysis methods. The research community in the first part includes texts in the field of information consulting and two parts of Delphi include experts and experienced people in the field of information consulting. In this research, a coding list and two questionnaires for Delphi panels have been used as data collection tools. SPSS software was also used for data analysis.

Findings showed an increase in the score of all types of individual competencies, knowledge, and skills at the advanced level compared to the basic level. Moreover, the average merit scores in both levels were higher than the average level. This finding indicates that despite the high importance of all competencies at both professional levels, the importance of many competencies is higher at the advanced level, where more complex responsibilities are envisaged for IT consultants.

In the research model, the types of individual competencies, knowledge, and skills required at both the basic and advanced professional levels are introduced. It should be noted that providing specialized training to job applicants such as information counseling can strengthen their desirable job competencies. Therefore, when starting to work in professions such as intelligence consulting, applicants should have an acceptable level of competence and experience the additional training, knowledge, and skills needed to take on higher and more complex levels of responsibilities

Due to increasing the amount of information and the importance of applying images in various fields, the significance of visual literacy is obvious and research showed that visual literacy has a positive effect on learning. So, the purpose of this study was to determine the importance of visual literacy and to identify the necessity of its use in education and learning, as well as to dictate the components of visual literacy to improve learning.

Using the library method and utilizing descriptive research method, the literature in the field of visual literacy has been reviewed

Visual literacy is typically considered as an ability to evaluate, analyze and interpret the meanings of images and their use, also as a main concept is contemplated.

Visual literacy standards help us study, analyze, understand, and recognize visual elements based on a reasonable and pre-defined framework. It makes people benefit more appropriately from information resources in the form of symbols and images. The concept of visual literacy is evolving and requires more advanced tools. Therefore, students must be acquainted with the tools of this technique.