نشریه بازیابی دانش و نظام های معنایی
پیاپی 9 (زمستان 1395)

The main aim of current study was to investigation the scientific collaboration and co-authorship patterns of researchers in the field of library and information science in Web of Science Core Collection database during years 2006 and 2016. A total number of 2806 papers in the form of articles were extracted and went under analysis. The Science of Science and CiteSpace tool were used for mapping the co-authorship and co-organization network of papers.
Analysis of data showed that USA, China, and England were the most productive countries publishing papers in the field of library and Information Science. According to the scattering law of Bradford, the Journal of the American Medical Informatics Association was the most productive journal among core-journals.
The study furthermore showed that some American authors (Venkatesh, Kauffman, and Bates) played strategic rolls in creating the major components of co-authorship network in the field of library and information science.
The study concluded that in spite of the importance of collaborating teams in research activities that positively lead to the high quality publications, the collaboration among authors in the field of library and information science fields was weak and negligible.

This study is set to analysis scientific collaboration network of Iranian researchers in the social sciences. The data extracted from Web of Science since the appearing first publication (with an affiliation to an Iranian university/institute) to the end of 2014. Statistical population consists of 9318 articles. Scientometrics methods and network analysis indicators were used to do the study. Bibexcel, HistCite, and VOS Viewer software were used to analyze the data. The results showed that the co-authored articles in the field of social sciences, has been increased during the period of study. Iran stands at the third position in Middle East after Israel and Turkey. Most collaborative countries with Iran were USA, UK and Canada. The result showed that Inter-institutional collaboration was 46.08 percent and Intra-institutional collaboration was 24.55 percent, and international collaboration was 22 percent. Overall results indicated the average collaboration coefficient was 64%, and the trend has been increasing which indicates an increased willingness by Iranians authors for cooperative papers. The most dominated model of authorship was two and three authored-articles respectively.

The purpose of this study, content analysis of informetrics, bibliometrics, scientometrics and webometrics Books and Theses in the world.
Research This study is an applied research that done by content analysis method. Statistical population consisted of 730 English books in the Amazon's database and 1069 English thesis in the Proquest database that classified in 15 subject categories. Data were collected by checklists and analyzed by Excel software’s.
Findings: The findings showed that more books of informetrics, bibliometrics, scientometrics and webometrics are compilation and publication trends of them are ascending and more thematic approach of them are analysis of patents, citation analysis, bibliometric and scientific communication. Also theses publishing trend are ascending that the most thematic approach of them are scientometric, citation analysis, bibliometric, webometrics, scientific communication and researcher’s performance evaluation and the lowest thematic approach of books and theses in the world are informetrics, scientific collaboration, co-citation, co-authorship, information visualization and knowledge, website evaluation and journals impact factor. In addition, most researches of informetrics, bibliometrics, scientometrics and webometrics in the world done in the field of computer science, higher education, management, information technology and library and information science and the lowest done in the fields of Ethics, history, philosophy, law, women's studies, nanotechnology, psychology, physics, chemistry, religion, math, entrepreneurship, geography, patent analysis, biology, chemistry, ecology and statistics.
The results showed that subject of informatics, bibliometrics, scientometrics and webometrics books and thesis in the world is based on citation analysis and of subjects is a more distribution.

The aim of current research is to study the feasibility for initiating the Virtual reference services in public libraries of Guilan Province under the authority of Iran Public Libraries Foundation.
This study was applied using the descriptive survey research method. Data gathering done by 2 questionnaires: one for the heads of the libraries and another for the librarian and library authorities. The research population was 65 active libraries established in the Guilan Province. Data analysis was done using descriptive analysis by Microsoft Excel and SPSS softwares.
Findings: The results showed that More than two third of surveyed librarians have necessary skills for this purpose. Majority of surveyed libraries have no problem for the Virtual reference services in regard to the technical equipments based on the selected software for this purpose, but there is a shortage in electronic data bases and resources to satisfy the information needs of users. There is no special budget for the establishment of such service at present and it is the main problem of the libraries.
Totally We can Conclude, Public Libraries Located Guilan Province, by Providing Electronic Resources and Databases Required, are Able to Launch Virtual Reference Services.

Many studies show that the Semantic Web and its applications do not make sense. The purpose of this study was to investigate giving meaning to weave through the application of theories such as the theory of conceptual spaces. The reason for use this theory is that this theory examines the representation of knowledge and semantic construction and is concerned about how make the meaning of words and use them in the context of conceptual space.
research is applied research and way of doing it is analytical.
The results showed that the Semantic Web as a approach for knowledge representation must be explain knowledge cognition axis on its current structure and note the user, context and cognitive conditions, tools in understanding how structured and how the meaning of words in context by humans and put it in its own structure. Theory of conceptual spaces by having the geometric structure of concepts and relationships between them can be placed in different contexts.

This study aimed to assess the quality of user interaction and digital library system Pasteur Institute accomplished by using the tool DJ Qual. The present research is an applied research and in terms of gathering data is descriptive -Pymayshy. The statistical population included study population consisted of faculty members constitute the Pasteur Institute that their number is 177 people. Using Cochran sampling formula, 118 members were selected as sample population. In order to collect primary data research, field study (questionnaire) used questionnaires have been drawn from the standards for evaluating the quality of library services Institute Pasteur DJ Cola localization. Results showed that users in status and in the optimum level of availability, reliability, accuracy, coverage, active links, browsing and organizing digital library of the Institute Pasteur technical aspects of consent Darned..byshtryn the difference between current and desired status variables active links and minimal friction 1 /83 with 0/34 dedicated to the variable accuracy

Today, given the growing advances in technology, smartphones have become one of the means of accessing information. The purpose of this study is to investigate the information-seeking behavior in the mobile environment by analyzing PhD student smartphone users’ behaviour at Shahid Chamran University of Ahwaz. The study is descriptive and is based on a survey. A researcher-constructed questionnaire is used to collect the data. The statistical population of this research is 285 PhD students at Shahid Chamran University of Ahwaz enrolled in 2016. The findings suggest that smartphones are used predominantly for connecting to social media, chat, voice calls and Internet access. After Laptops, smartphones are the most widely used tools for accessing the news, seeking information for academic research and reading e-books and articles. The results also show that some of the most important advantages of smartphones are continual information exchange, immediate access to information from anywhere, multi-tasking option and quick searching for information.