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Social networking sites (SNSs) are gaining popularity in various areas. Library and information services also are attempting to utilize them for increasing the library user traffic. Considering the lack of SNS studies in academic library services and various SNS usage patterns according to user type, it is necessary to compare the usage patterns across different user groups. This paper thus aims to explore the usages of a SNS by different university users.

Data were collected through semi‐structured and open‐ended interviews conducted with undergraduates, graduates, and faculty members at Yonsei University in Seoul, South Korea. Data were analyzed according to the three groups (undergraduates, graduates, and faculty members) and within each group SNS user perception and use were examined across the three different user activity groups (active users, semi‐active users, and non‐active users).

The analyses indicated that the three groups of users demonstrated distinct patterns of SNS use. Although undergraduates used the profile service more than the community service, graduates used the community more than the profile service. Most faculty members were not active users. Six factors that affected these different usage patterns were identified: desire for expression, peer influences, familiarity with information technologies, sensitivity to privacy, nature of using the internet, and perception of the SNS.

A differentiated approach is necessary for SNS‐based academic library services.

The paper makes useful and initial suggestions for implementing SNS‐based library and information service in academic settings.

The purpose of this paper is to investigate the use of television (TV) content for scholarly purposes. It focuses on: profile of scholars using TV content; the structure of their need for TV content; the situations in which scholars need TV content; and their patterns of use of TV content in each research stage.

Taylor’s four components of the information use environment has contributed to the development of a conceptual framework. The data from the use of TV content by 668 scholars were profiled using correspondence analysis and co-word analysis. Additionally, the data from 15 interviews and content from 240 journal articles were analysed.

The authors determined that the environment of the scholarly use of TV content is unique in terms of the scholars’ academic domains, research topics, motivation, and patterns of use. Six academic domains were identified as having used TV content to a meaningful degree, and their knowledge structure was presented as a map depicting the scholars’ needs for TV content. Scholars are likely to use TV content when they deal with timely social and cultural topics, or human behaviour. The scholars also showed different patterns of use of TV content at each stage of research.

In this study, TV content was newly examined from the perspective of an information source for scholarly purposes, and it was found to be a meaningful source in several domains. This result extends the knowledge of information sources in scholarly communication and information services.

The purpose of this paper is to study the effects of single parameters for temperature characteristics of oil film in port plate pair and the relationship of calculated results and experimental results under different viscosity.

The paper established the mathematical model of oil film of port plate pair, calculated the energy equation of port plate pair, simulated for the oil film and temperature distribution and selected different kinds of lubricants to analyze the calculated value and the experimental value.

The results show: temperature rise of port plate pair is reduced with the increase of oil viscosity; temperature rise of port plate pair is decreased with rise of initial oil film thickness; temperature rise of port plate pair is increased with the rise of cylinder body speed, inclination angle and sealing belt width; and through the comparison of calculated value and experimental value, under the same viscosity and cylinder speed, experimental results are bigger.

This paper used the methods that the temperature of port plate pair was calculated numerically, and the results were consistent with experimental results, so it can get high precision.

The purpose of this paper is to explore all the strategies adopted by Uber China to gain more and more market shares of Chinese markets. It included localization of its core product, adaptation to Chinese demands and tying up with different Chinese companies.

The case study has been prepared after thoroughly studying Uber’s business in China. Secondary data is collected from credible sources such as the Uber website, newspapers, interviews and journal publications. This data helped in arriving at a basic understanding of the company, its objectives, strategies and the business model. The strategies formulated by Uber and the challenges it faced while operating in China are studied and explained based on this secondary data. Various published papers, reports released by reputed organizations and universities, interviews of managers and experts and research papers were also used to develop this case.

This case is developed considering the bent of today’s consumers toward sharing economy. The scope of businesses based on the concept of sharing economy is very wide and is increasing. China’s sharing economy sector was one of the fastest economies in the world. The case chronicles ride of Uber in China: from its entry in the country, strategies adopted, challenges faced and to the exit from China.

International business management at the undergraduate and postgraduate programs in management