Online social networks 70 Social networks 35 Social media 28 Social aspects 25 Dissertations 21 Dissertations, Academic 21 Computer network resources 7 Computer-assisted instruction 7 English language 6 Internet in education 6 Social conditions 6 Attitudes 5 Blogs 5 Data processing 5 Internet 5 Language and languages 5 Psychological aspects 5 Usage 5 College students 4 Data mining 4 Education, Higher 4 Information technology 4 Library applications 4 Religious aspects 4 Social capital (Sociology) 4 Study and teaching 4 Technological innovations 4 Web 2.0 4 Academic libraries 3 Chinese students 3