Cluster | Characteristics | Research Topics | Main indicators |
1 | comprehensive hotspots | Topic 6 Health Literacy, Topic 7 Electronic Health Records, Topic 11 Internet Addiction, Topic 20 Blockchain | Twitter, Facebook, Blog, News, Policy, Citation, Mendeley |
2 | online social hotspots | Topic 1 Bibliometrics, Topic 4 Journalism, Topic 12 Gene Expression Data, Topic 15 Null Hypothesis Significance Testing, Topic 18 Open Government Data, Topic 19 Digital Humanities | Twitter, Facebook, Blog |
3 | academic hotspots | Topic 3 Knowledge Management, Topic 8 Technology Acceptance Model, Topic 9 Customer Satisfaction, Topic 13 Privacy | Mendeley, Citation |
4 | potential hotspots | Topic 2 Information Literacy, Topic 5 Sentiment Analysis, Topic 10 Complex Networks, Topic 14 Semantic Web, Topic 16 Collaborative Filtering, Topic 17 Deep Learning | Lack of prominent indicators |