1 Subjects: “...social network analysis...”

2 Subjects: “...social network...”

3 Subjects: “...social network model...”

4 Subjects: “...social network analysis (SNA)...”

5 Subjects: “...social network analysis...”

6 Subjects: “...social network analysis...”

7 Subjects: “...vehicle social network...”

8 Subjects: “...Social network...”

9 Subjects: “...location-based social networks...”

10 Subjects: “...social network...”

11 Subjects: “...social network analysis...”

12 Subjects: “...social networks...”

13 Subjects: “...social networks...”

14 “... to smartphone-enabled citizen sensing data from social networks and personal health devices, which requires...”

15 “... has considerably changed, not only due to a new technologic environment-plenty of social networks...”

16 “..., international research team collaboration for sustainability, nature conservation communication in social...”