1 Subjects: “...emotion recognition...”

2 Subjects: “...emotion recognition...”

3 Subjects: “...emotion recognition...”

4 Subjects: “...emotion...”

5 Subjects: “...emotion...”

6 Subjects: “...emotional states...”

7 Subjects: “...emotion tagging...”

8 Subjects: “...positive emotions...”

9 Subjects: “...emotional well-being...”

10 Subjects: “...emotions...”

11 Subjects: “...emotion...”

12 Subjects: “...emotions...”

13 Subjects: “...mental and emotional decline...”

14 Subjects: “...emotional exhaustion...”

15 Subjects: “...emotional support...”

16 Subjects: “...emotion-cause pair extraction...”

17 Subjects: “...emotional reaction...”

18 Subjects: “...emotional traits...”

19 “... intelligence, emotion detection, servitization, service robots and digitalization....”

20 “... and well-being are measured in three groups of indices: physiological, emotional, and cognitive...”