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Table 3 Top 20 word network

From: Uncovering trend-based research insights on teaching and learning in big data

Rank Source Target TF-IDF (Weight) # of Sentences/paragraphs/Documents Gini coefficient
1 student experience 28 22 0.9
2 learning environment 26 19 0.9
3 case study 26 22 0.9
4 student engagement 25 13 1
5 university student 25 22 0.9
6 student perception 24 16 1
7 student learning 22 18 0.9
8 study student 22 22 0.9
9 learning student 20 18 0.9
10 education institution 17 17 0.9
11 teaching learning 16 12 1
12 student course 16 13 1
13 student university 16 14 1
14 education student 15 15 0.9
15 experience student 13 13 1
16 student staff 12 9 1
17 learning experience 11 11 1
18 learning process 11 9 1
19 student teacher 11 6 1
20 focus group 11 11 1