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

Journal of Big Data

Table 3 Top 20 word network

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