Table 3 Top 30 frequent keywords S/N...

Table 3

Top 30 frequent keywords

S/N	Keyword	Freq	Centrality	S/N	Keyword	Freq	Centrality
1	College library	269	0.47	16	Knowledge service	31	0.04
2	Library	253	0.62	17	Data supervision	29	0.07
3	Big data	154	0.22	18	Data literacy education	28	0
4	Data management	110	0.26	19	Metadata	27	0.26
5	Scientific data	106	0.36	20	Data integration	26	0.05
6	Digital library	79	0.18	21	Subject service	26	0
7	Data literacy	62	0.1	22	Joint construction and sharing	24	0.05
8	Scientific data	58	0.16	23	Information resource	23	0.07
9	Resource sharing	46	0.18	24	Subject librarian	23	0.05
10	Cloud computing	42	0.1	25	Data librarian	22	0.01
11	Scientific data management	38	0.09	26	Institutional knowledge base	22	0.01
12	Data monitoring	36	0.06	27	University library	21	0.14
13	Data service	34	0.1	28	Open access	19	0.09
14	Data sharing	34	0.16	29	Big data era	17	0
15	Scientific data management	33	0.02	30	Research data service	17	0

S/N	Keyword	Freq	Centrality	S/N	Keyword	Freq	Centrality
1	College library	269	0.47	16	Knowledge service	31	0.04
2	Library	253	0.62	17	Data supervision	29	0.07
3	Big data	154	0.22	18	Data literacy education	28	0
4	Data management	110	0.26	19	Metadata	27	0.26
5	Scientific data	106	0.36	20	Data integration	26	0.05
6	Digital library	79	0.18	21	Subject service	26	0
7	Data literacy	62	0.1	22	Joint construction and sharing	24	0.05
8	Scientific data	58	0.16	23	Information resource	23	0.07
9	Resource sharing	46	0.18	24	Subject librarian	23	0.05
10	Cloud computing	42	0.1	25	Data librarian	22	0.01
11	Scientific data management	38	0.09	26	Institutional knowledge base	22	0.01
12	Data monitoring	36	0.06	27	University library	21	0.14
13	Data service	34	0.1	28	Open access	19	0.09
14	Data sharing	34	0.16	29	Big data era	17	0
15	Scientific data management	33	0.02	30	Research data service	17	0