No.

Frequency

Keyword

Year

1

182

University libraries

2014

2

103

Think tank

2015

3

47

Think tank service

2016

4

40

Library

2016

5

31

Think tank construction

2016

6

28

Think tanks of universities

2016

7

15

New type of think tanks

2018

8

14

Information service

2016

9

12

Knowledge service

2017

10

11

Colleges and universities

2018