Knowledge Graph Construction for Intelligent Media Based on Mobile Internet

Table 4

High-frequency keywords and their centrality list.

No.	Keyword	Frequency	Centrality	Start year
1	Social media	252	0.02	2013
2	Film	200	0.23	2014
3	Twitter	180	0.02	2015
4	Neural network	145	0.07	2013
5	Communication	115	0.21	2012
6	5G	112	0.03	2015
7	Sentiment analysis	70	0.01	2017
8	Radio	67	0.02	2012
9	Big data	64	0.01	2016
10	Cognitive radio	57	0.02	2012
11	Swarming motility	54	0.02	2012
12	Time	52	0.02	2015
13	Service	52	0.09	2013
14	Facebook	51	0.08	2014
15	Quality	50	0.07	2012
16	LSTM	49	0	2019
17	Localization	49	0.03	2013
18	Media	48	0.03	2014
19	Device	45	0.07	2015
20	Array	43	0.05	2015
21	CNN	42	0.01	2019
22	Dynamics	42	0.05	2013
23	Knowledge	41	0.04	2012