[Retracted] Hotspot Mining in the Field of Library and Information Science under the Environment of Big Data

Table 5

Similarity matrix of the top 30 high-frequency keywords (partial).

	Big data	Library	Smart library	Big data era	Data mining	Information service	Cloud computing	Digital library
Big data	1.0000	0.0000	0.0812	0.0434	0.1179	0.1025	0.1411	0.0972
Library		1.0000	0.0976	0.1393	0.0131	0.0609	0.0000	0.0976
Smart library			1.0000	0.1189	0.1153	0.1114	0.1380	0.0000
Big data era				1.0000	0.1645	0.0715	0.0492	0.0255
Data mining					1.0000	0.1078	0.0557	0.0000
Information service						1.0000	0.0000	0.1002
Cloud computing							1.0000	0.0345
Digital library								1.0000