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

Table 6

Dissimilarity 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	0.0000	1.0000	0.9188	0.9566	0.8821	0.8975	0.8589	0.9028
Library		0.0000	0.9024	0.8607	0.9869	0.9391	1.0000	0.9024
Smart library			0.0000	0.8811	0.8847	0.8886	0.8620	1.0000
Big data era				0.0000	0.8355	0.9285	0.9508	0.9745
Data mining					0.0000	0.8922	0.9443	1.0000
Information service						0.0000	1.0000	0.8998
Cloud computing							0.0000	0.9655
Digital library								0.0000