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

Table 3

The top 30 high-frequency keywords.

Keywords	Frequency
Big data	241
Library	135
Smart library	63
Big data era	55
Data mining	43
Information service	32
Cloud computing	30
Digital library	28
Knowledge service	25
Data analysis	22
Data processing	18
Competitive intelligence	18
Library service	15
Cloud library	12
Personalized service	11
Digital resources	10
Public library	10
Knowledge consultation	9
Internet of things	8
Intelligence analysis	8
Unstructured data	7
Resource construction	7
Information resource	6
Information analysis	6
Information technology	6
Bibliometrics	5
Library big data	5
Data environment	5
Information science	5
Big data knowledge service	5