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Table 3 Matching rates of central nodes by the community mapping method and the betweenness centrality method

From: Community evolution in patent networks: technological change and network dynamics

Year

Common

Different

Match (%)

1980

53

78

40.46

1981

38

56

40.43

1982

33

60

35.48

1983

33

60

35.48

1984

32

60

34.78

1985

30

65

31.58

1986

42

54

43.75

1987

39

56

41.05

1988

36

63

36.36

1989

45

63

41.67

1990

48

79

37.80

1991

34

58

36.96

1992

24

49

32.88

1993

21

52

28.77

1994

32

67

32.32

1995

31

63

32.98

1996

22

69

24.18

1997

27

63

30.00

1998

36

80

31.03

1999

39

87

30.95

2000

53

96

35.57

2001

22

74

22.92

2002

18

59

23.38

2003

5

34

12.82

2004

6

28

17.65