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Table 2 Information about each subsection

From: A novel method for expert finding in online communities based on concept map and PageRank

Category

NQ

NR

NU

A(Q)

A(R)

P(80Q)

P(80R)

SpCo

ALL (Entire Java Online Community)

6465

345206

614

10.52

562.22

9.60

3.74

0.96

Database Connectivity

367

23456

254

1.44

92.34

33.85

3.14

0.89

Development Tools

308

4869

152

2.02

32.03

18.42

6.57

1

Java APIs

337

31096

105

3.20

296.15

12.38

3.80

0.91

Java Card

415

4145

28

14.82

148.03

10.71

7.14

0.80

Java Desktop

1657

54839

150

11.04

365.59

4.66

5.33

0.88

Java Developer Tool APIs

9

2719

37

0.24

73.48

13.51

5.40

-

Java Embedded

8

62

13

0.61

4.76

38.46

30.76

-

Java Enterprise & Remote Computing

447

40642

134

3.33

303.29

25.37

3.73

1

Java Essentials

2266

157398

264

8.58

596.20

12.5

5.68

0.85

Java HotSpot Virtual Machine

40

8299

51

0.78

162.72

37.25

1.96

0.87

Java Mobile

80

2000

30

2.66

66.66

13.33

0

-

Java Real-Time

0

12

4

0

3

100

25

-

Java Security

86

4868

50

1.72

97.36

26

2

0.85

Java TV

0

5

3

0

1.66

100

66.66

-

JavaFX

484

9689

53

9.13

182.81

18.86

22.64

0.85

Other Topics

58

5905

47

1.23

125.63

19.14

12.76

0.95

  1. Bold numbers indicate the value of Spearman correlation in different categories.