Table 3

Positive Specific Agreement among pairs of social taggers on PubMed citations

CiteULike

Connotea


Mean PSA

N pairs measured

Mean terms per post

Mean PSA

N pairs measured

Mean terms per post


String

0.11

19782

2.49

0.14

13156

3.06


Standardized String

0.13

19782

2.49

0.16

13156

3.06


Concepts

0.39

9128

1.39

0.31

4022

1.86


Types

0.43

9128

1.36

0.38

4022

1.72


Groups

0.52

9128

1.29

0.45

4022

1.56


Good et al. BMC Bioinformatics 2009 10:313   doi:10.1186/1471-2105-10-313

Open Data