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Table 4 Average agreement between social tagging aggregates and MeSH indexing.

From: Social tagging in the life sciences: characterizing a new metadata resource for bioinformatics

  CiteULike verse MEDLINE Connotea verse MEDLINE
  N Citations Mean precision Mean recall Mean PSA N Citations Mean precision Mean recall Mean PSA
String 19059 0 0 0 19118 0.03 0.02 0.02
Normalized String 19059 0.09 0.03 0.04 19118 0.10 0.04 0.05
Concepts 8933 0.20 0.02 0.03 9290 0.30 0.04 0.07
Types 8933 0.56 0.07 0.12 9290 0.59 0.10 0.16
Groups 8933 0.81 0.18 0.29 9290 0.81 0.22 0.32