Table 3 Inter-annotator agreement after annotation round 1, and round 2 for each annotation batch.

From: NLM-Chem, a new resource for chemical entity recognition in PubMed full text literature

 

Annotation Round 1

Annotation Round 2

Batch 1

Batch 2

Batch 3

Batch 1

Batch 2

Batch 3

Exact Agreement

42.20%

73.70%

72.90%

74.1%

81.8%

81.2%

Mismatch ID

8.60%

6.50%

9.80%

5.6%

1.0%

4.3%

Single - annotation

49.20%

19.80%

17.30%

20.3%

17.2%

14.5%