Table 4 Analysis of relation suggestions. For a total of 20 randomly selected BioNLP2011 REL shared task documents, there has been a total of 397 relations annotated. In the process, the system produces on average 2.1 suggestions per relations and 19.85 suggestions per document. The last column shows an average number of relation suggestions across several documents

From: An adaptive annotation approach for biomedical entity and relation recognition