Research Article
A Multichannel Biomedical Named Entity Recognition Model Based on Multitask Learning and Contextualized Word Representations
Table 2
Introduction to experimental corpora.
| | Main | Entity types and counts | Size |
| | NCBI-disease | Disease (6881) | 793 | | JNLPBA | Gene/proteins (35336); cell line (4330); cell type (8649); DNA(10589); RNA(1069) | 2404 |
| | Auxiliary | Entity types and counts | Size |
| | BC5CDR-disease | Disease (12852) | 1500 | | BC2GM | Gene/proteins (24583) | 20000 |
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