released:: 05/20
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By typing entities into a semantic type you can reduce candidate labels by 10x. Improves entity linking. Reported 6-10 points in AUC increase for entity disambiguation
Disambiguation methods can both be used for NER and Entity Linking
UMLS has 127 types. They grouped them into 24 semantic groups (see Table 2)
Authors create WikiMed (650k mentions normalized to UMLS) and PubMedDS dataset]] and pre-train MedType with it before fine-tuning on medical data
Open deep learning information extraction generates a lot of entity candidate
Context Encoder: feeds [mention + context window (neighbor tokens), semantic type]
Semantic Types that come with UMLS the set of candidate labels can be reduce by an order of magnitute