adding extractor for sequence ontology
Created by: mevol
added a new script to create input and embeddings for sequence ontology, SO; updated the entity linking script to use ChEBI for the structure NER entity type chemical;
also added SO to linking
Created by: mevol
added a new script to create input and embeddings for sequence ontology, SO; updated the entity linking script to use ChEBI for the structure NER entity type chemical;
also added SO to linking