Substitutes to manual labelling for NER [closed] I've a free text column of biographies about people where different identifiers such as Name, Id nos. , phone numbers, emails, birth date, nationality, etc. are present. I need to extract them under correct tag (such as NAM for Name, ID for ID nos. and so on). Each entity tag can have several variations (eg. - name can appear after 'NAME:' or 'alias:' or'a.k.a:' or 'also known as'. Also there is severe imbalance in presence of entities (and their variations) in biographies (some biographies...