tokens: The ' num0 , num1 , num2 ' fields are also dubious , too ; if they are meant to store numbers , use NUMERIC or DECIMAL - - DECIMAL(20) in most IDS databases means a 20-digit floating point decimal number .
ner_tags: O O B-Variable O B-Variable O B-Variable O O O O O O O O O O O O O O O O O B-Data_Type O B-Data_Type O O B-Data_Type O O B-Application O O O O O O O O O