tokens: While uploading doc file ( example test.doc ) to server ( unix machine ) , I am using apache commons jar which gives me FormFile instance at server side which is having all the data in byte array form .
ner_tags: O O B-File_Type O O B-File_Name I-File_Name O O B-Application O B-Operating_System O O O O O O B-Application I-Application B-File_Type O O O B-Class O O B-Application O O O O O O O O B-Data_Type B-Data_Structure O O