how to do taxonomy on metadata stored in mongodb

manpreet Best Answer 2 years ago

i have extracted metadata for some files(pdf,html,txt,doc) and stroed in mongodb in json format. sample documents in my mongodb collection is as follows

{"Author: ":null,"Title: ":"java Syllabus","File name: ":"sample.htm"}
{"Author: ":null,"Title: ":"php Syllabus","File name: ":"sample1.htm"}
{"Author: ":null,"Title: ":null,"File name: ":"sample2.pdf"}

My requirement is to do taxonomy on above fields in documents.Is this possible?If its possible please suggest me . Thanks