 Metadata-based approaches have become increasingly popular for document classification due to their ease of use and accuracy. Metadata-based approaches are more efficient than content-based approaches as they require less data to be processed and do not need to read the entire document. Additionally, metadata-based approaches are more accurate as they can identify the domain of the document without having to read the entire document. This article was authored by Nasir Ahmed Sajid, Adiraman, Munir Ahmad and others.