Editing Business intelligence (section)

===Metadata===
To solve problems with searchability and assessment of data, it is necessary to know something about the content. This can be done by adding context through the use of [[metadata]].<ref name = rao />{{Needs independent confirmation|reason=The article is written by a founder of a company that made automatic categorization software. Not sufficient to establish that using automatically generated metadata is a mainstream approach of applying BI to unstructured data.|date=December 2023}} Many systems already capture some metadata (e.g. filename, author, size, etc.), but more useful would be metadata about the actual content&nbsp;– e.g. summaries, topics, people, or companies mentioned. Two technologies designed for generating metadata about content are [[Multiclass classification|automatic categorization]] and [[information extraction]].