When a document is ingested and language identification is enabled, its primary language is identified. DISCO currently supports eight languages (English, German, French, Portuguese, Spanish, Chinese, Japanese, and Korean). If a document has too few characters of a language or consists of multiple languages, the language will be identified as "undetermined".
A Primary Language column can be displayed by creating a custom column and selecting the Primary Language option under Metadata.
You can also search for documents based on language, using the primaryLanguage(Language) search string. See Searching in DISCO (best practices) for more information.
NOTE: DISCO does not currently translate non-English language documents. The reviewer will need to be able to read the language in question.
For more information, see Searching and tagging documents in a non-English language.