What is JATS XML: Apex Solutions Limited
JATS – Journal Article Tag Suite, is an international standard XML tag set for journal articles, formally known as NSI/NISO standard for the XML interchange of journal articles, JATS XML is standard for Journal content and broadly used by scholarly communities, publishers, archives, indexes. JATS are declarative and semantic in nature and not behavioral like HTML, hence articles are simpler to process.

JATS XML - it a set of XML elements describing the graphical and textual content and the complete information about JATS XML format