High Quality Content by WIKIPEDIA articles! indecs (an acronym of "interoperability of data in e-commerce systems"; written in lower case) was a project part funded by the European Community Info 2000 initiative and by several organisations representing the music, rights, text publishing, authors, library and other sectors in 1998-2000, which has since been used in a number of metadata activities. A final report and related documents were published; the indecs Metadata Framework document "Principles, model and data dictionary" is a concise summary.