GLAS-PPE/2005-04

HEP Metadata Schema

Morag Burgon-Lyon(1), Tim Barrass(2), Peter Kunszt(3), Gavin McCance(3), Krzysztof Nienartowicz(3), Ricardo Rocha(3), Randolph Herber(4), Adam Lyon(4), Julie Trumbo(4), A. Doyle(1), Steven Hanlon(1), Paul Millar(1), Solveig Albrand(5), Jerome Fulachier(5), James Werner(6), Carmine Cioffi(7), Stephen Burke(8), Owen Synge(8)

(1) University of Glasgow
(2) University of Bristol
(3) CERN EGEE project
(4) Fermilab
(5) LPSC, Grenoble
(6) University of Manchester
(7) University of Oxford
(8) Rutherford Appleton Laboratory

Metadata is "ancillary information about stored data, which aids a user in handling it, describing it and understanding what it contains."[1]. This paper surveys metadata schema used in new and mature High Energy Physics (HEP) experiments by applying common use cases and reporting on the implications of implementation both from a user perspective and how the underlying metadata is held and processed by the metadata schema and systems.

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