4[15]IEEE metadata主页．http://www.llnl.gov/liv_comp/metadata/metadata.html16 Carl Lagoze．Accommodating Simplicity and Complexity in Metadata:Lessons from the Dublin Core Experience．http://www.ncstrl.org/Dienst/Ul/1.0/Display/ncstrl.comell/TR2000-1801
5[16]Riscilla Caplan．International Metadata Initiatives:Lessons in Bibliographic Control．http://lcweb.loc.gov/catdir/bibcontrol/caplan paper.html.
6[3]W3C metadata主页.http://www.w3.org/Metadata/
7[4]The Getty lnformation lnstitute and College Art Association．Categories for the Description of Works of Art(CDWA)．http://www.getty.edu/gri/standard/cdwa/
