http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
David Silverman answers a set of questions ranging from giving a few examples of naturally data through what the advantages of using it in social research are to why few researchers use it and how he himself pulls out the significance.
Title from home page (viewed Jan. 26, 2011).
System requirements: Internet Explorer 6.0 (or higher) Firefox 2.0 (or higher).