Introduction to SDD (Structured Descriptive Data)
Gregor Hagedorn1, Bob Morris2, Kevin Thiele3, P. Bryan Heidorn4 1Federal Biological Research Center, Institute for Plant Virology, Microbiology, and Biological Safety, Königin-Luise-Str. 19, 14195 Berlin, Germany, 2University of Massachusetts at Boston, Department of Computer Science, U.S.A., 3Centre for Biological Information Technology, Australia, 4Graduate School of Library and Information Science, University of Illinois at Urbana-Champaign.This outlines some fundamentals of the SDD proposal (which are based on the UBIF proposal) and then concentrates on the proposed 1.0 schema for coded descriptions and the terminology supporting these descriptions. Of special importance are the changes introduced in the quantitative measurements, in the sample data, and in the (principally type polymorphic) approach to characters and modifiers. To improve the focus of the discussion, Identification keys and Natural language descriptions as proposed in SDD will
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