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Subject: Vocabulary Evolution, Term Status, Improved Stylesheet
We have previously discussed how to evolve vocabularies. Rather than tie vocabulary evolution into major specification releases, we are have a more incremental approach that allows new terms to be added on a test basis, and then be finalized based on implementation experience. This evolutionary approach came out of FOAF whose creators defined a Term Status vocabulary [1]. To describe the status of a vocabulary term, add the property vs:term_status, which has four possible string values: "unstable", "testing", "stable", and "archaic". For example, part of the Estimation and Measurement Service (EMS) vocabulary was adopted by the Performance Monitoring spec. [2] This caused a subset of EMS terms to be finalized and tagged as "stable". The remaining terms are tagged as "testing". More terms may be adopted by the PROMCODE spec, in which case they will also be promoted to "stable". The XSLT stylesheet for generating HTML from Turtle or RDF/XML has been updated to handle vs:term_status. It has other improvements. The latest version is at [3]. [1] http://www.w3.org/2003/06/sw-vocab-status/note [2] http://open-services.net/wiki/estimation-and-measurement/OSLC-Estimation-and-Measurement-Vocabulary/ [3] https://jazz.net/wiki/bin/view/LinkedData/PublishingRdfVocabularies _________________________________________________________ Arthur Ryman, PhD Distinguished Engineer | Master Inventor | Academy of Technology Chief Data Officer, Application Platform IBM Systems | Middleware 905.413.3077 (phone) | 416.939.5063 (cell) IBM InterConnect 2015
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