It could be interesting to check out if any of the standards published by ISO/TC 37 (http://en.wikipedia.org/wiki/ISO/TC_37) apply to this project, like

* ISO 12620:2009 Terminology and other language and content resources—Specification of data categories and management of a Data Category Registry for * ISO 12200:1999 Computer applications in terminology —- Machine-readable terminology interchange format (MARTIF) —- Negotiated interchange * ISO 16642:2003 Computer applications in terminology —- Terminology Mark-up Framework (TMF)

There could be others in addition to these.

John