LTER Custom Unit Registry Project

1. LTER Custom UnitRegistry Project LTER Information Manager’s Meeting Montreal, Canada 4-7 August 2005 Mark Servilla (LNO) & Karen Baker (PAL)

2. Goals & Products • Custom Unit Registry • Completed • Extensible “unit type” and “unit” RDBMS schema • Web-based searchable registry • Tabular and EML/XML output • Scope-based and hierarchical use designation • Planned • Entry form for submitting new “unit types” and “units” • Entry form for editing “unit types” and “units” • Web-service connector • User Authentication/Authorization LTER Network Information System

3. Goals & Products cont. • Community Process • Facilitate the definition and exchange of “measurement unit” information • Supports the collections, exchange, and adoption of “units” through a formal acceptance process • Ensure compatibility with community standards • Develop communication pathways for input from domain experts • Establish “Custom Unit Best Practices” LTER Network Information System

4. Schedule • May - July 2005 • Functional database schema populated with • EML-2.0.1 unit type and unit definitions • Custom units from FCE, GCE, LNO, PAL, and SBC • Web-based searchable interface • http://fire.lternet.edu/customUnit • Unit type and unit keyword searching • EML compatible XML output • August - December 2005 (to be decided) • Entry and editing forms • Web-services connector • Security LTER Network Information System

5. Design Team • CCE – Lynn Yarmey • FCE – Linda Powell • GCE – Wade Sheldon • LNO – Mark Servilla and Inigo San Gil • PAL – Karen Baker, Shaun Haber, and Florence Millerand • SBC – Margaret O’Brien LTER Network Information System

6. Database Schema LTER Network Information System

7. LTER OBFS FCE GCE LNO SBC CCE PAL Unit Scope and Hierarchy EML OBFS Scope SBC Scope Hierarchy DWG LTER Network Information System

8. LTER Custom Unit Registry Demonstration LTER Network Information System