1. 1 eXtended Metadata Registry (XMDR) Two Slides for Ontology Summit Presentation Bruce Bargmeyer Lawrence Berkeley National Laboratory and University of California, Berkeley Tel: +1 510-495-2905 bebargmeyer@lbl.gov

2. eXtended Metadata Registry (XMDR) What XMDR Brings to the Table: F Use cases - semantics challenges - and Requirements F Potential design specifications u Proposed specifications for ISO/IEC 11179 Edition 3 – A UML Model, definitions, and OWL ontology F Modular software architecture and open source software modules F Open Source XMDR software F Test content – concept systems including thesauri, taxonomies, ontologies F A group of participants (XMDR project) that has considerable experience in this area. See: XMDR.org 2

3. Modular XMDR Archtitecture Registry Store Search & Content Serving (Jena, Lucene) XMDR metamodel (OWL & xml schema) standard XMDR files Logic Index Content Loading & Transformation (Lexgrid & custom) Human User Interface (HTML fromJSP and javascript; Exhibit) Metadata Sources concept systems, data elements USERS Web Browsers…..Client Software Application Program Interface (REST) Authentication Service Validation (XML Schema) Mapping Engine Logic Indexer (Jana & Pellet) Text Indexer (Lucene) Metamodel specs (UML & Editing) (Poseidon, Protege) XMDR data model & exchange format XML, RDF, OWL Text Index Postgres Database Third Party Software