1. SDC-005-057-JE-xxxx

2. Bruce Bargmeyer EPA/OIRM/EIM Division Tel: (202) 260-5306 bargmeyer.bruce@epamail.epa.gov WWW URL: http://sdct-sunsrv1.ncsl.nist.gov/~bargmeye Presentation By:

3. SDC-005-057-JE-xxxx Data Elements Overview Terminology Thesaurus Data Registry Ontology Terminology Sources Interface Access XML

4. SDC-005-057-JE-xxxx TermsContext Dictionary or Glossary Concept C 1 C 2 Terminology

5. SDC-005-057-JE-xxxx TermsContextConcept Example carautomotive railway materialmaterials engineer Chemistry Definition: chem-is-try 1: a science that deals with the composition,structure, and properties of substances and with the transformations that they undergo 2 a: the composition and chemical properties of a substance b: chemical processes and phenomena (as of an organism) 3: a strong mutual attraction, attachment,, or sympathy Definition: (kar) n 1 A vehicle for use on tracks. 2 Any wheeled vehicle, as an automobile. 3 Poetic A chariot. 4 The contents of a car; carload. 5 The cage of an elevator. 6 The basket of a balloon or the like. 7 A floating box for live fish. transportation

6. SDC-005-057-JE-xxxx Concept: transportation Term: car Context: railway automotive poetic elevator … Definition: (kär) n 1 A vehicle for use on tracks. 2 Any wheeled vehicle, as an automobile. 3 Poetic A chariot. 4 The contents of a car; carload. 5 The cage of an elevator.... DICTIONARY LISTINGGLOSSARY LISTING Elements of Terminology

7. SDC-005-057-JE-xxxx car Elements of Terminology Term A ( = vehicle) Term B (sedan) Term C (convertible) Thesaurus

8. SDC-005-057-JE-xxxx GLOSSARY DICTIONARY VALUES CLASSIFICATION Data Element Elements of Terminology

9. SDC-005-057-JE-xxxx Elements of Terminology Data element: a unit of data for which the identification, meaning, representation, and permissible values are specified by means of a set of attributes Data element concept: a concept which can be represented in the form of a data element, described independently of any particular representation Data element representation: a data component consisting of a value domain and representation class Source: ISO/IEC 11179, Information Technology - Specification and standardization of data elements.

10. SDC-005-057-JE-xxxx Thesaurus TextData 12345678 Search Engine Search Example: Pollution Acid Rain TermsContext Dictionary or Glossary Concept C 1 C 2 Message: Keep text and data together! Interface Access

11. SDC-005-057-JE-xxxx Name:State Name Definition:The name of a principal administrative subdivision of the United States, Canada, or Mexico. Values:Alabama Alberta Aquascalientes Classification:State TermsContext Dictionary or Glossary Concept C 1 C 2 Data Element: STATE Name

12. SDC-005-057-JE-xxxx System Oracle Data Base Management System (DBMS) EDI Message Sets u Web-based Form Report Form Regulation Federal Register Packaged as: TermsContext Dictionary or Glossary Concept C 1 C 2 Envirofacts Query Interface Access

13. SDC-005-057-JE-xxxx System Oracle Data Base Management System (DBMS) Oracle Data Base Management System (DBMS) Interface Access EDI Message Sets - Web-enabled Form EDI Message Sets - Web-enabled Form Report Forms Regulation Federal Register Report Forms Regulation Federal Register Packaged as: Envirofacts Query TermsContext Dictionary or Glossary Concept C 1 C 2

14. SDC-005-057-JE-xxxx Agent Broker Mediator Resource Agent Intelligent Information Services (IIS): Ontology TermsContext Dictionary or Glossary Concept C 1 C 2 Interface Access Central Mapping or Local Mapping

15. SDC-005-057-JE-xxxx General European Multilingual Envir. Thesaurus (GEMET) Facilitated Sessions: Government Federal State/Local Private Enterprise Academia Thesauri Data Elements Data Sources TermsContext Dictionary or Glossary Concept C 1 C 2 Terminology Sources

16. SDC-005-057-JE-xxxx Terminology Sources GEMET Facilitated Sessions Thesauri Data Elements TermsContext Dictionary or Glossary Concept C 1 C 2 Simplifed version of previous slide.

17. SDC-005-057-JE-xxxx u Search Engines u Envirofacts via Queries u Systems via DBMS u Packaged EDI Web-based Forms u Report Forms u EDEN (Environmental Data Exchange Network) Interfaces Provide Access to:

18. SDC-005-057-JE-xxxx Summary Sources Data Registry Data Registry Ontology IIS Thesaurus Search Engine Database Queries Data Registry Data Registry

19. SDC-005-057-JE-xxxx Ways to Organize and Deploy Terminology Data Registry Data Registry Ontology IIS Thesaurus Search Engine Database Queries Data Registry Data Registry

20. SDC-005-057-JE-xxxx As data changes world-wide, metadata changes can be recorded and effectively communicated between metadata registries. Change ISO ISO/IEC 11179 Metadata Registry Standard Defense Data Dictionary Sources Catalog of Data Sources Health Care Finance Administration Intelligent Transportation System Environmental Data Registry ANSI Industry EPA Standard Data XML

21. SDC-005-057-JE-xxxx What is XML? u Extensible Markup Language (XML) u Simplified SGML (Standard Generalized Markup Language, ISO 1986) u Next generation HTML n Semantic structure of document or data n Extensible, industry-specific tag sets n Display determined by style sheets (CSS, XSL) (Source: John McCarthy,Frank Olken, and Roy Tennant, April 1998)

22. SDC-005-057-JE-xxxx XML Example Markup Character Data Richard Light rlight@somewhere.com PresentingXML (Source: John McCarthy,Frank Olken, and Roy Tennant, April 1998)

23. SDC-005-057-JE-xxxx XML Goals & Philosophy u Overcomes shortcomings of HTML n Allows processing of Web documents by sophisticated document processing software u Overcomes shortcomings of SGML n Allows media-independent electronic publishing u Interoperates with HTML and SGML u Provides vendor-neutral data exchange (Source: John McCarthy,Frank Olken, and Roy Tennant, April 1998)

24. SDC-005-057-JE-xxxx u Increasing industry interest and acceptance u Parsers in multiple computer languages n JAVA, C++, Perl, Python, etc. u Additional industry-specific tag sets u Full Web browser support u Growing set of authorin/processing tools Where is XML Going? (Source: John McCarthy,Frank Olken, and Roy Tennant, April 1998)