1. at the NATIONAL TRANSPORTATION LIBRARY CIL 2007 Washington, DC Joyce W. Koeneman Digital Librarian, NTL Research and Innovative Technology Administration USDOT Joyce.koeneman@dot.gov THESAURUS IMPLEMENTATION

2. (800) 853-1351 Librarian@bts.gov TRISOnline@bts.gov Need help? Call or email our reference librarians: U.S. Department of Transportation Research and Innovative Technology Administration TRIS Online TRB Bibliographic Index The Transportation Research Thesaurus (TRT) The ultimate transportation keyword and taxonomy tool NTL Digital Collection & Portal Full text and web sites!TLCat Access to U.S. and Canadian transportation libraries! It’s all at NTL. http : //ntl.bts.gov The National Transportation Library -Efficient, integrated transportation searches -Full text and the critical metadata you need -On-call reference librarian support

3. The Transportation Research Thesaurus Created by National Cooperative Highway Research Project 20-32 Reported out in 2001 in NCHRP Report 450. –Transportation Research Thesaurus and User’s Guide. Content Maintained by the Transportation Research Board. Available from http://trt.trb.org and http://ntlsearch.bts.gov/tris/trt.dohttp://trt.trb.org http://ntlsearch.bts.gov/tris/trt.do Widely used.

4. NTL and TRT NTL uses TRT terms in a Dublin Core Metadata Repository for NTL Catalog of digital archive and portal. –http://ntl.bts.gov/about_ntl.html for metadata guidelines –http://ntlsearch.bts.gov/tris/trt.do for NTL TRT –http://ntlsearch.bts.gov/tris/index.do to browse or search TRIS Online and/or NTL using TRT

5. Dublin Core Refinement NTL NameDC Term XML Element NameNotes TRT Keywordssubject Encoding scheme - TRT Subject Keywords subject

14. Maintaining the Data Oracle database. The application was created by NTL to integrate with the catalog and search. Data is maintained by a contractor to TRB and housed at TRB, NTL, et. al. Data Harmony.