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Sammanfattning:
IDEAS is the largest bibliographic database dedicated to Economics and available freely on the Internet. ##RePEc (Research Papers in Economics) is a collaborative effort of hundreds of volunteers in 87 countries to enhance the dissemination of research in Economics and related sciences. The bibliographic database contains working papers, journal articles, books, books chapters and software components, all maintained by volunteers. The collected data are then used in various services that serve the collected metadata to users or enhance it. IDEAS is just one of several services that use RePEc data.
Sammanfattning:
TRID is the world's largest and most comprehensive bibliographic resource on transportation research information. TRID covers all modes and disciplines of transportation and contains more than 1,090,000 records of published research. More than 156,000 records contain links to full-text documents. TRID combines the records from TRB's Transportation Research Information Services (TRIS) Database and the OECD's Joint Transport Research Centre’s International Transport Research Documentation (ITRD) Database. Records in TRID are indexed with a standardized vocabulary from the Transportation Research Thesaurus (TRT), ITRD Thesaurus or a different thesaurus depending on the source organization.