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The promise of high-quality, integrated data sets for policy analysis is great. However, significant impediments remain that make the creation of such data sets very difficult. The identification of processes and algorithms for carrying out approximate string matching on personal-level information while at the same time keeping that information unknown(More)
FOREWORD The overall goal of the Federal Highway Administration's (FHWA) Visibility Research Program is to enhance the safety of road users through near-term improvements of the visibility on and along the roadway. The program also promotes the advancement of new practices and technologies to improve visibility on a cost-effective basis. The following(More)
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