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The rise of Norman naval power in the central Mediterranean in the eleventh and twelfth centuries prompted a seminal shift in the balance of power on the sea. Drawing from Latin, Greek, Jewish and Arabic sources, this book details how the House of Hauteville, particularly under Robert Guiscard and his brother Roger, used sea power to accomplish what the Papacy, the German Empire and the Eastern Empire could not: the conquest of southern Italy and Sicily from Islam. The subsequent establishment of an aggressive naval presence on Sicily, first by Roger de Hauteville and then by his son Roger...

US-VISIT requested that the biometrics usability team at the National Institute of Standards and Technology (NIST) examine the current US-VISIT face image collection process to identify any usability and human factors that may improve the existing face image capture process. As such this study did not address other technologies or technology solutions. This report presents the results of a study that examined five usability and human factors enhancements to the current US-VISIT collection process: 1. the camera should resemble a traditional camera; 2. the camera should click when the picture...

The Department of Homeland Security (DHS) and the United States Visitor and Immigrant Status Indicator Technology (US-VISIT) program is preparing to transition from a two print capture process to a 10-print slap capture process. In preparing for the 10-print pilot testing, a concern that the existing counters that house the fingerprint scanners are too tall to support the ten print collection process was identified. Lowering the counters in the facilities is not possible for the pilot testing. However, angling the scanners on the counter may alleviate the problems. US-VISIT asked the National...