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In many Grid infrastructures different kinds of information services are in use, which utilize different incompatible data structures and interfaces to encode and provide their data. Homogeneous monitoring of these infrastructures with the monitoring data being accessible everywhere independently of the middleware which provided it, is the basis for a(More)
Interoperability is an important issue, especially in Grid infrastruc-tures that use multiple, inhomogeneous Grid middlewares. Monitoring such heterogeneous scenarios requires interoperability of different information services. The approach taken bases on an integration proxy together with a standardized information model. This proxy functions as a bridge(More)
INTRODUCTION Concussion incidence estimates in middle school sports settings are limited. This study examines concussion incidence in nine U.S. middle schools during the 2015-2016 school year. METHODS Concussion data originated from nine public middle schools in Prince William County, Virginia, during the 2015-2016 school year. Certified athletic trainers(More)
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