Marcell Roth

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BACKGROUND Depression is one of the most common medical disorders seen in primary care practice. The purpose of this study was to estimate the prevalence of depressive symptoms in primary care patients across the United States, and to describe patient characteristics that may be associated with an increased likelihood of those symptoms. METHODS Survey(More)
Geospatial Web services comply with wellestablished standards to support seamless integration into applications ranging from commercial Geographic Information Systems (GIS) to open source web mapping clients. Descriptions of service capabilities contain information about the provided data. Updates to the underlying database result in changing descriptions.(More)
The Semantic Sensor Web provides a framework for the interoperable exchange and processing of observation data from heterogeneous sensor networks. Environmental monitoring applications deal with change detection in a spatio-temporal context. Here it is required to analyze vast amounts of sensor data in order to react to specific situations. In the ENVISION(More)
Alzheimer's disease accounts for approximately two thirds of all cases of dementia in the United States and $90 billion in health care costs annually. Clinical and laboratory diagnostic tools have been refined so that clinicians now can diagnose Alzheimer's disease with up to 90% accuracy. Criteria for clinical diagnosis have been outlined by a work group(More)
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