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SSN-XG Face-2-Face Oct. 24, 2009 Kno.e.sis Center http://knoesis.org/projects/sensorweb Observations Dataset • RDF descriptions of hurricane and blizzard observations in the United States. • The data originated at MesoWest (University of Utah) • Observation types: temperature, visibility, precipitation, pressure, wind speed, humidity, etc. Name Storm Type Date Bill Hurricane August 17 - August 22, 2009 Ike Hurricane September 1 – September 13, 2008 Gustav Hurricane August 25 – August 31, 2008 Bertha Hurricane July 6 – July 17, 2008 Wilma Hurricane October 17 – October 23, 2005 Katrina Hurricane August 23 – August 30, 2005 Charley Hurricane August 9 – August 15, 2004 Blizzard April 1 – April 6, 2003 Sensors Dataset • RDF descriptions of ~20,000 weather stations in the United States. • Observation dataset linked to sensors descriptions. • Sensors link to locations in Geonames (in LOD) that are nearby. weather station • SPARQL Endpoint: knoesis1.wright.edu/ openrdf-sesame/ repositories/ LinkedSensorDataset Linked Datasets Observation KB location procedure Sensor KB Location KB (Geonames) Example 720F procedure Thermometer location Dayton Airport • Very Large • 20,000+ systems • 230,000+ locations • MesoWest • MesoWest • Geonames • Dynamic • ~Static • ~Static Sensor Discovery Demo • Discover sensors from queries on named location. • SOS access to sensor descriptions on LOD. • For example: Find all weather stations near Dayton Airport • First, search Geonames for URI of Dayton Airport • Then, search dataset for sensors near location • Demo: knoesis1.wright.edu/ SSW_NEW_BETA Thank You Oct. 24, 2009 Kno.e.sis Center http://knoesis.org/projects/sensorweb