1. Botts, M., Robin, A., 2007. OpenGIS sensor model language (SensorML) implementation specification. OpenGIS standard 07-000, Open Geospatial Consortium Inc. 〈http://www.opengeospatial.org/standards/sensorml〉, accessed 31 July 2010.
2. Towards generic real-time mapping algorithms for environmental monitoring and emergency detection;Brenning;Stochastic Environmental Research and Risk Assessment,2008
3. Slom: a new measure for local spatial outliers;Chawla;Knowledge Information Systems,2006
4. A comparison between spatial winter indices and expenditure on winter road maintenance in Scotland;Cornford;International Journal of Climatology,1996
5. Cox, S., 2007. Observations and Measurements—Part 1—Observation schema. OpenGIS Standard 07-022r1, Open Geospatial Consortium Inc. URL: 〈http://www.opengeospatial.org/standards/om〉, accessed 31 July 2010.