Sebastian Michel Ali Salehi Liqian Luo Nicholas Dawes Karl Aberer Guillermo Barrenetxea Mathias Bavay Aman Kansal K. Ashwin Kumar Suman Nath Marc Parlange Stewart Tansley Catharine van Ingen Feng Zhao Yongluan Zhou Environmental Monitoring 2.0. 1507-1510 2009 ICDE http://dx.doi.org/10.1109/ICDE.2009.49 conf/icde/2009 db/conf/icde/icde2009.html#MichelSLDABBKKNPTIZZ09