Achilleas Anagnostopoulos John Soldatos Sotiris G. Michalakos REFiLL: A lightweight programmable middleware platform for cost effective RFID application development. 49-63 2009 5 Pervasive and Mobile Computing 1 http://dx.doi.org/10.1016/j.pmcj.2008.08.004 db/journals/percom/percom5.html#AnagnostopoulosSM09