@incollection{Waller2011, author = {Waller, Adrian and Sandy, Ian and Power, Eamonn and Aivaloglou, Efthimia and Skianis, Charalampos and Muñoz, Antonio and Maña, Antonio}, doi = {10.1007/978-3-642-22365-5_16}, journal = {Communications in Computer and Information Science}, month = {jan}, pages = {130-137}, title = {Policy Based Management for Security in Cloud Computing}, url = {http://repository.wit.ie/1679/1/PBM%20in%20Clouds%20Final%20Submitted.pdf}, year = {2011} }