@article{comnet16, title = "Making puzzles green and useful for adaptive identity management in large-scale distributed systems ", journal = "Computer Networks ", volume = "95", pages = "97 - 114", year = "2016", doi = "http://dx.doi.org/10.1016/j.comnet.2015.12.005", author = "Weverton Luis da Costa Cordeiro and Flavio Roberto Santos and Marinho Pilla Barcelos and Luciano Paschoal Gaspary and Hanna Kavalionak and Alessio Guerrieri and Alberto Montresor", publisher = {Elsevier}, pdfurl = {http://disi.unitn.it/\string~montreso/pubs/papers/comnet15.pdf}, type = {ARTICLE}, }