- Fernando Antonio Basile Colugnati, Lia Carrari Rodrigues Lopes, Saulo Faria Almeida Barretto, editors, Digital Ecosystems - Third International Conference, OPAALS 2010, Aracuju, Sergipe, Brazil, March 22-23, 2010, Revised Selected Papers. Volume 67 of Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, Springer, 2010.