@INCOLLECTION{MarcoGuidi2011Knowledge,
  author = {Marco Guidi and Igor Ruiz-Agundez and Izaskun Canga-Sanchez},
  title = {Knowledge Mining from the Twitter Social Network. The case of Barack
	Obama},
  booktitle = {Computational Social Networks},
  publisher = {Springer},
  year = {2012},
  editor = {Ajith Abraham},
  pages = {211--229},
  owner = {igor.ira},
  timestamp = {2011.05.04}
}