Matteo Baldoni Cristina Baroglio Alberto Martelli Viviana Patti Claudio Schifanella Preserving players goals: a choreography-driven matchmaking approach. 132-139 2007 WOA http://woa07.disi.unige.it/papers/BaldoniPlayers.pdf conf/woa/2007 db/conf/woa/woa2007.html#BaldoniBMPS07