Devis Bianchini Stefano Montanelli Carola Aiello Roberto Baldoni Cristiana Bolchini Silvia Bonomi Silvana Castano Tiziana Catarci Valeria De Antonellis Alfio Ferrara Michele Melchiori Elisa Quintarelli Monica Scannapieco Fabio A. Schreiber Letizia Tanca Emergent Semantics and Cooperation in Multi-knowledge Communities: the ESTEEM Approach. 3-31 2010 13 World Wide Web 1-2 http://dx.doi.org/10.1007/s11280-009-0080-6 db/journals/www/www13.html#BianchiniMABBBCCAFMQSST10