2009 WorldCat Mashathon in Amsterdam

"Join fellow coders for a WorldCat Mashathon in Amsterdam, May 13-14, sponsored by the OCLC Developer Network and International Institute of Social History (IISH), at IISH headquarters. The European Mashathon follows on the heels of a previous WorldCat Hackathon in New York City. Participants will spend the two days brainstorming and coding mash-ups with local systems, OCLC Web Services, and many other Web Services to embellish existing library services and create new ones"