?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Feprints.imtlucca.it%2F1651%2F&rft.title=A+Computational+Field+Framework+for+Collaborative+Task+Execution+in+Volunteer+Clouds&rft.creator=Sebastio%2C+Stefano&rft.creator=Amoretti%2C+Michele&rft.creator=Lluch-Lafuente%2C+Alberto&rft.subject=QA75+Electronic+computers.+Computer+science&rft.description=The+increasing+diffusion+of+cloud+technologies+is+opening+new+opportunities+for+distributed+and+collaborative+computing.+Volunteer+clouds+are+a+prominent+example%2C+where+participants+join+and+leave+the+platform+and+collaborate+by+sharing+their+computational+resources.+The+high+dynamism+and+unpredictability+of+such+scenarios+call+for+decentralized+self-*+approaches+to+guarantee+QoS.+We+present+a+simulation+framework+for+collaborative+task+execution+in+volunteer+clouds+and+propose+one+concrete+instance+based+on+Ant+Colony+Optimization%2C+which+is+validated+through+a+set+of+simulation+experiments+based+on+Google+workload+data.&rft.date=2013-08-01&rft.type=Working+Paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Feprints.imtlucca.it%2F1651%2F1%2Fucc2013.pdf&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Feprints.imtlucca.it%2F1651%2F6%2Fucc2013.pdf&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Feprints.imtlucca.it%2F1651%2F7%2Fsubmitted-to-ucc2013.pdf&rft.identifier=++Sebastio%2C+Stefano+and+Amoretti%2C+Michele+and+Lluch-Lafuente%2C+Alberto++A+Computational+Field+Framework+for+Collaborative+Task+Execution+in+Volunteer+Clouds.++Working+Paper+++++++(Submitted)+++