?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Feprints.imtlucca.it%2F2267%2F&rft.title=A+Network+Model+characterized+by+a+Latent+Attribute+Structure+with+Competition&rft.creator=Boldi%2C+Paolo&rft.creator=Crimaldi%2C+Irene&rft.creator=Monti%2C+Corrado&rft.subject=HA+Statistics&rft.subject=QA+Mathematics&rft.description=The+quest+for+a+model+that+is+able+to+explain%2C+describe%2C+analyze+and+simulate+real-world+complex+networks+is+of+uttermost+practical+as+well+as+theoretical+interest.+In+this+paper+we+introduce+and+study+a+network+model+that+is+based+on+a+latent+attribute+structure%3A+each+node+is+characterized+by+a+number+of+features+and+the+probability+of+the+existence+of+an+edge+between+two+nodes+depends+on+the+features+they+share.+Features+are+chosen+according+to+a+process+of+Indian-Buffet+type+but+with+an+additional+random+%22fitness%22+parameter+attached+to+each+node%2C+that+determines+its+ability+to+transmit+its+own+features+to+other+nodes.+As+a+consequence%2C+a+node's+connectivity+does+not+depend+on+its+age+alone%2C+so+also+%22young%22+nodes+are+able+to+compete+and+succeed+in+acquiring+links.+One+of+the+advantages+of+our+model+for+the+latent+bipartite+%22node-attribute%22+network+is+that+it+depends+on+few+parameters+with+a+straightforward+interpretation.+We+provide+some+theoretical%2C+as+well+experimental%2C+results+regarding+the+power-law+behaviour+of+the+model+and+the+estimation+of+the+parameters.+By+experimental+data%2C+we+also+show+how+the+proposed+model+for+the+attribute+structure+naturally+captures+most+local+and+global+properties+(e.g.%2C+degree+distributions%2C+connectivity+and+distance+distributions)+real+networks+exhibit.%0D%0A&rft.date=2014-07&rft.type=Working+Paper&rft.type=NonPeerReviewed&rft.identifier=++Boldi%2C+Paolo+and+Crimaldi%2C+Irene+and+Monti%2C+Corrado++A+Network+Model+characterized+by+a+Latent+Attribute+Structure+with+Competition.++Technical+Report++%23+%2F2014++++++++(Submitted)+++&rft.relation=http%3A%2F%2Farxiv.org%2Fabs%2F1407.7729