?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Feprints.imtlucca.it%2F2119%2F&rft.title=Emergence+through+selection%3A+the+evolution+of+a+scientific+challenge&rft.creator=Quattrociocchi%2C+Walter&rft.creator=Amblard%2C+Frederic&rft.subject=QA75+Electronic+computers.+Computer+science&rft.description=One+of+the+most+interesting+scientific+challenges+nowadays+deals+with%0D%0Athe+analysis+and+the+understanding+of+complex+networks'+dynamics+and+how+their%0D%0Aprocesses+lead+to+emergence+according+to+the+interactions+among+their+components.%0D%0AIn+this+paper+we+approach+the+definition+of+new+methodologies+for+the+visualization%0D%0Aand+the+exploration+of+the+dynamics+at+play+in+real+dynamic+social+networks.We%0D%0Apresent+a+recently+introduced+formalism+called+TVG+(for+time-varying+graphs)%2C+which%0D%0Awas+initially+developed+to+model+and+analyze+highly-dynamic+and+infrastructure-less%0D%0Acommunication+networks.+As+an+application+context%2C+we+chose+the+case+of+scientific%0D%0Acommunities+by+analyzing+a+portion+of+the+ArXiv+repository+(ten+years+of+publications%0D%0Ain+physics).+The+analysis+presented+in+the+paper+passes+through+different+data%0D%0Atransformations+aimed+at+providing+different+perspectives+on+the+scientific+community%0D%0Aand+its+evolutions.%0D%0AOn+a+first+level+we+discuss+the+dataset+by+means+of+both+a+static+and+temporal%0D%0Aanalysis+of+citations+and+co-authorships+networks.+Afterward%2C+as+we+consider+that%0D%0Ascientific+communities+are+at+the+same+time+communities+of+practice+(through+coauthorship)%0D%0Aand+that+a+citation+represents+a+deliberative+selection+pointing+out+the%0D%0Arelevance+of+a+work+in+its+scientific+domain%2C+we+introduce+a+new+transformation+aimed%0D%0Aat+capturing+the+interdependencies+between+collaborations'+patterns+and+citations'%0D%0Aeffects+and+how+they+make+evolve+a+goal+oriented+systems+as+Science.%0D%0AFinally%2C+we+show+how+through+the+TVG+formalism+and+derived+indicators%2C+it+is%0D%0Apossible+to+capture+the+interactions+patterns+behind+the+emergence+(selection)+of%0D%0Aa+sub-community+among+others%2C+as+a+goal-driven+preferential+attachment+toward+a%0D%0Aset+of+authors+among+which+there+are+some+key+scientists+(Nobel+prizes)+acting+as%0D%0Aattractors+on+the+community.&rft.publisher=ArXiv&rft.date=2011&rft.type=Working+Paper&rft.type=NonPeerReviewed&rft.identifier=++Quattrociocchi%2C+Walter+and+Amblard%2C+Frederic++Emergence+through+selection%3A+the+evolution+of+a+scientific+challenge.++Working+Paper++%23+%2F2011++++ArXiv+++++++(Submitted)+++&rft.relation=http%3A%2F%2Farxiv.org%2Fabs%2F1102.0257