?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Topology+of+large-scale+engineering+problem-solving+networks&rft.creator=Braha%2C+Dan&rft.creator=Bar-Yam%2C+Yaneer&rft.subject=Decision+Theory&rft.subject=Applied+Cognitive+Psychology&rft.subject=Sociobiology&rft.subject=Behavioral+Biology&rft.subject=Cognitive+Psychology&rft.subject=Theoretical+Biology&rft.subject=Social+Psychology&rft.subject=Behavioral+Analysis&rft.description=The+last+few+years+have+led+to+a+series+of+discoveries+that+uncovered+statistical+properties+that+are+common%0Ato+a+variety+of+diverse+real-world+social%2C+information%2C+biological%2C+and+technological+networks.+The+goal+of+the%0Apresent+paper+is+to+investigate+the+statistical+properties+of+networks+of+people+engaged+in+distributed+problem%0Asolving+and+discuss+their+significance.+We+show+that+problem-solving+networks+have+properties+~sparseness%2C%0Asmall+world%2C+scaling+regimes!+that+are+like+those+displayed+by+information%2C+biological%2C+and+technological%0Anetworks.+More+importantly%2C+we+demonstrate+a+previously+unreported+difference+between+the+distribution+of%0Aincoming+and+outgoing+links+of+directed+networks.+Specifically%2C+the+incoming+link+distributions+have+sharp%0Acutoffs+that+are+substantially+lower+than+those+of+the+outgoing+link+distributions+~sometimes+the+outgoing%0Acutoffs+are+not+even+present!.+This+asymmetry+can+be+explained+by+considering+the+dynamical+interactions+that%0Atake+place+in+distributed+problem+solving+and+may+be+related+to+differences+between+each+actor%E2%80%99s+capacity+to%0Aprocess+information+provided+by+others+and+the+actor%E2%80%99s+capacity+to+transmit+information+over+the+network.+We%0Aconjecture+that+the+asymmetric+link+distribution+is+likely+to+hold+for+other+human+or+nonhuman+directed%0Anetworks+when+nodes+represent+information+processing+and+using+elements.&rft.date=2004-01&rft.type=Other&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F3535%2F1%2FProblem-Solving.pdf&rft.identifier=++Braha%2C+Dan+and+Bar-Yam%2C+Yaneer++(2004)+Topology+of+large-scale+engineering+problem-solving+networks.++++++&rft.relation=http%3A%2F%2Fcogprints.org%2F3535%2F