?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Emergence+of+Self-Organized+Symbol-Based+Communication++%0D%0Ain+Artificial+Creatures+&rft.creator=Loula%2C+Angelo&rft.creator=Gudwin%2C+Ricardo&rft.creator=El-Hani%2C+Charbel&rft.creator=Queiroz%2C+Jo%C3%A3o&rft.subject=Language&rft.subject=Complexity+Theory&rft.subject=Artificial+Intelligence&rft.description=+In+this+paper%2C+we+describe+a+digital+scenario+where+we+simulated+the+emergence+of++self-organized++symbol-based++communication++among++artificial++creatures++inhabiting++a+%0D%0Avirtual++world++of++unpredictable++predatory++events.++In++our++experiment%2C++creatures++are+autonomous++agents++that++learn++symbolic++relations++in++an++unsupervised++manner%2C++with++no+explicit+feedback%2C+and+are+able+to+engage+in+dynamical+and+autonomous+communicative+interactions+with+other+creatures%2C+even+simultaneously.+In+order+to+synthesize+a+behavioral+ecology+and+infer+the+minimum+organizational+constraints+for+the+design+of+our+creatures%2C+%0D%0Awe++examined++the++well-studied++case++of++communication++in++vervet++monkeys.++Our++results+show+that+the+creatures%2C+assuming+the+role+of+sign+users+and+learners%2C+behave+collectively+as++a++complex++adaptive++system%2C++where++self-organized++communicative++interactions++play++a+%0D%0Amajor+role+in+the+emergence+of+symbol-based+communication.+We+also+strive+in+this+paper+for+a+careful+use+of+the+theoretical+concepts+involved%2C+including+the+concepts+of+symbol+and+emergence%2C+and+we+make+use+of+a+multi-level+model+for+explaining+the+emergence+of+symbols+in+semiotic+systems+as+a+basis+for+the+interpretation+of+inter-level+relationships+in+the+semiotic+processes+we+are+studying.++&rft.date=2008&rft.type=Journal+(Paginated)&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6320%2F1%2FLoulaetal%2528inpress%2529Emergence-of-Self-Organized-Symbol-Based-Communication-in-Artificial-Creatures%2528preprint%2529.pdf&rft.identifier=++Loula%2C+Angelo+and+Gudwin%2C+Ricardo+and+El-Hani%2C+Charbel+and+Queiroz%2C+Jo%C3%A3o++(2008)+Emergence+of+Self-Organized+Symbol-Based+Communication+in+Artificial+Creatures.++%5BJournal+(Paginated)%5D++++(In+Press)++&rft.relation=http%3A%2F%2Fcogprints.org%2F6320%2F