[1] Smith, J.M., Szathm´ary, E.: The Major Transitions in Evolution. Oxford University Press (1995)

[2] Kendon, A.: Some considerations for a theory of language origins. Man, New Series 26(2) (1991) 199-221

[3] Aiello, L.C.: The foundations of human language. In Jablonski, N.G., Aiello, L.C., eds.: The Origin and Diversification of Language. Wattis Symposium Series in Anthropology, Memoirs of the California Academy of Sciences, Number 24. University of California Press (1998)

[4] Johansson, S.: Why Did Language Evolve? In: Origins of Language: Constraints on Hypotheses. John Benjamins Publishing Company, Amsterdam/Philadelphia (2005)

[5] Hurford, J.: The evolution of language and languages. In Dunbar, R., Knight, C., Power, C., eds.: The Evolution of Culture. Edinburgh University Press (1999) 173-193

[6] Comrie, B.: From potential to realisation: An episode in the origin of language. In Trabant, J., Ward, S., eds.: New Essays on the Origin of Language. Number 133 in Trends in Linguistics, Studies and Monographs. Mouton de Gruyter, Berlin - New York (2001)

[7] Chomsky, N.: Rules and Representations. Columbia University Press, New York (1980)

[8] Pinker, S., Bloom, P.: Natural language and natural selection. Behavioral and Brain Sciences 13 (1990) 707-784

[9] Hauser, M.D., Chomsky, N., Fitch, W.T.: The faculty of language: What is it, who has it, and how did it evolve? Science 298 (2002) 1569-1579

[10] Pinker, S., Jackendoff, R.: The faculty of language: What's special about it? Cognition 95 (2005) 201-236

[11] Bickerton, D.: Language and Species. University of Chicago Press (1990)

[12] Johansson, S.: Protolanguage. In: Origins of Language: Constraints on Hypotheses. John Benjamins Publishing Company, Amsterdam/Philadelphia (2005)

[13] Jackendoff, R.: Possible stages in the evolution of the language capacity. Trends in Cognitive Science 3(7) (1999) 272-279

[14] Wagner, K., Reggia, J., Uriagereka, J., Wilkinson, G.: Progress in the simulation of emergent communication and language. Adaptive Behavior 11(1) (2003) 37-69

[15] Cucker, F., Smale, S., Zhou, D.X.: Modelling Language Evolution. In: Language Acquisition, Change and Emergence. (2003)

[16] Komarova, N.L.: Replicator-mutator equation, universality property and population dynamics of learning. Journal of Theoretical Biology 230 (2004) 227-239

[17] Steels, L., Kaplan, F.: Collective learning and semiotic dynamics. In Floreano, D., Nicoud, J.D., Mondada, F., eds.: Proceedings of the European Conference on Artificial Life (ECAL), Springer-Verlag (1999) 679-688

[18] Nowak, M.A., Plotkin, J.B., Jansen, V.A.A.: The evolution of syntactic commmunication. Nature 404 (2000) 495-498

[19] Roy, D.: Grounding words in perception and action: Computational insights. Trends in Cognitive Sciences 9(8) (2005) 389-396

[20] Taddeo, M., Floridi, L.: Solving the symbol grounding problem: a critical review of fifteen years of research. Journal of Experimental and Theoretical Artificial Intelligence 17(4) (2005) 419-445

[21] Franks, N.R., Pratt, S.C., Mallon, E.B., Britton, N.F., Sumpter, D.J.T.: Information flow, opinion polling and collective intelligence in househunting social insects. Phil. Trans. R. Soc. Lond. B 357 (2002) 1567-1584

[22] Bassler, B.L.: How bacteria talk to each other: Regulation of gene expression by quorum sensing. Current Opinion in Microbiology 2(6) (1999) 582-587

[23] Reading, N.C., Sperandio, V.: Quorum sensing: The many languages of bacteria. FEMS Microbiology Letters 254(1) (2006) 1-11

[24] G¨ardenfors, P.: Cooperation and the evolution of symbolic communication. In Oller, K., Griebel, U., eds.: Evolution of Communicative Systems: A Comparative Approach. MIT Press, Cambridge, MA, USA (2004) 237-256

[25] Hockett, C.F.: The origin of speech. Scientific American 203(3) (1960) 88-96

[26] Deacon, T.: The Symbolic Species: The Co-Evolution of Language and the Brain. W. W. Norton and Co. (1997)

[27] Seyfarth, R.M., Cheney, D.L.: Monkey responses to three different alarm calls: Evidence of predator classification and semantic communication. Science 210 (1980) 801-803

[28] Savage-Rumbaugh, S., Rumbaugh, D.M., McDonald, K.: Language learning in two species of apes. Neuroscience and Biobehavioral Reviews 9(4) (1985) 653-665

[29] Rosen, R.: Anticipatory Systems. Pergamon Press (1985)

[30] Butz, M.V., Sigaud, O., G´erard, P.: Internal models and anticipations in adaptive learning systems. In Butz, M.V., Sigaud, O., G´erard, P., eds.: Anticipatory Behavior in Adaptive Learning Systems: Foundations, Theories, and Systems. Volume 2684 of LNCS. Springer-Verlag, Berlin (2003) 86-109

[31] Davidson, J.: Genetic exchange between bacteria in the environment. Plasmid 42(2) (1999) 73-91

[32] Sutton, R.S., Barto, A.G.: Reinforcement Learning: An Introduction. MIT Press, Cambridge, MA (1998)

[33] Hammer, M., Menzel, R.: Learning and memory in the honeybee. The Journal of Neuroscience 15(3) (1995) 1617-1630

[34] Aiello, L.C., Dunbar, R.I.M.: Neocortex size, group size, and the evolution of language. Current Anthropology 34(2) (1993) 184-193

[35] Worden, R.: The evolution of language from social intelligence. In Hurford, J.R., Studdert-Kennedy, M., Knight, C., eds.: Approaches to the Evolution of Language: Social and Cognitive Bases. Cambridge University Press, Cambridge (1998)

[36] G¨ardenfors, P., Osvath, M.: The evolution of anticipatory cognition as a precursor to symbolic communication. In: Proceedings of the Morris Symposium on the Evolution of Language, Stony Brook, NY, USA (2005)

[37] Balkenius, C., G¨ardenfors, P., Hall, L.: The origin of symbols in the brain. In: Proceedings of the Conference on the Evolution of Language, Paris (2000)

[38] Vilalta, R., Drissi, Y.: A perspective view and survey of meta-learning. Artificial Intelligence Review 18(2) (2002) 77-95

[39] Swarup, S., Mahmud, M.M.H., Lakkaraju, K., Ray, S.R.: Cumulative learning: Towards designing cognitive architectures for artificial agents that have a lifetime. Technical Report UIUCDCS-R-2005-2514 (2005)

[40] McGovern, A., Barto, A.G.: Automatic discovery of subgoals in reinforcement learning using diverse density. Proceedings of the International Conference on Machine Learning (2001)

[41] Sutton, R., Precup, D., Singh, S.: Between MDPs and semi-MDPs: A framework for temporal abstraction in reinforcement learning. Artificial Intelligence 112(1-2) (1999) 181-211

[42] Drummond, C.: Accelerating reinforcement learning by composing solutions of automatically identified subtasks. Journal of Artificial Intelligence 16 (2002) 59-104

[43] Byrne, R., Whiten, A., eds.: Machiavellian Intelligence. Social Expertise and the Evolution of Intellect in Monkeys, Apes and Humans. Clarendon Press, Oxford (1988)

[44] Cheney, D.L., Seyfarth, R.M.: Constraints and preadaptations in the earliest stages of language evolution. Linguistic Review 22 (2005) 135-159

[45] Dunbar, R.I.M.: Grooming, Gossip, and the Evolution of Language. Faber and Faber (1997)

[46] Steels, L.: The recruitment theory of language origins. In: Proceedings of the Alice V. and David H. Morris International Symposium on Language and Cognition: The Evolution of Language, SUNY Stony Brook (2005)

[47] Arbib, M.A.: From monkey-like action recognition to human language: an evolutionary framework for neurolinguistics. Behavioral and Brain Sciences 28 (2005) 105-167

[48] Rizzolatti, G., Camarda, R., Fogassi, L., Gentilucci, M., Lupino, G., Matelli, M.: Functional organization of inferior area 6 in the macaque monkey. ii. area f5 and the control of distal movements. Experimental Brain Research 71(3) (1988) 491-507

[49] Gallese, V., Goldman, A.: Mirror neurons and the simulation theory of mind-reading. Trends in Cognitive Sciences 2(12) (1998) 493-501

[50] Rizzolatti, G., Arbib, M.A.: Language within our grasp. Trends in Neurosciences 21(5) (1998) 188-194

[51] Zlatev, J., Persson, T., G¨ardenfors, P.: Bodily mimesis as "the missing link" in human cognitive evolution. Technical Report LUCS121, Lund University Cognitive Science, Lund, Sweden (2005)

[52] Werner, G.M., Dyer, M.G.: Evolution of communication in artificial organisms. In Langton, C.G., Taylor, C., Farmer, J.D., Rasmussen, S., eds.: Artificial Life II, Reading, Mass., Addison-Wesley (1991)

[53] Tuci, E., Ampatzis, C., Vicentini, F., Dorigo, M.: Operational aspects of the evolved signalling behavior in a group of cooperating and communicating robots. In: Proceedings of the 3rd International Symposium on the Emergence and Evolution of Linguistic Communication (EELCIII); at the Conference on the Simulation of Adaptive Behavior (SAB06). Volume 4211 of LNAI., Rome, Italy (2006) 113-127

[54] Vogt, P.: Language evolution and robotics: Issues in symbol grounding and language acquisition. In: Artificial Cognition Systems. Idea Group (2006)

[55] Cangelosi, A., Parisi, D.: The emergence of a "language" in an evolving population of neural networks. Connection Science 10 (1998) 83-97

[56] Cangelosi, A.: Modeling the evolution of communication: From stimulus associations to grounded symbolic associations. In D. Floreano, J.N., Mondada, F., eds.: Proceedings of the European Conference on Artificial Life, Berlin, Springer-Verlag (1999) 654-663

[57] Smith, K., Kirby, S., Brighton, H.: Iterated learning: A framework for the emergence of language. Artificial Life 9(4) (2003) 371-386

[58] Christiansen, M.H., Kirby, S.: Language evolution: The hardest problem in science? In Christiansen, M., Kirby, S., eds.: Language Evolution: The States of the Art. Oxford University Press (2003)