|  | The RETSINA 
                    Agent-to-Agent (A2A) Communications Library allows agent applications 
                    to interact with each other over connections that traverse 
                    the popular Gnutella peer-to-peer (p2p) network. Utilizing 
                    the same protocols and messaging constructs that Gnutella 
                    file sharing applications use, agent applications can interact 
                    with other agents, or Gnutella clients, anywhere in the world 
                    across the Internet.  Automatic 
                    processes in the library facilitate agent interactions by 
                    dynamically discovering other groups of agents with similar 
                    interests that are currently active on the Internet, and forming 
                    interlinked communities of these agents. The asynchronous 
                    managed-broadcast communications model of the Gnutella peer-to-peer 
                    network allows multiple service providers to respond to agent 
                    queries and requests. Encryption and filtering of messages 
                    to require agent-only processing of the most appropriate messages 
                    is also part of the library's core functionality. Publications K. Sycara, 
                    M. Paolucci, A. Ankolekar and N. Srinivasan, "Automated 
                    Discovery, Interaction and Composition of Semantic Web services," 
                    Journal of Web Semantics, Volume 1, Issue 1, September 
                    2003, pp. 27-46.   M. Paolucci, 
                    K. Sycara, T. Nishimura, and N. Srinivasan, "Using 
                    DAML-S for P2P Discovery," in Proceedings of the 
                    First International Conference on Web Services (ICWS'03), 
                    Las Vegas, Nevada, USA, June 2003, pp 203- 207 . B. 
                    Langley, M. Paolucci, and K. Sycara, "Discovery 
                    of Infrastructure in Multi-Agent Systems," in Agents 2001 Workshop on Infrastructure for Agents, MAS, and Scalable MAS. 
 
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                    Institute Project Page |  |