European researchers have developed argumentative agent technology that relies on artificial intelligence to make reasoned decisions. The project, known as the Argugrid project, can browse the Internet for a certain product, evaluate prices, and compare quality or shipping times. The agents can enter into negotiations with other agents representing other parties in the online marketplace and haggle with them to make the best deal. “You might describe them as proxies for companies and people in electronic marketplaces,” says Imperial College London’s Francesca Toni. Argumentative agents represent a solution to the problem of needing faster, cheaper, more efficient electronic marketplace transactions. The system uses a peer-to-peer framework known as PLATON and an integrated distributed platform known as GOLEM, which supports the software agents. Although the underlying software uses several different, complex technologies, the argumentative processes are simple for users to understand. Rather than using mathematics and numbers to evaluate products, Argugrid uses text-based arguments. “People can follow and understand what is going on at any stage of the process,” Toni says. “If they wanted to it would also be possible for them to intervene and provide their own input to the decision-making and negotiating processes.” The agents also can evaluate the trustworthiness of potential business partners. The Argugrid team suggests the system can be used for other purposes such as earth observation and evaluating customer needs.
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