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- W22650531 abstract "Most recommender systems generate recommendations based on anonymous opinions. This may be fine if the recommendation is about sometime minor, such as which movie to see or which CD to buy. However, when a person is making critical decisions about his life or his business, he does not want anonymous opinions. Instead, he wants the advice of a trusted expert. If he does not personally know such an expert, then he wants a personal reference to such an via a series of trusted friends and colleagues. When such a chain can be found, then the person with the question has a good reason to believe the expert’s advice, and the has reason to respond to the questioner in a trustworthy manner. Finding experts by referral chaining can be timeconsuming process, particularly if a person is not wellconnected himself. We have created the ReferrMWeb system (Kautz, Selman, and Shah 1997) as a tool aid in finding experts on arbitrary topics. The set of all possible referral chains in a community is called a (Milgram 1967, Wasserman and Galaskiewicz 1994). ReferralWeb lets a user visualize and search such a social network. How can one generate a social network based on a community of interest? Systems such as Firefly (http://www.firefly.net) and 6DOS (http://www.qand-a.com/) require everyone to explicitly register with the system and to provide information about their interests and colleagues. Again, this may be fine if you really want to be restricted to finding experts among the set of people who are highly motivated to join that particular online community. In general, however, you want to find experts who are members of existing reM world communities. Furthermore, the best, busiest experts are probably the least likely ones to bother to register with any kind of expert locator service. Therefore it is necessary to generate social networks without the explicit cooperation of any of the people who appear in the networks. ReferralWeb does this by mining information from publicly available documents." @default.
- W22650531 created "2016-06-24" @default.
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- W22650531 date "1998-01-01" @default.
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- W22650531 title "Creating Models of Real-World Communities with ReferralWeb" @default.
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