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Trust management for the semantic web (2003)
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| Venue: | In ISWC |
| Citations: | 271 - 3 self |
BibTeX
@INPROCEEDINGS{Richardson03trustmanagement,
author = {Matthew Richardson and Rakesh Agrawal and Pedro Domingos},
title = {Trust management for the semantic web},
booktitle = {In ISWC},
year = {2003}
}
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Abstract
Abstract. Though research on the Semantic Web has progressed at a steady pace, its promise has yet to be realized. One major difficulty is that, by its very nature, the Semantic Web is a large, uncensored system to which anyone may contribute. This raises the question of how much credence to give each source. We cannot expect each user to know the trustworthiness of each source, nor would we want to assign top-down or global credibility values due to the subjective nature of trust. We tackle this problem by employing a web of trust, in which each user provides personal trust values for a small number of other users. We compose these trusts to compute the trust a user should place in any other user in the network. A user is not assigned a single trust rank. Instead, different users may have different trust values for the same user. We define properties for combination functions which merge such trusts, and define a class of functions for which merging may be done locally while maintaining these properties. We give examples of specific functions and apply them to data from Epinions and our BibServ bibliography server. Experiments confirm that the methods are robust to noise, and do not put unreasonable expectations on users. We hope that these methods will help move the Semantic Web closer to fulfilling its promise. 1.
Keyphrases
semantic web trust management specific function semantic web closer single trust rank uncensored system bibserv bibliography server personal trust value major difficulty though research unreasonable expectation steady pace subjective nature combination function different trust value small number much credence different user global credibility value
