A Database System for Absorbing Conflicting and Uncertain Information from Multiple Correspondents

Authors:
Richard Cooper;Laura Devenny
Affiliations:
Computing Science, University of Glasgow, Glasgow G12 8QQ;Computing Science, University of Glasgow, Glasgow G12 8QQ
Venue:
BNCOD 26 Proceedings of the 26th British National Conference on Databases: Dataspace: The Final Frontier
Year:
2009

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Abstract

This paper discusses a database system which absorbs assertions about the data from a community of correspondents capturing also the uncertainty of the assertion and taking account of the potential unreliability of the correspondent. The paper describes a system compromising the capture of such assertions, the ability to impose an authorised version of a value, the maintenance of a reliability measure for each correspondent and a querying system which returns the most likely values.