Using web data provenance for quality assessment
Lancaster EPrints (Lancaster University)Published 25 October 2009Open access
Olaf Hartig, Jun Zhao
Citations121
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Abstract
Abstract—The Web of Data cannot be a trustworthy data source unless an approach for evaluating the quality of data on the Web is established and integrated as part of the data publication and access process. In this paper, we propose an approach of using provenance information about the data on the Web to assess their quality and trustworthiness. Our contributions include a model for Web data provenance and an assessment method that can be adapted for specific quality criteria. We demonstrate how this method can be used to evaluate the timeliness of data on the Web, to reflect how up-to-date the data is. We also propose a possible solution to deal with missing provenance information by associating certainty values with calculated quality values. I.
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Computer ScienceDecision Sciences
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