A Bayesian Approach to Graphical Record Linkage and Deduplication
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© 2016 American Statistical Association.We propose an unsupervised approach for linking records across arbitrarily many files, while simultaneously detecting duplicate records within files. Our key innovation involves the representation of the pattern of links between records as a bipartite graph, in which records are directly linked to latent true individuals, and only indirectly linked to other records. This flexible representation of the linkage structure naturally allows us to estimate the attributes of the unique observable people in the population, calculate transitive linkage probabilities across records (and represent this visually), and propagate the uncertainty of record linkage into later analyses. Our method makes it particularly easy to integrate record linkage with post-processing procedures such as logistic regression, capture–recapture, etc. Our linkage structure lends itself to an efficient, linear-time, hybrid Markov chain Monte Carlo algorithm, which overcomes many obstacles encountered by previously record linkage approaches, despite the high-dimensional parameter space. We illustrate our method using longitudinal data from the National Long Term Care Survey and with data from the Italian Survey on Household and Wealth, where we assess the accuracy of our method and show it to be better in terms of error rates and empirical scalability than other approaches in the literature. Supplementary materials for this article are available online.
Published Version (Please cite this version)10.1080/01621459.2015.1105807
Publication InfoSteorts, RC; Hall, R; & Fienberg, SE (2016). A Bayesian Approach to Graphical Record Linkage and Deduplication. Journal of the American Statistical Association, 111(516). pp. 1660-1672. 10.1080/01621459.2015.1105807. Retrieved from https://hdl.handle.net/10161/11817.
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Assistant Professor of Statistical Science
You can find more information about my research group and work at:https://resteorts.github.io/Recent papers of mine can be found at https://arxiv.org/search/?query=steorts&searchtype=all&source=header