Graph-based hierarchical record clustering for unsupervised entity resolution

• URL: http://arxiv.org/abs/2112.06331v1
• Date: Sun, 12 Dec 2021 21:58:07 GMT
• Title: Graph-based hierarchical record clustering for unsupervised entity resolution
• Authors: Islam Akef Ebeid, John R. Talburt, Md Abdus Salam Siddique
• Abstract summary: We build upon a state-of-the-art probabilistic framework named the Data Washing Machine (DWM) We introduce a graph-based hierarchical 2-step record clustering method (GDWM) that first identifies large, connected components or soft clusters in the matched record pairs. That is followed by breaking down the discovered soft clusters into more precise entity clusters in a hierarchical manner.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Here we study the problem of matched record clustering in unsupervised entity resolution. We build upon a state-of-the-art probabilistic framework named the Data Washing Machine (DWM). We introduce a graph-based hierarchical 2-step record clustering method (GDWM) that first identifies large, connected components or, as we call them, soft clusters in the matched record pairs using a graph-based transitive closure algorithm utilized in the DWM. That is followed by breaking down the discovered soft clusters into more precise entity clusters in a hierarchical manner using an adapted graph-based modularity optimization method. Our approach provides several advantages over the original implementation of the DWM, mainly a significant speed-up, increased precision, and overall increased F1 scores. We demonstrate the efficacy of our approach using experiments on multiple synthetic datasets. Our results also provide evidence of the utility of graph theory-based algorithms despite their sparsity in the literature on unsupervised entity resolution.

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