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Transitive Clustering

Explore transitive clustering in entity resolution, learning how this fast, conflict-free method enhances recall yet can reduce precision. Understand its operation through graphs, connected components, and real-world examples to balance classification accuracy.

Transitive clustering is the mother of all clustering algorithms for entity resolution. Its logic is appealing, super fast to compute, and beneficial for recall. However, it is typically paid with a significant reduction in precision. Let’s begin by examining how the algorithm works on a small dataset.

Connected components

Clustering follows pairwise prediction. Let r1,,rnr_1,\ldots,r_n​ denote the original records, where cij=1c_{ij}=1 if the pairwise model predicts a match between rir_i ...