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Few-to-few Cross-domain Object Matching
Proceedings of The 3rd International Workshop on Advanced Methodologies for Bayesian Networks, PMLR 73:176-187, 2017.
Abstract
Cross-domain object matching refers to the task of inferring unknown
alignment between objects in two data collections that do not have a
shared data representation. In recent years several methods have
been proposed for solving the special case that assumes each object
is to be paired with exactly one object, resulting
in a constrained optimization problem over permutations. A related
problem formulation of cluster matching seeks to match a cluster of
objects in one data set to a cluster of objects in the other set,
which can be considered as many-to-many extension of cross-domain
object matching and can be solved without explicit constraints. In
this work we study the intermediate region between these two special
cases, presenting a range of Bayesian inference algorithms that work
also for few-to-few cross-domain object matching problems where
constrained optimization is necessary but the optimization domain is
broader than just permutations.