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Abstract

A method of providing a comparison-based ranked output includes extracting a plurality of pairwise comparisons between transaction objects, from a data set comprising transaction histories of one or more users' transactions with transaction objects over time. The method includes determining a plurality of user groups, wherein each user group of the plurality of user groups is associated with a common level feature among a set of transaction objects. For each transaction object, a present height associated with the transaction object based on the extracted plurality of pairwise comparisons is determined. Further, the method includes generating, based on a comparison of present heights of transaction objects associated with the common level feature, a data object comprising a ranking of transaction objects for a user group of the plurality of user groups, and providing the data object to an application to provide a user interface based on the ranking of transaction objects.

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