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AbstractWe introduce Sprite, a family of topic models that incorporates structure into model priors as a function of underlying components. The structured priors can be constrained to model topic hierarchies, …...

This paper presents a clustering approach that simultaneously identifies product features and groups them into aspect categories from on- line reviews. Unlike prior approaches that first extract features and then …...

AbstractUsers express their opinions towards entities (e.g., restaurants) via online reviews which can be in diverse forms such as text, ratings, and images. Modeling reviews are advantageous for user behavior …...