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CS583, UIC

CS583, UIC

Model of a review

An object O is represented with a finite set of features, F = {f1, f2, …, fn}.

Each feature fi in F can be expressed with a finite set of words or phrases Wi, which are synonyms.

That is to say: we have a set of corresponding synonym sets W = {W1, W2, …, Wn} for the features.

Model of a review: An opinion holder j comments on a subset of the features Sj F of object O.

For each feature fk Sj that j comments on, he/she

chooses a word or phrase from Wk to describe the feature, and

expresses a positive, negative or neutral opinion on fk.

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