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Please predict whether this patent is acceptable.PATENT ABSTRACT: Embodiments relate to detecting an attitude of a user towards a target prior to or without presence of a direct expression of the attitude. A dictionary is built with a first collection of positive attitude content and a second collection of negative attitude content. In addition, a statistical model of attitude relevance is constructed based on content based similarity metrics. The model utilizes the dictionary and statistically assesses attitude relevance. Based on the assessment the user is classified as relevant or non-relevant for attitude towards the target.