1. A system for predicting future trends of term taxonomies of users generated content, comprising: a network interface for accessing one or more data sources to receive the users generated connect; an analysis unit for periodically analyzing one or more term taxonomies to determine at least a trend of at least a non-sentiment phrase with respect of a plurality of respective sentiment phrases, wherein a term taxonomy is an association between a non-sentiment phrase and a sentiment phrase, the non-sentiment and sentiment phrases are included in the users generated content; and an analysis unit for generating a prediction of future behavior of the at least trend with respect of the one or more term taxonomies.