13. The method of claim 12 , wherein generating the plurality of term taxonomies comprises: crawling the one or more data sources by an agent operative on a computing device to collect textual content from the one or more data sources; performing phrase extraction using the textual content and generating phrases; identifying sentiment phrases and non-sentiment phrases from the phrases; and associating a sentiment phrase with at least a non-sentiment phrase, wherein an association between a non-sentiment phrase and at least one corresponding sentiment phrase is a term taxonomy.
13. The method of claim 12 , wherein generating the plurality of term taxonomies comprises: crawling the one or more data sources by an agent operative on a computing device to collect textual content from the one or more data sources; performing phrase extraction using the textual content and generating phrases; identifying sentiment phrases and non-sentiment phrases from the phrases; and associating a sentiment phrase with at least a non-sentiment phrase, wherein an association between a non-sentiment phrase and at least one corresponding sentiment phrase is a term taxonomy. 14. The method of claim 13 , wherein identifying the sentiment phrases and non-sentiment phrases comprises: comparing the phrases to sentiment phrases and non-sentiment phrases stored in a phrases database; determining that a phrase is a sentiment phrase if a match is found between the phrase and at least one sentiment phrase in the phrase database; and determining a phrase is a non-sentiment phrase when a match is found between the phrase and at least one non-sentiment phrase in the phrase database.