1. A system for real-time monitoring of changes in a sentiment with respect to an input non-sentiment phrase, comprising: a data warehouse storage for storing a plurality of phrases including sentiment phrases, non-sentiment phrases and a plurality of term taxonomies, wherein each of the stored term taxonomies is an association of a non-sentiment phrase with a sentiment phrase, wherein at least one of the stored term taxonomies includes the input non-sentiment phrase; an analysis unit for at least computing sentiment trends for the at least one of the stored term taxonomies including the input non-sentiment phrase; an interface for receiving the input non-sentiment phrase and at least one tendency parameter of the input non-sentiment phrase; a monitor for querying the analysis unit to compute a sentiment trend for the at least one of the stored term taxonomies, wherein the monitor is further configured to determine, in real-time, changes in a direction of the computed sentiment trend with respect to the at least one input tendency parameter; and an output unit for generating at least a notification responsive to determination that the change in the direction of the computed sentiment trend with respect to the at least one input tendency parameter has occurred, wherein the notification is generated in real-time as the change in the direction of the sentiment trend has occurred.