The present invention relates to a microblog-oriented emotional entity search system. The system comprises the following five modules: 1) a user interface used for the interaction between a system and a user, so that the user can submit a query request via the module and obtain a feedback result; 2) a query expansion module used for conducting word relationship mining on microblog corpus data and establishing a weighted word relationship diagram in combination with a WordNet ontology base; 3) a query processing module used for converting a query request of a user into a query key word and a query sentence which can be accepted by an index database and conducting query expansion based on the word relationship diagram constructed by module 2); 4) an emotional information mining module used for conducting emotional mining on a microblog corpus and generating a determination rule for an emotional entity and an emotional polarity; 5) an emotional information decision and index establishment module used for determining the emotional entity and emotional polarity of microblog data, establishing an emotional information index and storing same; and 6) an inverted index establishment module used for establishing an inverted index for microblog text information and storing same. The present invention solves the difficult problems of the extraction of a microblog emotional entity, the emotional polarity analysis and the search for an emotional entity, etc., thereby providing an intelligent search product for analyzing and monitoring public opinions on a social network.
MICROBLOG-ORIENTED EMOTIONAL ENTITY SEARCH SYSTEM