Mining method for commodity evaluation words of electronic articles and system thereof

The invention discloses a mining method for commodity evaluation words of electronic articles and a system thereof. The mining method comprises the steps of selecting the articles comprising public evaluation through general test data, setting up a general prediction model, predicting the test data in industrial fields according to the general prediction model, judging and mining new positive and negative public evaluation words, accumulating the new positive and negative public evaluation words and old positive and negative public evaluation words, fetching new public evaluation declarative sentences, setting a new prediction model according to the new public evaluation declarative sentences, predicting the test data in the industrial fields again, repeating the steps of setting up a new prediction model and mining the new positive and negative public evaluation words and the new public evaluation declarative sentences, guiding all the accumulated positive and negative public evaluation words into a general vocabulary data bank after no new positive and negative public evaluation words are mined, and using the positive and negative public evaluation words as shared vocabularies. According to the method, commodity evaluation words can be mined, the general vocabulary data bank can be set up, and the evaluation of particular commodities from the network can be screened out fast and accurately according to the commodity evaluation words.