Abstract: The user comments information on e-commerce website are key indicators to improve commodities and services for the producers and sellers, and they are an important reference to the same product buys for consumers. In this paper, new evaluation mechanism of network commodities for clothing commodity was put forward, and facts proved that the new method was more objective when evaluating the quality of online clothing commodities, compared with the current evaluation method.

Key words: e-commerce; information gain; term frequency-inverse document frequency