In Opinion mining feature extraction is important task, since the customers do not normally express their product opinions completely according to individual features, previous research on aspect based opinion
Without knowing what could be in the documents, it is difficult to formulate efficient queries for analyzing and extracting constructive information from the data. Users demand tools to compare the documents and rank their importance and significance. Therefore, text mining has become popular and an ...
A Rule-based system like an intelligent service comparing portal may compare product prices, shippi ng options, refund options etc., Such rule based syste m requires an automatic knowledge acquisition procedure from t he Web that consists of unstructured texts. Knowled...