Design and Implementation of Vertical Search Platform for Electronic Product Information

By expanding and improving powerful open source crawler framework Heritrix, this paper directionally captures electronic product information and largely improves crawler's efficiency. Then, specialized vocabulary such as electronic product brand expands theme lexicon by JE word segmentation tool so as to become a characteristically specialized lexicon and improve query accuracy to a large extent. Based on design and test of each functional module in the past, this search system is performed the integrated test and can successfully realize simple query operation of sports products with the detailed parameter page of sports products. Query page and detailed information page of electronic product all have URL address of product information source so that users can quickly reach original page to realize user's purchasing requirement of product.