| Summary: | Based on the research of vertical search engine and cross-language information retrieval, a crosslanguage vertical search engine design for e-commerce platform is proposed. It aims to solve the problem that it is difficult for Internet users to quickly, efficiently, and comprehensively search for valuable products, especially ethnic minority netizens. Cross-language in this article mainly refers to the conversion of Chinese, English, and Tibetan. Using dictionary-based query translation method to translate query words to achieve cross-language function. Improved Heritrix designed a web crawler information collection method. Using HtmlParser to achieve structured information extraction, and using Lucene to build an index and achieve retrieval.
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