Information retrieval method and system for vehicle machine

• Main Authors: ZHANG HUANQI, ZHANG JINGWEI, LUO FAN, LI XUJIE, ZHAN XIUHONG
• Format: Patent
• Language: Chinese; English
• Published: 05.07.2022
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention discloses an information retrieval method and system for a vehicle machine. The method comprises the following steps: S1, obtaining a user theme keyword; s2, obtaining a subject keyword related text, and constructing an LDA model of the subject keyword related text; s3, obtaining a preliminary subject word list related to the subject keyword; step S4, obtaining related information including the structured data and the unstructured document data; and S5, obtaining a vehicle machine retrieval result. According to the information retrieval method for the vehicle machine, the retrieval range is expanded, meanwhile, the retrieval result of the vehicle machine can be presented in a high-quality mode so as to be carried in a vehicle machine system, and the problem of rapid and accurate information retrieval in the automobile vertical field is solved. 本发明公开了用于车机的信息检索方法及系统，方法包括以下步骤：步骤S1、获取用户主题关键词；步骤S2、获取主题关键词相关文本，构建主题关键词相关文本的LDA模型；步骤S3、获取主题关键词相关的初步主题词表；步骤S4、获取包括结构化数据和非结构化文档数据的相关信息；步骤S5、获取车机检索结果。本发明提供的一种用