Question And Answer System For Food Safety Laws And Regulations

Food safety has always been inextricably linked to people’s lives.The rich in today’s world material life,people no longer only pursue food to have enough to eat,but also pay special attention to food safety.In the Internet era,more diversified systems are needed to better serve the public.In the field of food safety laws and regulations,when users consult relevant laws,regulations and regulations,due to the limitations of traditional search engines and the complexity of food safety laws and regulations,users usually cannot get the answers they want quickly and effectively.Based on the thinking of these problems,this paper studies the question answering system based on knowledge atlas,by extracting from the huge amounts of data in a structured knowledge to build knowledge map,and then in the question answering system,in the form of an interactive visualization,multidimensional,fully display the core content of food safety laws and regulations and the hierarchy relationship,to the professionals and the general audience,show more convenient,A platform for a smarter way.The research object of this paper is mainly for food safety laws and regulations data,and the law and regulations Q&A system based on knowledge graph is constructed.The main research work is as follows:(1)Obtain food safety laws and regulations data from the network and analyze the needs of users.In view of the certain characteristics of China’s laws and regulations in the chapter,in the extraction practice of entities,entity attributes and relationships,the traditional methods and deep learning methods are combined to establish the knowledge graph about the laws and regulations of food safety.(2)Obtain the data about food safety laws and regulations from the Internet.Deep learning technology is used to effectively classify the problems related to food safety laws and regulations according to data characteristics.(3)Combine the questions about food safety laws and regulations put forward by users with the constructed knowledge graph to construct the user question template.Then the template is matched with the classified questions to realize the query retrieval of knowledge graph,and the retrieval content is presented to users in a visual form.The question and answer system can not only give users reasonable answers,but also has the function of file display and download of relevant questions and answers,which not only improves the retrieval efficiency of users,but also meets various needs,and provides more ideas and possibilities in the field of food safety laws and regulations.