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中文摘要：
结合云计算、云存储、分布式计算框架、结合主题和及时需求的信息爬取、基于从正例和无标注数据中学习方法的垃圾意见识别、基于本体的食品安全事件信息提取等关键技术,研究设计了全球食品安全信息监控与分析云平台,应用过程中发现其进行食品安全事件预警的效果较好。介绍了云平台的架构和关键技术。
英文摘要：
Based on the key techniques such as cloud computing,cloud storage,distributed computing framework,Web crawling whose information is relevant to the subject and timely,the opinion spam identification method which based on learning from positive and unlabeled examples,the food safety incidents＇ information extraction method which based on the ontology and so on,this paper researched and designed the GFSI cloud which could warn the event of food safety better. It introduced the architecture and the key techniques of the cloud platform.
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