Negative information miner, a public opinion monitoring system developed by International Certification Institute core journals, is a fine-grained web information tool for grabbing the negative information about academic journals, electronic journals and ISBN. It matches over 20 billion web pages, academic journals, electronic journals and ISBN through search engines, and automatically collects them to its system through the aggregation of web pages and journals, so as to monitor the journals accepted. Any academic journal, electronic journal and collected papers that has any negative influence as reported by qualified network media shall not be accepted.