Knowledge management: build a quantified and qualitative knowledge system in the organization, and allow the information and knowledge in the organization to continuously feedback to the knowledge system through processes such as acquisition, creation, sharing, integration, recording, access, update or innovation. It will form an uninterrupted accumulation of personal and organizational knowledge, and become a cycle of organizational intelligence. It will become the intelligent capital of management and application in the enterprise organization, which will help companies to make correct decisions to cope with market changes. It is a process of creating, acquiring, and using knowledge to enhance the performance of an organization. Based on the above definitions, which of the following is not the knowledge management? ["Ernst & Yong has developed an electronic file system which can quickly encode and store employees' knowledge and information into a file database. It can be called by company personnel and become a company's standardized, high-quality and fast consulting service.", "Dell: Leaving employees' results and customer information in the company, that is, separation of people from information.", "Dow's patent management: divided into current use, will use and not use, saving patent tax, obtaining patent royalties, about 200 million US dollars a year.", "Smnrtall implements layoffs throughout the company based on data from last year's annual report."]