Knowledge database updating method, computer program product and electronic equipment

The invention provides a knowledge database updating method, a computer program product and electronic equipment, and relates to the technical field of computers.The method comprises the steps that entity extraction is conducted on the basis of a target document and a plurality of similar documents, and at least one entity is obtained; based on a matrix similarity form between each first description text and each second description text of each entity, determining a structural conflict rate of the target document and each document in the plurality of similar documents; and determining the latest document, the first knowledge with high timeliness and the second knowledge with low timeliness based on the timeliness score comparison result, and executing knowledge updating operation based on the latest document, the first knowledge and the second knowledge. The knowledge database updating method, the computer program product and the electronic equipment provided by the invention are used for determining knowledg