A method and system for providing a document timeline using clusters of issue units that are relevant over a long period of time.

摘要

PROBLEM TO BE SOLVED: To provide a method and a system for providing a document timeline using clusters of issue units which are related for a long period of time. A document timeline providing method utilizes a stage of generating an issue cluster as a cluster group by merging the clusters based on the similarity between clusters composed of similar documents, and the issue cluster. It may include a step of displaying a timeline for the documents contained in the issue cluster. [Selection diagram] FIG. 10