(1) Information screening: Identifying useful information and eliminating useless information from the disorganized information flow is the first step in the information organization process.
(2) Information analysis: according to a certain logical relationship, the information activity of extracting, mining, sorting out and classifying the internal and external characteristics of the selected information from grammar, semantics and pragmatics.
(3) Information description and disclosure: also known as information resource description, the activity of analyzing, selecting and recording the subject content, formal features and material forms of information resources according to the needs of information organization and retrieval.
(4) Information storage: an information activity that stores the processed and sorted information on a specific carrier in a certain format and order.
(5) Information service: the goal and purpose of information analysis.