Is the matching between information feature recognition and retrieval problem recognition an important part of information retrieval?

No. Information retrieval is the main way for users to query and obtain information, and it is also the method and means to find information. Information retrieval originated from the reference service and abstract index of the library. Information retrieval methods include common law, backtracking method and segmentation method. The matching of information feature recognition and retrieval problem recognition is not an important link in information retrieval. The important link is the analysis and coding of information content, and the identification of information recording and retrieval is generated. Organize storage, which organizes all records into an ordered information set in the form of files and databases.