METHOD AND DEVICE FOR INFORMATION RETRIEVAL ADAPTIVE TO SPACE-TIME AND STORAGE MEDIUM STORED WITH INFORMATION RETRIEVAL PROGRAM ADAPTIVE TO SPACE-TIME

摘要

PROBLEM TO BE SOLVED: To provide a system which can switch user interfaces and provided information and increase or decrease the number of user interfaces adaptively to time fads and space regions. SOLUTION: Space-time information including the space region wherein a user is present and a time band in the space region is managed and when an operation request specified through operation tracing a user interface consisting of a view directory is inputted, space-time information is obtained to generate a retrieval condition under a condition regarding a classification item that the user specifies and a condition of the time space information; and the retrieval condition is converted into an operation request to segment a partial directory, an operation condition for the directory is generated under the retrieval condition, and the directory is retrieved under the operation condition, thereby providing the user interface of the view directory consisting of provided information and its classification information from an entry group constituting the node of the directory meeting the retrieval condition.