Patent Document ID: 7743054
Application ID: 11115565

Base Claim:
1. An information retrieval system for providing information to a user, comprising: a computing device operatively coupled to a database; the computing device further including: a searching part configured to extract a matched data group satisfying a search condition from a data group to be searched; a screen generator configured to generate a list display screen for displaying a list of information of the matched data group extracted by said searching part using, as said search condition, a first search condition entered by the user, and configured to generate a plurality of selection display screen groups displaying information including detailed information of data selected by the user from said matched data group; the screen generator configured to display a first selection display screen corresponding to first information included in said selected data, and the first selection display screen prompts the user to select a second search condition; the screen generator configured to display a second selection display screen corresponding to second information, which provides greater detail than is included in said first information and corresponds to said selected data; a storage portion configured to store first relation information as information of the relation between said first search condition and said selected data, wherein a screen to be displayed on said display is switched among said list display screen and said plurality of selection display screen groups in response to a screen transition instruction given from the user, said screen transition instruction providing an indication of the user's level of satisfaction regarding desired search results; said first relation information is updated in response to said screen transition instruction to strengthen a relation between the first search condition and the selected data for a next search session in which said first searching condition is designated by the user again, and wherein the strengthened relation is assigned to said next search session whereby said list display screen in the next search session is generated in response to the strengthened relation.

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Claim 6:
6. The information retrieval system according to claim 1 , wherein said first relation information stored in said storage is used for said searching process or said screen generating process.