Abstract: A credit and debit log analysis device includes a credit and debit log storage unit (11) that stores a history of credit to an account of a customer to be an analysis object and debit to the account as a credit and debit log, a calendar (15) that stores information on a date, a trend discovering unit (12) that discovers a trend of credit and debit based on the credit and debit log and the calendar, a trend storage unit (13) that stores the trend, a matching rule generating unit (14) that generates a matching rule based on the trend so as to detect credit and debit data contravening the trend, a matching rule storage unit (16) that stores the matching rule, a matching unit (17) that detects a premonition by comparing the credit and debit data and the matching rule, a premonition storage unit (18) that stores the premonition, and a presentation unit (19) that presents the premonition to a user.

Abstract: There are included: a user mode presuming part 2 that presumes an individual reference value about a predetermined individual presumption item based on a user context which indicates a situation of a user and is included in a content recommendation request to calculate a user mode value; a recommendation part 3 that outputs a plurality of recommendation candidate contents extracted based on the user mode value; and a consolidating part 4 that selects and outputs as a recommendation content a predetermined number of contents from a plurality of recommendation candidate contents.

Abstract: The present invention provides, as a pressure swing adsorption type oxygen concentrator aiming to be used for the home oxygen therapy, and having the device reliability ensuring a low failure occurrence rate, and the adsorption performance stability, ensuring the stable oxygen concentration performance even over a long period, a pressure swing type oxygen concentrator having at least one adsorption column charged with an adsorbent capable of preferentially adsorbing nitrogen rather than oxygen, and an air compressor for pressure supplying and/or vacuum exhausting air to and/or from the adsorption column, characterized by including a nonwoven fabric filter for collecting sealing material wear particles in an air channel between the adsorption column and the air compressor.