Abstract: Provided is a business card management server that makes it possible to efficiently input information on business cards while protecting personal security, including: a business card information storage unit 101 in which business card information having a business card image and a business card identifier is stored; a piece storage unit 102 in which two or more pieces, each of which is an image in which only part of a business card image is recognizable, are stored for each business card image; a piece transmitting unit 104 that transmits two or more piece information each of which has one of two or more pieces corresponding to one business card image and further has a business card identifier, to one or more input terminals 20; a partial business card information receiving unit 105 that receives partial business card information having a business card identifier and a business card partial character string corresponding to a piece, from the input terminals 20; and a business card partial character string acc

Abstract: Provided is a business card management server that makes it possible to efficiently input information on business cards while protecting personal security, including: a business card information storage unit 101 in which business card information having a business card image and a business card identifier is stored; a piece storage unit 102 in which two or more pieces, each of which is an image in which only part of a business card image is recognizable, are stored for each business card image; a piece transmitting unit 104 that transmits two or more piece information each of which has one of two or more pieces corresponding to one business card image and further has a business card identifier, to one or more input terminals 20; a partial business card information receiving unit 105 that receives partial business card information having a business card identifier and a business card partial character string corresponding to a piece, from the input terminals 20; and a business card partial character string acc

Abstract: A business card exchange information processing apparatus includes: a personal user information storage unit in which at least two sets of personal user information, each personal user information including a user identifier, user information, and business card image of a user, can be stored; a business card exchange information storage unit in which at least one set of business card exchange information associating a user identifier with a business card image of a user with whom business cards are exchanged can be stored; an another user contact information accepting unit that accepts, from one user, another user contact information that includes the user identifier of the one user and other user's information relating to another user; and a business card exchange processing unit that, when the another user contact information has been accepted, searches the personal user information storage unit by using the another user contact information, and accumulates, in the business card exchange information storage