An information processing system, comprising: a linkage database in which a person is linked with a property; a person database in which the person is associated with a role of the person and one or more functions that can be used by the person; a property database in which the property is associated with one or more functions used in the property; a first permission management unit configured to manage one or more functions that can be used by the person in the property, by using the person database and the property database; and a second permission management unit configured to manage one or more properties whose information can be accessed by the person, by using the linkage database, wherein the person database includes a user information database in which user identification information for identifying the person is associated with the role assigned to the person, wherein the second permission management unit receives as input user identification information included in authentication information, and refers to the linkage database to extract a list of the properties whose information can be accessed associated with the person identified with the user identification information, and wherein the first permission management unit refers to the user information database to extract a role of the identified person, and refers to the person database to extract a list of functions that can be used by the identified person from among functions used in each property included in the list of the properties whose information can be accessed. a linkage database in which a person is linked with a property; a person database in which the person is associated with a role of the person and one or more functions that can be used by the person; a property database in which the property is associated with one or more functions used in the property; a first permission management unit configured to manage one or more functions that can be used by the person in the property, by using the person database and the property database; and a second permission management unit configured to manage one or more properties whose information can be accessed by the person, by using the linkage database, a property database in which the property is associated with one or more functions used in the property; a first permission management unit configured to manage one or more functions that can be used by the person in the property, by using the person database and the property database; and a second permission management unit configured to manage one or more properties whose information can be accessed by the person, by using the linkage database, wherein the person database includes a user information database in which user identification information for identifying the person is associated with the role assigned to the person, wherein the second permission management unit receives as input user identification information included in authentication information, and refers to the linkage database to extract a list of the properties whose information can be accessed associated with the person identified with the user identification information, and wherein the first permission management unit refers to the user information database to extract a role of the identified person, and refers to the person database to extract a list of functions that can be used by the identified person from among functions used in each property included in the list of the properties whose information can be accessed. wherein the second permission management unit receives as input user identification information included in authentication information, and refers to the linkage database to extract a list of the properties whose information can be accessed associated with the person identified with the user identification information, and wherein the first permission management unit refers to the user information database to extract a role of the identified person, and refers to the person database to extract a list of functions that can be used by the identified person from among functions used in each property included in the list of the properties whose information can be accessed.