3 The datatype denoting a string corresponding to the scheme component of a URI. The datatype denoting a string corresponding to the userInfo component of a URI. The datatype denoting a string corresponding to the host component of a URI, carrying a registered name. The datatype denoting a string corresponding to the port component of a URI. The datatype denoting a string corresponding to the path component of a URI. The datatype denoting a string corresponding to the query component of a URI. The datatype denoting a string corresponding to the fragment component of a URI. The datatype denoting a string corresponding to a range of logical ports. The datatype denoting a string corresponding to a IPv4 or IPv6 address. The datatype denoting a string corresponding to a CIDR block. The datatype denoting a space-separated list of URIs. The datatype denoting a space-separated list of URI schemes. The datatype denoting a space-separated list of URI userInfos. The datatype denoting a space-separated list of URI hosts. The datatype denoting a space-separated list of URI ports. The datatype denoting a space-separated list of URI paths. The datatype denoting a space-separated list of URI queries. The datatype denoting a space-separated list of URI fragments. The datatype denoting a space-separated list of logical port ranges. The datatype denoting a space-separated list of IP addresses. The datatype denoting a space-separated list of CIDR blocks.