A system and method for recognizing patterns in wireless device locations using wireless device location data derived from a communications signaling network is provided. The travel controlling apparatus is provided with a roadside zone distance measuring device for measuring a distance from the vehicle to a roadside zone provided in a side of the traveling path, and the present position and azimuth is determined on the basis of the roadside zone distance measured by the roadside zone distance measuring device. Heater material is radially inward of and electrically coupled to the cylindrical portion of the first electrode. The zoom manager may also selectively maintain or remove information or objects from the columns while in the column-viewing mode, such as images, headers, footers, page numbers, or other types of information or objects. A data processing system, a method for management of a network interface and a network interface are also provided by the present invention that include an embedded firewall at the network interface level of the system, which protects against inside and outside attacks on the security of data processing system.