20. The virtual world processing method of claim 17 , wherein the encoding of the information on sensor capability into the first metadata comprises generating the first metadata by encoding the information relating to sensor capability into an XML format.
17. A virtual world processing method comprising: encoding information relating to sensor capability into first metadata based on predetermined representation syntax, wherein the predetermined representation syntax defines attributes and flags corresponding to the attributes, and wherein the first metadata includes the flags corresponding to the attributes, and at least one attribute corresponding to at least one flag having a predefined logic value; encoding information relating to a virtual world into second metadata, wherein the information relating to the virtual world comprises a virtual world object characteristic; generating information that is applied to the virtual world, based on the first metadata and the second metadata; and encoding the generated information into third metadata.