This work is licensed under the Creative Commons Attribution-ShareAlike License. To view a copy of this license, see the file license.txt, visit http://creativecommons.org/licenses/by-sa/2.0 or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA. This component schema defintion provides global type declarations for those LOM data elements whose values are taken from a Vocabulary data type. This component XSD requires schema components from other schemas that are defined in other namespaces. These statements import the appropriate components. The xsi:schemaLocation attribute is used to specify the location of the file that contains the schema that defines the namespace. The xsi:schemaLocation attribute is optional and is ommitted. By definition of the composite schemas the appropriate namespaces and related files where those namespaces are defined are brought into scope. Some XML parsers may require these import statements to contain the optional xsi:schemaLocation attribute.