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Part III. Appendix 1: Metadata and Data DiscoverySemanticOf or relating to meaning, especially meaning in language. (From The AmericanHeritage Dictionary, third edition)Semantic WebThe abstract representation of data on the World Wide Web, based on the RDFstandards and other standards to be defined. It is being developed by the W3C, incollaboration with a large number of researchers and industrial partners. (Fromhttp://www.w3.org/2001/sw/)SOAP/XMLSOAP is a lightweight protocol for exchange of information in a decentralized,distributed environment. It is an XML-based protocol that consists of threeparts: an envelope that defines a framework for describing what is in a messageand how to process it, a set of encoding rules for expressing instances of application-defineddatatypes, and a convention for representing remote procedure callsand responses. (From http://www.w3.org/TR/SOAP/)SyntacticOf or relating to the rules of syntax. Conforming to accepted patterns of syntax.(From The American Heritage Dictionary, third edition)SyntaxThe rules governing construction of a machine language. A systematic, orderlyarrangement. (From The American Heritage Dictionary, third edition)Web ServicesThe World Wide Web is more and more used for application-to-applicationcommunication. The programmatic interfaces made available are referred to asWeb Services. (From http://www.w3c.org/2002/ws/)XMLThe Extensible Markup Language (XML) is the universal format for structureddocuments and data on the web. (From http://www.w3c.org/XML/)136