The benefits of the Web ontology language in Web applications
An ontology defines the terms used to describe and represent an area of knowledge. Ontologies are critical for applications that need to search across or merge information from diverse communities. Although XML DTDs and XML Schemas are sufficient for exchanging data between parties who have agreed to the definitions beforehand, their lack of semantics prevents machines from reliably performing this task with new XML vocabularies.
The Semantic Web is a vision for the future of the Web in which information is given explicit meaning, making it easier
