2. Semantic Web unleashes your data! The Semantic Web will transform the use of content. Semantic Web – is an extension of the current web. Semantic Web – is a Web of integrated data Semantic Web - gives information well-defined meaning, Thereby better enabling computers and people to work in cooperation. Semantic Web – provides a common framework … that allows data to be shared and enables thereby a more effective discovery, automation, integration, and re-use across various applications – personalized and automatically. Semantic Web – allows reasoning over the data and offering different views over the data The Semantic Web is a collaborative effort. To learn more, please visit: http://www.w3.org Imagine registering for a conference online. In today’s Web the conference Web site lists the event time date and location along with information about the nearest airport and a hotel that offers attendees a discount. Before registering you need: to first check to make sure your schedule is clear and if it is to cut and paste the time and date into your calendar program. then to make flight and hotel arrangements, by going to several Web sites. There's no way you can just say, I want to go to that event, and let your computer do the rest, because the semantics of which bit is the date and which bit is the time is missing. But on the Semantic Web those bits will be labeled; the software on your computer will recognize those labels and automatically book your flight to the conference and reserve a hotel room with the click of a button.

3. E-Government Semantic Web helps to integrate various Customer to Customer Semantic Web helps to improve communication workflows, social inter- actions, and exchange of ideas. Business to Customer Semantic Web helps to Business to Business Semantic Web applications enable flexible and easy data exchange and service integration from various sources. Testimonials on the use of Semantic Web We reduced errors in radiological procedure orders. (by Agfa Healthcare) We enhanced search and navigation of a complex corporate Web site. (by Siderean Software & Oracle Corporation) We enabled search of web sites based (also) on their reliability. (by Segala) Other Semantic Web application fields: aerospace, automobile, finance, oil & gas, personal management, pharmacy. Semantic Web – Application fields Businesses, governments, and customers experience an exciting range of possibilities using Semantic Web technologies and applications. Application fields are: mutual sharing of project data in R&D / construction… shared human resources databases Applications fields are: personalised services more targeted offers and advertising Applications fields are: Semantic Desktop Personal information management Applications fields are: transborder data flow within the nations and continents improved quality in citizen participation and services. information sources from governmental bodies enabling a seamless inter-action between citizens and officials. build richer services that know user preferences and select relevant information from various information sources.

4. Semantic Web - A Web of Data A Web of connected knowledge bases. … standardizes how you can publish and access information. Contextualize the use of data by using ontologies. Your existing data sources, web content management, intranet systems or database systems, can be connected based on web technology and RDF. Retrieval of information through a unified query interface,... regardless how and where data is stored. Rule: RIF - interchange of rules Ontology: OWL - sharing meanings RDFS - description of properties and relationships Query: SPARQL - query language and protocol for RDF Data interchange: RDF - resources and their properties XML - (semi-)structured data Semantic Web applications are not require to use technologies from all the presented layers. Since Semantic Web issues are investigated at moment, the presented palette of Semantic Web technologies will be extended in the future. This reduces integration costs and simplifies the IT landscape, like the RSS success story has already shown. Semantic Web Structure www.w3.org