tag:blogger.com,1999:blog-66044586256007064102011-11-27T16:53:51.583-08:00PLease Share your Knowlege about Web SemanticsProgrammernoreply@blogger.comBlogger21100tag:blogger.com,1999:blog-6604458625600706410.post-47773630903810353992008-08-03T23:19:00.000-07:002008-08-03T23:30:27.629-07:00<span style="font-size:85%;">"If HTML and the Web made all the online documents look like one huge book, RDF, schema, and inference languages will make all the data in the world look like one huge database"</span><br /><span style="font-size:85%;">Tim Berners-Lee, Weaving the Web, 1999</span><br /><span style="font-size:85%;">The major Building Blocks for Semantic Web</span><br /><br /><span style="font-size:85%;">1-RDF</span><br /><span style="font-size:85%;">2-RDFS</span><br /><span style="font-size:85%;">3-OWL</span><br /><span style="font-size:85%;">4-Ontologies</span><br /><br /><span style="font-size:85%;">These are all together deliver the functionality of semantic web.</span><br /><span style="font-size:85%;"></span><br /><span style="font-size:85%;">The Semantic Web is not about links between web pages.<br />The Semantic Web describes the relationships between things (like A is a part of B and Y is a member of Z) and the properties of things (like size, weight, age, and price).</span><br /><span style="font-size:85%;"></span><br />RDF (The Resource Description Framework)<br /><br /><span style="font-size:85%;">RDF (Resource Description Framework) is a markup language for describing information and resources on the web.<br />Putting information into RDF files, makes it possible for computer programs ("web spiders") to search, discover, pick up, collect, analyze and process information from the web.<br />The Semantic Web uses RDF to describe web resources.</span><br /><span style="font-size:85%;"></span><br />RDFS (RDF Schema)<br /><span style="font-size:85%;"></span><br /><span style="font-size:85%;">RDF describes resources with classes, properties, and values.<br />In addition, RDF also need a way to define application-specific classes and properties. Application-specific classes and properties must be defined using extensions to RDF<br />One such extension is RDF Schema.</span><br /><span style="font-size:85%;"></span><br />OWL (Web Ontology Language)<br /><span style="font-size:85%;"></span><br /><span style="font-size:85%;">OWL stands for Web Ontology Language<br />OWL is built on top of RDF<br />OWL is for processing information on the web<br />OWL was designed to be interpreted by computers<br />OWL was not designed for being read by people<br />OWL is written in XML<br />OWL has three sublanguages<br />OWL is a web standard</span><br /><br />Ontology<br /><br /><span style="font-size:85%;">Ontology is about the exact description of things and their relationships.<br />For the web, ontology is about the exact description of web information and relationships between web information.</span><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6604458625600706410-4777363090381035399?l=sami-semanticweb.blogspot.com' alt='' /></div>Programmernoreply@blogger.com0tag:blogger.com,1999:blog-6604458625600706410.post-9196034457597642852008-08-01T22:45:00.000-07:002008-08-01T22:46:44.269-07:00Dear All<br /><br />we just create this blog for sharing knowledge in the field semantic web.<br /><br />Regards<br />Sami<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6604458625600706410-919603445759764285?l=sami-semanticweb.blogspot.com' alt='' /></div>Programmernoreply@blogger.com1