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This Thinking XML column shows how to combine metadata collected from multiple XML source documents into a single Resource Description Framework (RDF) model for effective querying. In this follow-up to his previous installment that introduced how to use X
FOAFCorp: Corporate Friends of Friends What is this? RDF is a great data format for describing interconnected entities. With FOAF, we have a simple fun vocabulary for describing social networks, people, organisations etc. The FOAFCorp experiment extends
Repeat after me: "There is no syntax." In order to use and gain advantage from RDF, you do not have to use any particular syntax -- not even the syntax specified in the RDF 1.0 specification. Uche Ogbuji discusses the importance of XML/RDF interchange, of
The motivation is to enable the common and consistent description of persons (using the existing semantics of vCard) and to encode these in RDF/XML. RDF is an application of the Extensible Markup Language XML.
RDFWeb is intended to be both fun and technically challenging. We hope that at least some of the writing here will be accessible for a general audience, although much of it will be for the rather small community familiar with the subtleties of various Sem
This is a language which is a compact and readable alternative to RDF's XML syntax, but also is extended to allow greater expressiveness. It has subsets, one of which is RDF 1.0 equivalent, and one of which is RDF plus a form of RDF rules.
Since there is no one standardized approach for associating RDF compatible metadata with HTML, and since this is one of the most frequently asked questions on the RDF mailing lists, this document is provided as an outline of some RDF-in-HTML approaches th
Microformats: Recognizing the complexity of RDF and OWL, the goal of microformats is to embed basic semantics (meaningful relationships) right into HTML pages. It is not as expressive right now as RDF and OWL, but it's compact & and uses at-hand XHTML. A
The Resource Description Framework (RDF) is a W3C standard for describing Web resources, such as the title, author, modification date, content, and copyright information of a Web page. What is RDF? RDF stands for Resource Description Framework RDF is
Semantic Interoperability of Metadata and Information in unLike Environments. SIMILE is focused on developing robust, open source tools based on Semantic Web technologies that improve access, management and reuse among digital assets. SIMILE is a joint p
RDF--the Resource Description Framework--is a universal format for data on the Web. Using a simple relational model, it allows structured and semi-structured data to be mixed, exported and shared accross different applications. RDF data describe all sorts