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Saved by 37 people (-7 private), first by anonymouse user on 2006-09-18


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on 2006-09-18 by morrita

このへんが落としどころかもしらんな

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RDFa is a syntax that accomplishes this metadata expression using a set of elements and attributes that embed RDF in XHTML. An important goal of RDFa is to achieve this RDF embedding without repeating existing XHTML content when that content is the metadata. Though RDFa was initially designed for XHTML2, one should be able to use RDFa with other XML dialects, e.g. XHTML1, SVG, given proper schema additions. An XHTML document marked up with RDFa constructs is a valid XHTML Document. RDFa is about using XHTML compatible constructs and extensions to specify RDF 'content'. It is not about embedding RDF/XML syntax into XHTML documents.

Highlighted by ironick

RDFa Primer

Embedding Structured Data in Web Pages

W3C Working Draft 26 October 2007

Highlighted by adileg

Current Web pages, written in XHTML, contain inherent structured data: calendar events, contact information, photo captions, song titles, copyright licensing information, etc. When authors and publishers can express this data precisely, and when tools can read it robustly, a new world of user functionality becomes available, letting users transfer structured data between applications and Web sites. An event on a Web page can be directly imported into a desktop calendar. A license on a document can be detected to inform the user of his rights automatically. A photo's creator, camera setting information, resolution, and topic can be published as easily as the original photo itself.

This document is an introduction to RDFa, a method for achieving precisely this kind of structured data embedding in XHTML.

Highlighted by bibliothecaire

When web data meant for humans is augmented with hints meant for computer programs, these programs become significantly more helpful, because they begin to understand more of the data's structure.

RDFa allows HTML authors to do just that. Using a few simple HTML attrib

Highlighted by victorgodot

RDF, the Resource Description Framework, is exactly the abstract data representation we've drawn out as graphs in the above examples. Each arrow in the graph is represented as a subject-predicate-object triple: the subject is the node at the start of the arrow, the predicate is the arrow itself, and the object is the node or literal at the end of the arrow. An RDF dataset is often called an "RDF graph", and it is typically stored in what is often called a "Triple Store."

Highlighted by victorgodot