- Oct 2023
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www.w3.org www.w3.org
- Jun 2023
- Apr 2023
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schema.org schema.org
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www.crossref.org www.crossref.org
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- Jan 2023
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www.xml.com www.xml.com
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www.w3.org www.w3.org
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coffeecode.net coffeecode.net
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- Dec 2022
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the property attribute describes string literals, and the rel attribute describes link relationships
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- Sep 2022
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www.jenitennison.com www.jenitennison.com
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www.jenitennison.com www.jenitennison.com
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www.jenitennison.com www.jenitennison.com
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www.slideshare.net www.slideshare.net
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www.w3.org www.w3.org
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- Aug 2022
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www.w3.org www.w3.org
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www.w3.org www.w3.org
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awwright.github.io awwright.github.io
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webmasters.stackexchange.com webmasters.stackexchange.com
- May 2022
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www.w3.org www.w3.org
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Summary of Attributes
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about: Specifies the subject of a relationship. If not given, then the subject is the current document.
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rel : Defines a relation between the subject and a URL given by either
hreforresource. The subject is either specified by the closest about or src attribute, @@ -
rev : The same as the the
relattribute, except that subject and object are reversed. -
property : Defines a relationship between the subject and either a string (if the
contentattribute is present) or a piece of markup otherwise (thecontentof the element that the property attribute is on). -
content : Specifies a string to use as an object for the
propertyattribute -
href : Specifies an object URI for the
revandrelattributes. <mark>Takes precedence over theresourceattribute</mark>. -
resource : Specifies an object URI for the
revandrelattributes ifhrefis not present. -
src : Specifies the subject of a relationship.
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datatype : Specifies a datatype of the object of the
propertyattribute (either in thecontentattribute, or the content of the element that thedatattypeattribute is on.) By default, data in the content attribute is of typestring, and data in the content of an element has typexml:Literal. Ifdatatype=""is used, then for the RDF the element content is stripped of markup, and is of type string. -
typeof : Creates a blank node, which becomes the subject, and asserts that the current element contains relationships that match the given RDF type.
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www.legislation.gov.uk www.legislation.gov.uk
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If you are using RDFa within your pages, you can use the resource attribute to indicate that you are linking to a piece of legislation while including a link to another source of information. For example,
html The <a rel="cite" resource="http://www.legislation.gov.uk/id/ukpga/1999/17" href="http://en.wikipedia.org/wiki/Disability_Rights_Commission_Act_1999">Disability Rights Commission Act 1999</a> replaced the National Disability Council with the Disability Rights Commission (DRC).will generate the triple<> xhv:cite <http://www.legislation.gov.uk/id/ukpga/1999/17>
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theodi.org theodi.org
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The simplest way to publish a description of your dataset is to publish DCAT metadata using RDFa. RDFa allows machine-readable metadata to be embedded in a webpage. This means that publishing your dataset metadata can be easily achieved by updating the HTML for your dataset homepage.
```html
<html prefix="dct: http://purl.org/dc/terms/ rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns# dcat: http://www.w3.org/ns/dcat# foaf: http://xmlns.com/foaf/0.1/"> <head> <title>DCAT in RDFa</title> </head> <br /> <body> <div typeof="dcat:Dataset" resource="http://gov.example.org/dataset/finances">
Example DCAT Dataset
25th October 2010
10th March 2013
This is the description.
<div property="dct:license" resource="http://reference.data.gov.uk/id/open-government-licence"> <span property="dct:title">UK Open Government Licence (OGL)</span> </div> <div property="dct:publisher" resource="http://example.org/publisher"> <span property="foaf:name">Example Publisher</span> </div> <div> <span property="dcat:keyword">Examples</span>, <span property="dcat:keyword">DCAT</span> </div> <div> Weekly </div> <div property='dcat:distribution' typeof='dcat:Distribution'> <span property="dct:title">CSV download</span>
- Format <span content='text/csv' property='dcat:mediaType'>CSV</span>
- Size <span content='240585277' datatype='xsd:decimal' property='dcat:byteSize'>1024MB</span>
- Issues <span property='dct:issued'>2012-01-01</span>
</html> ```
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- Feb 2022
- Dec 2021
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stackoverflow.com stackoverflow.com
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www.fil.univ-lille1.fr www.fil.univ-lille1.fr
- Jul 2020
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www.w3.org www.w3.org
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The following data will be extracted by a conforming RDFa processor, shown in Turtle format
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RDFa is intended to solve the problem of marking up machine-readable data in HTML documents. RDFa provides a set of HTML attributes to augment visual data with machine-readable hints. Using RDFa, authors may turn their existing human-visible text and links into machine-readable data without repeating content.
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