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RDFa and Linked Data

This website contains rich RDFa snippets, expressed in the vocabulary, which encode additional structured data in the HTML code. This data can be utilised by most of the modern search engines (e.g., Google, Bing) for improving findability of the resources described in this website. RDFa snippets also enable linking the information from this webiste to the linked open data cloud, without involving triple stores, RDF dumps, or dedicated APIs.

See it

You can see this data in several ways:

  • by submitting the URLs "" or "" to some online structured data extractors (see: here or Google testing tool);
  • by requesting the same URLs with the "Accept" header set to "application/rdf+xml", which will effectively do the same for you;
  • installing and opening the structured data sniffer - a Chrome extension for detecting and browsing RDFa snippets found on webpages.


Consider the following bibliographic item from the academic work page:

Szymon Klarman and Víctor Gutiérrez-Basulto. Description Logics of Context. In Journal of Logic and Computation , 26(3), pp. 817-854, 2016. [pdf; doi; bib; rdf2vis; ccs]

Notably, the underlying HTML code involves a number of extra tags that carry additional semantic metadata on top of the basic textual and formatting information:

<body xmlns="" vocab=""> <dl> <dt id="KlaGutJLC16"> [<a href="academic-work/KlaGutJLC16">KlaGutJLC16</a>] </dt> <dd typeof="CreativeWork" about="academic-work/KlaGutJLC16"> <meta rel="author" href=""> Szymon Klarman and V&#237;ctor Guti&#233;rrez-Basulto. <b property="name">Description Logics of Context</b>. In <i>Journal of Logic and Computation</i>, 26(3), pp. 817-854, 2016. [ <a rel="url" href="academic-work/resources/KlaGutJLC16.pdf">pdf</a>; ... ] <meta rel="sameAs" href=""> <meta rel="sameAs" href=""> </dd> </dl> </body>

These tags effectively encode the following RDF data:

This data can be further combined with linked data from other sources, such as or You can see the result of such enrichement by either:

  • following the "rdf2vis" links, included under some of my publications.
  • requesting the publication URLs "{:pub_id}" with the "Accept" header set to "application/rdf+xml".