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PDF File RDFauthor- Employing RDFa for colla... 1.81 MB Vladimir Alexiev Oct 18, 2011 15:29  
PDF File Talis Aspire- Pattern for Domain Sp... 291 kB Vladimir Alexiev Oct 18, 2011 15:29  
PDF File HP Labs- Review of existing tools f... 6 kB Vladimir Alexiev Oct 18, 2011 15:29  

Also see RForms


MarinN: Editing of RDF data can be implemented with RDFAuthor by AKSW (authors of OntoWiki). It's a fairly seasoned tool for enhancing any HTML page generated from an RDF source with editing functionality. Basically, you annotate the HTML you generate with RDFa which contains the source RDF for the element. RDFauthor is a javascript module that will recognize the RDFa and generate on the fly editing fields. The fields can be as simple as text boxes or more complicated lie autocomplete fields. The autocomplete can be based on the range of the property.

Demo:, user=mmilenn, pwd=(ask Milen)


VIE is a project to make the content of your web pages editable through annotations. This means that by simply including some RDFa on your pages you can build rich user interactions and interfaces on the JavaScript level. So the idea is very similar to RDFAuthor

VIE demos

Demo links of VIE and friends:

VIE Notes

  1. All demos I have seen use Aloha editor. Aloha editor seems pretty handy. It provides a floating toolbar for formatting the currently selected text. New buttons can be added. Aloha modifies directly DOM in the browser and can save them to server when required. There is an extension point for this functionality and different server-side APIs can be supported.
  2. Aloha states it is about content and not about forms though they seem to support standard input controls (i.e. textarea)
  3. The semantic part I have seen in demos is related to:
    • Entity recognition inside text - there is a demo for Drupal. They use Aloha and Apache Stanbol, not sure if they use anything from VIE.
    • Recognition for rdfa. We may use rdfa to recognize parts of the content that can be annotated or edited. Also, depending on the rdfa info we may show different menus or buttons in the toolbar.
    • Annotating text by adding rdfa (inline, in browser and then parsing on server). We may add rdfa to denote different things - document's structure (title etc.), different types of entities (painters, tasks etc.)
  4. We may use this VIE+Aloha for the following tasks:
    • General text entry - as in discussions, blogs
    • We may base RS tools on it. For example, we may use it as annotation tool.
  5. Possible annotation scenario (see more details in Data and Annotation Mockup)


RDFaCE is an open source (GPL) RDFa content editor.
It supports automatic annotation with Alchemy, OpenCalais, Extractiv and DBpedia Spotlights APIs.

Demo of integration in TinyMCE, special edition for
(Try to delete an annotation, you end up with broken RDFa)

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