Semantic Annotator

Google Chrome Extension for semantic annotation

Peter Vojtáš


Experimental tool for manual semantic annotation of webpages for ordinary users.

Do you want to annotate web pages, although you are not their author? Semantic Annotator is for you. You don't have to be familiar with semantic languages and techniques eg. RDFa, Microdata or microformats.

Where to get it

Available as a plugin to Chrome browser.


Contact email:



Research group at the department:

Web Semantization Research Group

Supporting research projects and grants:

GACR P202/10/0761


  • Nečaský M., Fišer D., Lašek I., Peška L., Vojtáš P.: User Assisted Creation of Open-Linked Data for Training Web Information Extraction in a Social Network, in Cases On Open-Linked Data and Semantic Web Applications, IGI Global, ISBN: 978-1-4666-2827-4, pp. 28-38, 2013
  • Peška L., Lašek I., Eckhardt A., Dědek J., Vojtáš P., Dominik F.: Towards web semantization and user understanding, in Frontiers in Artificial Intelligence and Applications, Vol. 251, Num. January, ISSN: 0922-6389, pp. 63-81, 2013
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