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Recogito: an annotation platform for places, part of Pelagios Commons


Investigative team

  • Project Director: Leif Isaksen, History, Lancaster University
  • Community Director: Elton Barker, Classical Studies, The Open University
  • Technical Director: Rainer Simon, The Austrian Institute of Technology
  • Developer: Andrew Lindley, The Austrian Institute of Technology
  • Community Manager: Pau de Soto, Institute of Catalan Studies, Barcelona


Recogito is a Web-based tool that makes it easy to identify and record the places referred to in historical texts, maps and tables. Recogito has features dedicated to both stages of the annotation workflow:

  • i) a geotagging area, for identifying place names in digital texts, tabular documents or high-resolution maps;
  • ii) a georesolving area, for mapping those place names to a global gazetteer, supported by an automated suggestion system.

Recogito also provides basic features for cataloguing and managing documents and their metadata, as well as viewing annotations, usage statistics and bulk-downloading annotation data.


  • Simon, R., Pilgerstorfer, P., Isaksen, L. and Barker, E. (2014): Towards semi-automatic annotation of toponyms on old maps. e-Perimetron, 9.3, 105-112 (
  • Simon, R., Barker, E., de Soto Cañamares, P. and Isaksen, L. (2014): Pelagios 3: Towards the semi-automatic annotation of toponyms in Early Geospatial Documents. In Proceedings of Digital Humanities 2014. Lausanne, Switzerland, July 8-12, 2014.
  • Simon, R., Barker, E., Isaksen, L. and de Soto Cañamares, P. (2015): Linking early geospatial documents, one place at a time: annotation of geographic documents with Recogito. e-Perimetron. 10.2, 49-59. ISSN 1790-3769.


Recogito has been developed through phases 3 and 6 of the Pelagios project, with generous funding from The Andrew W. Mellon Foundation (2013-2015; 2016-2018)