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GAP: The Geographic Annotation Platform for discovering and visualizing geographical entities in large text corpora

  • GAP is funded by a Google Digital Humanities Research Grant (2010, 2012)


GAP addresses two primary concerns related to online resources: discovery and usability, using the ancient world as a test case. No one person is going to able to find all the ancient places referenced in large text corpora (like the one million plus Google Books corpus): for that you need a helping hand. GAP is developing a search engine (based on the Edinburgh Geoparser), which automatically finds (“geotags”) references to ancient places in a text and then links (“georesolves”) them to a gazetteer. In order to visualize the results in meaningful ways, GAP uses a single-screen application called GapVis with various components to help the reader navigate through a text geospatially.

The Team

  • Elton Barker, Classical Studies, The Open University
  • Eric C. Kansa, School of Information, University of California-Berkeley
  • Leif Isaksen, Archaeology, University of Southampton
  • Kate Byrne, Institute of Informatics, Edinburgh
  • Nick Rabinowitz


2011: ‘GAP: a neogeo approach to classical resources’, in Arts, Humanities, and Complex Networks, Leonardo (MIT-Press) Vol. 43, No. 3, E-ISSN 1530-9282

In the Press