How can I use this website?
For additional information and instructions, please refer to the EFCAMDAT user manual.
How can I distribute my own additional annotations to EFCAMDAT?
Please let us know about them! We maintain an overview of resources and research derived from the EFCAMDAT data, and we offer to host such work on this website. If you would like to contribute to our Resources page, please contact Dora Alexopoulou or Carlos Balhana.
How should I cite this resource?
Please cite the following papers:
Huang, Y., Murakami, A., Alexopoulou, T., & Korhonen, A. (2018). Dependency parsing of learner English. International Journal of Corpus Linguistics, 23(1), 28-54.
Geertzen, J. , Alexopoulou, T., & Korhonen, A. (2013). Automatic linguistic annotation of large scale L2 databases: The EF-Cambridge Open Language Database (EFCAMDAT). Selected Proceedings of the 31st Second Language Research Forum (SLRF), Cascadilla Press, MA.