@inProceedings{Volodina-Elena2018-275365, title = {Interoperability of Second Language Resources and Tools}, abstract = {Language learning based on learner corpora is an increasingly active area of research in CLARIN centres and beyond. In order to promote comparative research, the interoperability of data and tools in this area must be improved, and metadata and error annotation should be harmonized. A closer European collaboration in the field of learner corpus creation is desirable.}, booktitle = {Proceedings of CLARIN-2018 conference}, author = {Volodina, Elena and Janssen, Maarten and Lindström Tiedemann, Therese and Mikelic Preradovic, Nives and Ragnhildstveit, Silje Karin and Tenfjord, Kari and de Smedt, Koenraad }, year = {2018}, }