The description of resources is accessible at the « Data » section on the french version of the call for participation. For more information, look at the FAQ or ask your question directly to the organisation committee at deft2016@univ-nantes.fr.
Train and development corpus
Here is the download link for the four corpora, theirs notices and theirs thesaurii :
deft2016-notices-thesaurii-train-dev.zip
Evaluation corpus (notices-test) and references (references-test)
The resources (notices and thesaurii) are the ownership of INIST-CNRS. They are published under the license CC-by 4.0.