A corpus of short answers written by learners of English and graded with CEFR levels

Source code and data for the EDM 2022 paper

A CEFR-Graded Lexical Resource for Dutch as a Foreign Language Linked to Open Dutch WordNet

Comparative study of ML approaches for automatic CEFR level classification of English learner writing. Trained on EFCamDAT, evaluated on multiple out-of-domain corpora.

Kr8cht study-choice project: multi-target regression (MTR) on Dutch activity descriptions to predict eight curricular domain scores and six RIASEC traits. Includes code and artifacts for the ACM SAC 2026 Artificial Intelligence for Education track