Overview of BioASQ 2021: The Ninth BioASQ Challenge on Large-Scale Biomedical Semantic Indexing and Question Answering

Nentidis, A., G. Katsimpras, E. Vandorou, A. Krithara, L. Gasco, M. Krallinger, and G. Paliouras, "Overview of BioASQ 2021: The Ninth BioASQ Challenge on Large-Scale Biomedical Semantic Indexing and Question Answering", International Conference of the Cross-Language Evaluation Forum for European Languages (CLEF2021) : Springer, 2021.