E. Kamateri, T. Tsikrika, S. Symeonidis, S. Vrochidis, W. Minker and Y. Kompatsiaris, “A Test Collection for Passage Retrieval Evaluation of Spanish Health-Related Resources“, 41st European Conference on Information Retrieval (ECIR 2019), 14-18 April 2019, Cologne, Germany. https://doi.org/10.1007/978-3-030-15719-7_19