Hiemstra, D.2022-03-022022-03-022021978-3-030-72112-1978-3-030-72113-8978-3-030-72114-5https://publica.fraunhofer.de/handle/publica/166992Advances in Information Retrieval. 43rd European Conference on IR Research, ECIR 2021. Proceedings. Pt.I