Information Retrieval 23rd China conference, CCIR 2017, Shanghai, China, July 13–14, 2017, Proceedings Wen, Jirong Heftet / 2017 / Engelsk
NII Testbeds and Community for Information Access Research 14th International Conference, NTCIR 2019, Tokyo, Japan, June 10–13, 2019, Revised Selected Papers Kato, Makoto P. Heftet / 2019 / Engelsk
