Advances in Information Retrieval Part I 43rd European Conference on IR Research, ECIR 2021, Virtual by European Conference on IR Research (creator), Djoerd Hiemstra (editor) 9783030721121 (Paperback, 2021) Delivery UK delivery is usually within 10 to 12 working days. International delivery varies by country, please see the Wordery store help page for details.
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