Dataset Open Access
The Webis Query Spelling Corpus 2017 (Webis-QSpell-17) contains 54,772 web queries that were manually spell-checked; for 9,171 queries alternative spelling variants are contained.
As for segmentations of many of the queries (i.e., tagged concepts and phrases), please refer to the companion corpus Webis-QSeC-10.
Matthias Hagen, Martin Potthast, Marcel Gohsen, Anja Rathgeber, and Benno Stein. A Large-Scale Query Spelling Correction Corpus. In Noriko Kando et al, editors, 40th International ACM Conference on Research and Development in Information Retrieval (SIGIR 2017), pages 1261-1264, August 2017. ACM. ISBN 978-1-4503-5022-8.