FAFALIOS, P. ., and Y. . TZITZIKAS. “TYPE-AHEAD EXPLORATORY SEARCH THROUGH TYPO AND WORD ORDER TOLERANT AUTOCOMPLETION”. Journal of Web Engineering, vol. 14, no. 1-2, Mar. 2015, pp. 080-16, https://journals.riverpublishers.com/index.php/JWE/article/view/3893.