A survey on query auto completion in information retrieval written by Fei Cai and myself is online now: Fei Cai and Maarten de Rijke. A Survey of Query Auto Completion in Information Retrieval. Foundations and Trends in Information Retrieval, 10(4):273–363, September 2016. Bibtex, PDF @article{cai-survey-2016, author = {Cai, Fei and de Rijke, Maarten}, date-added =…