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diff --git a/chapters/introduction.tex b/chapters/introduction.tex index 7084867..bdde070 100644 --- a/chapters/introduction.tex +++ b/chapters/introduction.tex @@ -67,7 +67,7 @@ first learned index, RMI~\cite{RMI}. This index succeeding in showing that a learned model can be both faster and smaller than a conventional range index, but the proposed solution did not support updates. The first (non-concurrently) updatable learned index, ALEX, took a year -and a half to appear~\cite{ALEX}. Over the course of the subsequent +and a half to appear~\cite{alex}. Over the course of the subsequent three years, several learned indexes were proposed with concurrency support~\cite{10.1145/3332466.3374547,10.14778/3489496.3489512} but a recent performance study~\cite{10.14778/3551793.3551848} showed that these |