From d76af9340632128dc3a8b05011b6cf8d53fb0ccb Mon Sep 17 00:00:00 2001
From: Douglas Rumbaugh <dbr4@psu.edu>
Date: Tue, 20 May 2025 17:05:47 -0400
Subject: updates

---
 chapters/introduction.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'chapters/introduction.tex')

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
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