add doug slides

2024/keynotespeakers.html

@@ -135,7 +135,7 @@ <h2><a href="https://users.cs.northwestern.edu/~ddowney/">Doug Downey</a></h2>
         <p class="bio_para">
           Doug is a Senior Research Scientist at AI2. He is currently on leave from Northwestern University, where he is an Associate Professor of Computer Science. His research focuses on information extraction, natural language processing, and machine learning. Outside of work, he enjoys spending time with family, exploring the outdoors, and watching movies.
         </p>
-        <h3>Chasing high-precision NLP at discount prices: Lessons for accelerating science</h3>
+        <h3><a href="https://sdproc.org/2024/keynote_Doug.pdf">Chasing high-precision NLP at discount prices: Lessons for accelerating science</a></h3>
         <p>
           Natural language processing (NLP) has made major strides in recent years, due to the in-
         creasing capabilities of large language models. However, using NLP to power real applications is still