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                         <h4>Readings</h4>
                         <ul class="mylist">
-                            <!-- <li><a target="_blank" style="font-size:18px; text-decoration: underline;" tabindex="-1" href="./slides/CAS-CS561-Class17.pdf">Slides</a> </li> -->
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                             <li><strong>(P)</strong> <a href="https://dl.acm.org/doi/abs/10.1145/3533702.3534912">LSI: A Learned Secondary Index Structure</a>, SIGMOD 2022 </li>
                             <li> (B) <a href="https://vldb.org/pvldb/vol14/p1-marcus.pdf">Benchmarking Learned Indexes</a>, VLDB 2021</li>
                         </ul>
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                     <p class="post-content">
                         <h4>Readings</h4>
                         <ul class="mylist">
-                            <!-- <li><a target="_blank" style="font-size:18px; text-decoration: underline;" tabindex="-1" href="./slides/CAS-CS561-Class17.pdf">Slides</a> </li> -->
+                            <li><a target="_blank" style="font-size:18px; text-decoration: underline;" tabindex="-1" href="./slides/CAS-CS561-Class24.pdf">Slides</a> </li>
                             <li><strong>(P)</strong> <a href="https://dl.acm.org/doi/pdf/10.1145/3318464.3389770">Qd-tree: Learning Data Layouts for Big Data Analytics</a>, SIGMOD 2020 </li>
                             <li> (B) <a href="https://dl.acm.org/doi/10.1145/3448016.3457270">Instance-Optimized Data Layouts for Cloud Analytics Workloads</a>, SIGMOD 2021 </li>
                             <li> (B) <a href="https://dl.acm.org/doi/10.14778/3425879.3425880">Tsunami: A Learned Multi-dimensional Index for Correlated Data and Skewed Workloads</a>, VLDB 2021 </li>