Update Focuses

Author: githajae

_layouts/about-page.html

@@ -264,8 +264,9 @@ <h1 class="info-name">{{ page.title | default: "Your Name" }}</h1>
       <div class="info-research">
         <h4>Research Focuses</h4>
         <ul>
-          <li>Database Systems</li>
-          <li>Large Language Models</li>
+          <li>Graph Database Systems</li>
+          <li>Semantic Operators (LLM)</li>
+          <li>Query Optimization</li>
         </ul>
       </div>