diff --git a/index.html b/index.html
index 19887fe..c6676ab 100644
--- a/index.html
+++ b/index.html
@@ -241,6 +241,7 @@ <h2>Programme</h2>
                                             <strong>Remote Keynote 1 (45mins + 15mins Q&A)</strong>
                                         </a>
                                         <br> <em>speaker:</em> &nbsp; <font color="red">Jason Wei</font>
+				    <br> <em>session chair:</em> &nbsp; Roy Lee &nbsp;  &nbsp;
                                     </td>
                                 </tr>
 
@@ -250,13 +251,13 @@ <h2>Programme</h2>
                                 </tr> -->
 
                                 <tr class="row100">
-                                    <td class="column100 column1" data-column="column1">10:30 - 11:30</td>
+                                    <td class="column100 column1" data-column="column1">10:30 - 11:45</td>
                                     <td class="column100 column2" data-column="column2">
                                         <a style="color: #d90d0d;">
-                                            <strong>Remote Keynote 2 and 3 (each 20mins + 10mins Q&A) </strong>
+                                            <strong>Remote Keynote 2 - 4 (each 20mins + 10mins Q&A) </strong>
                                         </a>
-                                        <br> <em>speakers:</em> &nbsp; <font color="red">Bing Liu</font> & <font color="red">Yue Zhang</font> &nbsp; &nbsp;
-<!--					    <br> <em>session chair:</em> &nbsp; Nancy Chen &nbsp;  &nbsp;-->
+                                        <br> <em>speakers:</em> &nbsp; <font color="red">Bing Liu</font> & <font color="red">Yue Zhang</font>  & <font color="red">Jing Ma</font> &nbsp; &nbsp;
+				    <br> <em>session chair:</em> &nbsp; Yang Deng & Anh Tuan Luu &nbsp;  &nbsp;
 <!-- 					    <em>chaired by:</em> &nbsp; Francis Bond -->
                                     </td>
                                 </tr>
@@ -297,7 +298,7 @@ <h2>Programme</h2>
                                         <br> <em>speakers:</em> &nbsp; <font color="red">Tianyu Pang</font> &
                                         <font color="red">Wenxuan Zhang</font> &
                                         <font color="red">Taifeng Wang</font>
-<!--					    <br> <em>session chairs:</em> &nbsp; Suzanna Sia & Gao Wei &nbsp;  &nbsp;-->
+				    <br> <em>session chairs:</em> &nbsp; Jiaying Wu &nbsp;  &nbsp;
 				     </td>
                                 </tr>
 
@@ -319,7 +320,7 @@ <h2>Programme</h2>
                                         <a  style="color: #ffc107;">
                                             <strong>Research Oral Presentation 2  (each 12mins + 3mins Q&A)</strong>
                                         </a>
-<!--					                <br> <em>session chair:</em> &nbsp; Tan Qingyu &nbsp;  &nbsp;-->
+					<br> <em>session chair:</em> &nbsp; Moxin Li &nbsp;  &nbsp;
 <!-- 					    <br> <em>speaker:</em> &nbsp; <font color="red">Rada
                                         Mihalcea</font> &nbsp; :: &nbsp; <em>chaired by:</em> &nbsp; Francis Bond -->
                                     </td>
@@ -344,7 +345,7 @@ <h2>Programme</h2>
                                         <a  style="color: #ffc107;">
                                             <strong>Research Oral Presentation 3  (each 12mins + 3mins Q&A)</strong>
                                         </a>
-<!--					                <br> <em>session chair:</em> &nbsp; Tan Qingyu &nbsp;  &nbsp;-->
+					<br> <em>session chair:</em> &nbsp; Zhiyuan Hu &nbsp;  &nbsp;
 <!-- 					    <br> <em>speaker:</em> &nbsp; <font color="red">Rada
                                         Mihalcea</font> &nbsp; :: &nbsp; <em>chaired by:</em> &nbsp; Francis Bond -->
                                     </td>