diff --git a/program.html b/program.html
index 351591dc3..3c98cc29a 100644
--- a/program.html
+++ b/program.html
@@ -39,6 +39,8 @@
   <ul>
   {% for row in days %}
     {% assign description = row.day | rdf_property: "dct:description", site.language %}
+    {% assign abstract = row.day | rdf_property: "schema:abstract", site.language %}
+
     <li>
       <div class="card">
         <h2>
@@ -46,28 +48,38 @@ <h2>
             <span class="xl hideunderline">{{ row.day | rdf_property: "rdfs:label", site.language }}</span>
           </a>
         </h2>
+        {%- assign title =row.day | rdf_property: "dct:title", site.language -%}
+        {%- if title -%}
         <p>{{ row.day | rdf_property: "dct:title", site.language }}</p>
+        {%- endif -%}
+        {% assign subject = row.day | rdf_property: "dct:subject" %}
+        {%- if subject -%}
         <p class="dates">
           <time ev="">
             <strong class="highlighted x1">{{ row.day | rdf_property: "dct:subject" }}</strong><br/>
           </time>
         </p>
-        {% if description %}
-          {% assign sentences = description | split: ". " %}
-          {% if sentences.size > 2 %}
-            <p class="justify">
-              <small>{{ sentences | slice: 0, 2 | join: ". " }}. </small>
-            </p>
-            <details>
-              <summary>
-                <small>Show more</small>
-              </summary>
+        {%- endif -%}
+        {% if abstract %}
+          <p class="justify"><small>{{ abstract }}</small></p>
+        {% else %}
+          {% if description %}
+            {% assign sentences = description | split: ". " %}
+            {% if sentences.size > 2 %}
               <p class="justify">
-                <small>{{ sentences | slice: 2, sentences.size | join: ". " }}</small>
+                <small>{{ sentences | slice: 0, 1 | join: ". " }}. </small>
               </p>
-            </details>
-          {% else %}
-            <p class="justify"><small>{{ description }}</small></p>
+              <details>
+                <summary>
+                  <small>Show more</small>
+                </summary>
+                <p class="justify">
+                  <small>{{ sentences | slice: 1, sentences.size | join: ". " }}</small>
+                </p>
+              </details>
+            {% else %}
+              <p class="justify"><small>{{ description }}</small></p>
+            {% endif %}
           {% endif %}
         {% endif %}
       </div>