diff --git a/content/post/2017-08.md b/content/post/2017-08.md
index 81821d136..6071fcc98 100644
--- a/content/post/2017-08.md
+++ b/content/post/2017-08.md
@@ -321,3 +321,8 @@ WHERE {
 - More examples about SPARQL syntax: https://github.com/rsinger/openlcsh/wiki/Sparql-Examples
 - I found this blog post about speeding up the Tomcat startup time: http://skybert.net/java/improve-tomcat-startup-time/
 - The startup time went from ~80s to 40s!
+
+## 2017-08-19
+
+- More examples of SPARQL queries: https://github.com/rsinger/openlcsh/wiki/Sparql-Examples
+- Specifically the explanation of the `FILTER` regex
diff --git a/public/2017-08/index.html b/public/2017-08/index.html
index 00c4a7657..4cda92be8 100644
--- a/public/2017-08/index.html
+++ b/public/2017-08/index.html
@@ -37,7 +37,7 @@ Then I cleaned up the author authorities and HTML characters in OpenRefine and s
 
 
 <meta property="article:published_time" content="2017-08-01T11:51:52&#43;03:00"/>
-<meta property="article:modified_time" content="2017-08-18T18:21:00&#43;03:00"/>
+<meta property="article:modified_time" content="2017-08-19T09:18:51&#43;03:00"/>
 
 
 
@@ -85,9 +85,9 @@ Then I cleaned up the author authorities and HTML characters in OpenRefine and s
   "@type": "BlogPosting",
   "headline": "August, 2017",
   "url": "https://alanorth.github.io/cgspace-notes/2017-08/",
-  "wordCount": "3039",
+  "wordCount": "3053",
   "datePublished": "2017-08-01T11:51:52&#43;03:00",
-  "dateModified": "2017-08-18T18:21:00&#43;03:00",
+  "dateModified": "2017-08-19T09:18:51&#43;03:00",
   "author": {
     "@type": "Person",
     "name": "Alan Orth"
@@ -527,6 +527,13 @@ WHERE {
 <li>The startup time went from ~80s to 40s!</li>
 </ul>
 
+<h2 id="2017-08-19">2017-08-19</h2>
+
+<ul>
+<li>More examples of SPARQL queries: <a href="https://github.com/rsinger/openlcsh/wiki/Sparql-Examples">https://github.com/rsinger/openlcsh/wiki/Sparql-Examples</a></li>
+<li>Specifically the explanation of the <code>FILTER</code> regex</li>
+</ul>
+
   
 
   
diff --git a/public/sitemap.xml b/public/sitemap.xml
index fbbb65f30..f892b6852 100644
--- a/public/sitemap.xml
+++ b/public/sitemap.xml
@@ -4,7 +4,7 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/2017-08/</loc>
-    <lastmod>2017-08-18T18:21:00+03:00</lastmod>
+    <lastmod>2017-08-19T09:18:51+03:00</lastmod>
   </url>
   
   <url>
@@ -114,7 +114,7 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/</loc>
-    <lastmod>2017-08-18T18:21:00+03:00</lastmod>
+    <lastmod>2017-08-19T09:18:51+03:00</lastmod>
     <priority>0</priority>
   </url>
   
@@ -125,19 +125,19 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/tags/notes/</loc>
-    <lastmod>2017-08-18T18:21:00+03:00</lastmod>
+    <lastmod>2017-08-19T09:18:51+03:00</lastmod>
     <priority>0</priority>
   </url>
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/post/</loc>
-    <lastmod>2017-08-18T18:21:00+03:00</lastmod>
+    <lastmod>2017-08-19T09:18:51+03:00</lastmod>
     <priority>0</priority>
   </url>
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/tags/</loc>
-    <lastmod>2017-08-18T18:21:00+03:00</lastmod>
+    <lastmod>2017-08-19T09:18:51+03:00</lastmod>
     <priority>0</priority>
   </url>