diff --git a/404.html b/404.html
index 70a36b3..1617515 100644
--- a/404.html
+++ b/404.html
@@ -109,7 +109,7 @@
     <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
       </div>
@@ -155,7 +155,7 @@
     <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
     </div>
@@ -405,7 +405,7 @@ <h1>404 - Not found</h1>
       <div class="md-dialog__inner md-typeset"></div>
     </div>
     
-    <script id="__config" type="application/json">{"base": "/mydata/", "features": ["content.tooltips", "content.action.edit", "content.action.view", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "/mydata/assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
+    <script id="__config" type="application/json">{"base": "/mydata/", "features": ["content.tooltips", "content.action.edit", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "/mydata/assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
     
     
       <script src="/mydata/assets/javascripts/bundle.7c5c0157.min.js"></script>
diff --git a/contributing/index.html b/contributing/index.html
index 647dea5..31ced42 100644
--- a/contributing/index.html
+++ b/contributing/index.html
@@ -131,7 +131,7 @@
     <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
       </div>
@@ -177,7 +177,7 @@
     <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
     </div>
@@ -403,20 +403,12 @@
                   
 
   
-    <a href="https://github.com/romovpa/my-data/edit/master/docs/contributing.md" title="Edit this page" class="md-content__button md-icon">
+    <a href="https://github.com/romovpa/my-data/edit/main/docs/contributing.md" title="Edit this page" class="md-content__button md-icon">
       
       <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M10 20H6V4h7v5h5v3.1l2-2V8l-6-6H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h4v-2m10.2-7c.1 0 .3.1.4.2l1.3 1.3c.2.2.2.6 0 .8l-1 1-2.1-2.1 1-1c.1-.1.2-.2.4-.2m0 3.9L14.1 23H12v-2.1l6.1-6.1 2.1 2.1Z"/></svg>
     </a>
   
   
-    
-      
-    
-    <a href="https://github.com/romovpa/my-data/raw/master/docs/contributing.md" title="View source of this page" class="md-content__button md-icon">
-      
-      <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17 18c.56 0 1 .44 1 1s-.44 1-1 1-1-.44-1-1 .44-1 1-1m0-3c-2.73 0-5.06 1.66-6 4 .94 2.34 3.27 4 6 4s5.06-1.66 6-4c-.94-2.34-3.27-4-6-4m0 6.5a2.5 2.5 0 0 1-2.5-2.5 2.5 2.5 0 0 1 2.5-2.5 2.5 2.5 0 0 1 2.5 2.5 2.5 2.5 0 0 1-2.5 2.5M9.27 20H6V4h7v5h5v4.07c.7.08 1.36.25 2 .49V8l-6-6H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h4.5a8.15 8.15 0 0 1-1.23-2Z"/></svg>
-    </a>
-  
 
 
 <h1 id="contributing">Contributing</h1>
@@ -425,25 +417,41 @@ <h1 id="contributing">Contributing</h1>
 <li>How to add a parser</li>
 </ul>
 
+  
+    
+  
+  
+
 
   <aside class="md-source-file">
     
+      <span class="md-source-file__fact">
+        <span class="md-icon" title="Last update">
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1-2.1-2M12.5 7v5.2l4 2.4-1 1L11 13V7h1.5M11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2v1.8Z"/></svg>
+        </span>
+        <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">August 17, 2023</span>
+      </span>
+    
+    
     
     
-      
       <span class="md-source-file__fact">
         <span class="md-icon" title="Contributors">
-          
-            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 4a4 4 0 0 1 4 4 4 4 0 0 1-4 4 4 4 0 0 1-4-4 4 4 0 0 1 4-4m0 10c4.42 0 8 1.79 8 4v2H4v-2c0-2.21 3.58-4 8-4Z"/></svg>
-          
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 2A10 10 0 0 0 2 12c0 4.42 2.87 8.17 6.84 9.5.5.08.66-.23.66-.5v-1.69c-2.77.6-3.36-1.34-3.36-1.34-.46-1.16-1.11-1.47-1.11-1.47-.91-.62.07-.6.07-.6 1 .07 1.53 1.03 1.53 1.03.87 1.52 2.34 1.07 2.91.83.09-.65.35-1.09.63-1.34-2.22-.25-4.55-1.11-4.55-4.92 0-1.11.38-2 1.03-2.71-.1-.25-.45-1.29.1-2.64 0 0 .84-.27 2.75 1.02.79-.22 1.65-.33 2.5-.33.85 0 1.71.11 2.5.33 1.91-1.29 2.75-1.02 2.75-1.02.55 1.35.2 2.39.1 2.64.65.71 1.03 1.6 1.03 2.71 0 3.82-2.34 4.66-4.57 4.91.36.31.69.92.69 1.85V21c0 .27.16.59.67.5C19.14 20.16 22 16.42 22 12A10 10 0 0 0 12 2Z"/></svg>
         </span>
+        <span>GitHub</span>
         <nav>
           
-            <a href="mailto:romovpa@gmail.com">Peter Romov</a>
+            <a href="https://github.com/romovpa" class="md-author" title="@romovpa">
+              
+              <img src="https://avatars.githubusercontent.com/u/152387?size=72" alt="romovpa">
+            </a>
+          
+          
+          
         </nav>
       </span>
     
-    
   </aside>
 
 
@@ -488,7 +496,7 @@ <h1 id="contributing">Contributing</h1>
       <div class="md-dialog__inner md-typeset"></div>
     </div>
     
-    <script id="__config" type="application/json">{"base": "..", "features": ["content.tooltips", "content.action.edit", "content.action.view", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "../assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
+    <script id="__config" type="application/json">{"base": "..", "features": ["content.tooltips", "content.action.edit", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "../assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
     
     
       <script src="../assets/javascripts/bundle.7c5c0157.min.js"></script>
diff --git a/data-access/index.html b/data-access/index.html
index 82214a4..a779dcd 100644
--- a/data-access/index.html
+++ b/data-access/index.html
@@ -131,7 +131,7 @@
     <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
       </div>
@@ -177,7 +177,7 @@
     <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
     </div>
@@ -403,20 +403,12 @@
                   
 
   
-    <a href="https://github.com/romovpa/my-data/edit/master/docs/data-access.md" title="Edit this page" class="md-content__button md-icon">
+    <a href="https://github.com/romovpa/my-data/edit/main/docs/data-access.md" title="Edit this page" class="md-content__button md-icon">
       
       <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M10 20H6V4h7v5h5v3.1l2-2V8l-6-6H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h4v-2m10.2-7c.1 0 .3.1.4.2l1.3 1.3c.2.2.2.6 0 .8l-1 1-2.1-2.1 1-1c.1-.1.2-.2.4-.2m0 3.9L14.1 23H12v-2.1l6.1-6.1 2.1 2.1Z"/></svg>
     </a>
   
   
-    
-      
-    
-    <a href="https://github.com/romovpa/my-data/raw/master/docs/data-access.md" title="View source of this page" class="md-content__button md-icon">
-      
-      <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17 18c.56 0 1 .44 1 1s-.44 1-1 1-1-.44-1-1 .44-1 1-1m0-3c-2.73 0-5.06 1.66-6 4 .94 2.34 3.27 4 6 4s5.06-1.66 6-4c-.94-2.34-3.27-4-6-4m0 6.5a2.5 2.5 0 0 1-2.5-2.5 2.5 2.5 0 0 1 2.5-2.5 2.5 2.5 0 0 1 2.5 2.5 2.5 2.5 0 0 1-2.5 2.5M9.27 20H6V4h7v5h5v4.07c.7.08 1.36.25 2 .49V8l-6-6H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h4.5a8.15 8.15 0 0 1-1.23-2Z"/></svg>
-    </a>
-  
 
 
 <h1 id="access-your-data">Access Your Data</h1>
@@ -434,25 +426,41 @@ <h1 id="access-your-data">Access Your Data</h1>
 </li>
 </ul>
 
+  
+    
+  
+  
+
 
   <aside class="md-source-file">
     
+      <span class="md-source-file__fact">
+        <span class="md-icon" title="Last update">
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1-2.1-2M12.5 7v5.2l4 2.4-1 1L11 13V7h1.5M11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2v1.8Z"/></svg>
+        </span>
+        <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">August 17, 2023</span>
+      </span>
+    
+    
     
     
-      
       <span class="md-source-file__fact">
         <span class="md-icon" title="Contributors">
-          
-            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 4a4 4 0 0 1 4 4 4 4 0 0 1-4 4 4 4 0 0 1-4-4 4 4 0 0 1 4-4m0 10c4.42 0 8 1.79 8 4v2H4v-2c0-2.21 3.58-4 8-4Z"/></svg>
-          
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 2A10 10 0 0 0 2 12c0 4.42 2.87 8.17 6.84 9.5.5.08.66-.23.66-.5v-1.69c-2.77.6-3.36-1.34-3.36-1.34-.46-1.16-1.11-1.47-1.11-1.47-.91-.62.07-.6.07-.6 1 .07 1.53 1.03 1.53 1.03.87 1.52 2.34 1.07 2.91.83.09-.65.35-1.09.63-1.34-2.22-.25-4.55-1.11-4.55-4.92 0-1.11.38-2 1.03-2.71-.1-.25-.45-1.29.1-2.64 0 0 .84-.27 2.75 1.02.79-.22 1.65-.33 2.5-.33.85 0 1.71.11 2.5.33 1.91-1.29 2.75-1.02 2.75-1.02.55 1.35.2 2.39.1 2.64.65.71 1.03 1.6 1.03 2.71 0 3.82-2.34 4.66-4.57 4.91.36.31.69.92.69 1.85V21c0 .27.16.59.67.5C19.14 20.16 22 16.42 22 12A10 10 0 0 0 12 2Z"/></svg>
         </span>
+        <span>GitHub</span>
         <nav>
           
-            <a href="mailto:romovpa@gmail.com">Peter Romov</a>
+            <a href="https://github.com/romovpa" class="md-author" title="@romovpa">
+              
+              <img src="https://avatars.githubusercontent.com/u/152387?size=72" alt="romovpa">
+            </a>
+          
+          
+          
         </nav>
       </span>
     
-    
   </aside>
 
 
@@ -497,7 +505,7 @@ <h1 id="access-your-data">Access Your Data</h1>
       <div class="md-dialog__inner md-typeset"></div>
     </div>
     
-    <script id="__config" type="application/json">{"base": "..", "features": ["content.tooltips", "content.action.edit", "content.action.view", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "../assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
+    <script id="__config" type="application/json">{"base": "..", "features": ["content.tooltips", "content.action.edit", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "../assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
     
     
       <script src="../assets/javascripts/bundle.7c5c0157.min.js"></script>
diff --git a/data-ownership/index.html b/data-ownership/index.html
index b44b1ef..8d05a3b 100644
--- a/data-ownership/index.html
+++ b/data-ownership/index.html
@@ -131,7 +131,7 @@
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   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
       </div>
@@ -177,7 +177,7 @@
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   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
     </div>
@@ -403,20 +403,12 @@
                   
 
   
-    <a href="https://github.com/romovpa/my-data/edit/master/docs/data-ownership.md" title="Edit this page" class="md-content__button md-icon">
+    <a href="https://github.com/romovpa/my-data/edit/main/docs/data-ownership.md" title="Edit this page" class="md-content__button md-icon">
       
       <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M10 20H6V4h7v5h5v3.1l2-2V8l-6-6H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h4v-2m10.2-7c.1 0 .3.1.4.2l1.3 1.3c.2.2.2.6 0 .8l-1 1-2.1-2.1 1-1c.1-.1.2-.2.4-.2m0 3.9L14.1 23H12v-2.1l6.1-6.1 2.1 2.1Z"/></svg>
     </a>
   
   
-    
-      
-    
-    <a href="https://github.com/romovpa/my-data/raw/master/docs/data-ownership.md" title="View source of this page" class="md-content__button md-icon">
-      
-      <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17 18c.56 0 1 .44 1 1s-.44 1-1 1-1-.44-1-1 .44-1 1-1m0-3c-2.73 0-5.06 1.66-6 4 .94 2.34 3.27 4 6 4s5.06-1.66 6-4c-.94-2.34-3.27-4-6-4m0 6.5a2.5 2.5 0 0 1-2.5-2.5 2.5 2.5 0 0 1 2.5-2.5 2.5 2.5 0 0 1 2.5 2.5 2.5 2.5 0 0 1-2.5 2.5M9.27 20H6V4h7v5h5v4.07c.7.08 1.36.25 2 .49V8l-6-6H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h4.5a8.15 8.15 0 0 1-1.23-2Z"/></svg>
-    </a>
-  
 
 
 <h1 id="own-your-data">Own Your Data</h1>
@@ -428,25 +420,41 @@ <h1 id="own-your-data">Own Your Data</h1>
 <li>AI/LLM's role in personal data management and analysis</li>
 </ul>
 
+  
+    
+  
+  
+
 
   <aside class="md-source-file">
     
+      <span class="md-source-file__fact">
+        <span class="md-icon" title="Last update">
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1-2.1-2M12.5 7v5.2l4 2.4-1 1L11 13V7h1.5M11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2v1.8Z"/></svg>
+        </span>
+        <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">August 17, 2023</span>
+      </span>
+    
+    
     
     
-      
       <span class="md-source-file__fact">
         <span class="md-icon" title="Contributors">
-          
-            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 4a4 4 0 0 1 4 4 4 4 0 0 1-4 4 4 4 0 0 1-4-4 4 4 0 0 1 4-4m0 10c4.42 0 8 1.79 8 4v2H4v-2c0-2.21 3.58-4 8-4Z"/></svg>
-          
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 2A10 10 0 0 0 2 12c0 4.42 2.87 8.17 6.84 9.5.5.08.66-.23.66-.5v-1.69c-2.77.6-3.36-1.34-3.36-1.34-.46-1.16-1.11-1.47-1.11-1.47-.91-.62.07-.6.07-.6 1 .07 1.53 1.03 1.53 1.03.87 1.52 2.34 1.07 2.91.83.09-.65.35-1.09.63-1.34-2.22-.25-4.55-1.11-4.55-4.92 0-1.11.38-2 1.03-2.71-.1-.25-.45-1.29.1-2.64 0 0 .84-.27 2.75 1.02.79-.22 1.65-.33 2.5-.33.85 0 1.71.11 2.5.33 1.91-1.29 2.75-1.02 2.75-1.02.55 1.35.2 2.39.1 2.64.65.71 1.03 1.6 1.03 2.71 0 3.82-2.34 4.66-4.57 4.91.36.31.69.92.69 1.85V21c0 .27.16.59.67.5C19.14 20.16 22 16.42 22 12A10 10 0 0 0 12 2Z"/></svg>
         </span>
+        <span>GitHub</span>
         <nav>
           
-            <a href="mailto:romovpa@gmail.com">Peter Romov</a>
+            <a href="https://github.com/romovpa" class="md-author" title="@romovpa">
+              
+              <img src="https://avatars.githubusercontent.com/u/152387?size=72" alt="romovpa">
+            </a>
+          
+          
+          
         </nav>
       </span>
     
-    
   </aside>
 
 
@@ -491,7 +499,7 @@ <h1 id="own-your-data">Own Your Data</h1>
       <div class="md-dialog__inner md-typeset"></div>
     </div>
     
-    <script id="__config" type="application/json">{"base": "..", "features": ["content.tooltips", "content.action.edit", "content.action.view", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "../assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
+    <script id="__config" type="application/json">{"base": "..", "features": ["content.tooltips", "content.action.edit", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "../assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
     
     
       <script src="../assets/javascripts/bundle.7c5c0157.min.js"></script>
diff --git a/getting-started/index.html b/getting-started/index.html
index a43c21e..de70276 100644
--- a/getting-started/index.html
+++ b/getting-started/index.html
@@ -131,7 +131,7 @@
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   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
       </div>
@@ -177,7 +177,7 @@
     <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
     </div>
@@ -403,20 +403,12 @@
                   
 
   
-    <a href="https://github.com/romovpa/my-data/edit/master/docs/getting-started.md" title="Edit this page" class="md-content__button md-icon">
+    <a href="https://github.com/romovpa/my-data/edit/main/docs/getting-started.md" title="Edit this page" class="md-content__button md-icon">
       
       <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M10 20H6V4h7v5h5v3.1l2-2V8l-6-6H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h4v-2m10.2-7c.1 0 .3.1.4.2l1.3 1.3c.2.2.2.6 0 .8l-1 1-2.1-2.1 1-1c.1-.1.2-.2.4-.2m0 3.9L14.1 23H12v-2.1l6.1-6.1 2.1 2.1Z"/></svg>
     </a>
   
   
-    
-      
-    
-    <a href="https://github.com/romovpa/my-data/raw/master/docs/getting-started.md" title="View source of this page" class="md-content__button md-icon">
-      
-      <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17 18c.56 0 1 .44 1 1s-.44 1-1 1-1-.44-1-1 .44-1 1-1m0-3c-2.73 0-5.06 1.66-6 4 .94 2.34 3.27 4 6 4s5.06-1.66 6-4c-.94-2.34-3.27-4-6-4m0 6.5a2.5 2.5 0 0 1-2.5-2.5 2.5 2.5 0 0 1 2.5-2.5 2.5 2.5 0 0 1 2.5 2.5 2.5 2.5 0 0 1-2.5 2.5M9.27 20H6V4h7v5h5v4.07c.7.08 1.36.25 2 .49V8l-6-6H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h4.5a8.15 8.15 0 0 1-1.23-2Z"/></svg>
-    </a>
-  
 
 
 <h1 id="getting-started">Getting Started</h1>
@@ -428,25 +420,41 @@ <h1 id="getting-started">Getting Started</h1>
 <li>Make SPARQL queries</li>
 </ul>
 
+  
+    
+  
+  
+
 
   <aside class="md-source-file">
     
+      <span class="md-source-file__fact">
+        <span class="md-icon" title="Last update">
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1-2.1-2M12.5 7v5.2l4 2.4-1 1L11 13V7h1.5M11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2v1.8Z"/></svg>
+        </span>
+        <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">August 17, 2023</span>
+      </span>
+    
+    
     
     
-      
       <span class="md-source-file__fact">
         <span class="md-icon" title="Contributors">
-          
-            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 4a4 4 0 0 1 4 4 4 4 0 0 1-4 4 4 4 0 0 1-4-4 4 4 0 0 1 4-4m0 10c4.42 0 8 1.79 8 4v2H4v-2c0-2.21 3.58-4 8-4Z"/></svg>
-          
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 2A10 10 0 0 0 2 12c0 4.42 2.87 8.17 6.84 9.5.5.08.66-.23.66-.5v-1.69c-2.77.6-3.36-1.34-3.36-1.34-.46-1.16-1.11-1.47-1.11-1.47-.91-.62.07-.6.07-.6 1 .07 1.53 1.03 1.53 1.03.87 1.52 2.34 1.07 2.91.83.09-.65.35-1.09.63-1.34-2.22-.25-4.55-1.11-4.55-4.92 0-1.11.38-2 1.03-2.71-.1-.25-.45-1.29.1-2.64 0 0 .84-.27 2.75 1.02.79-.22 1.65-.33 2.5-.33.85 0 1.71.11 2.5.33 1.91-1.29 2.75-1.02 2.75-1.02.55 1.35.2 2.39.1 2.64.65.71 1.03 1.6 1.03 2.71 0 3.82-2.34 4.66-4.57 4.91.36.31.69.92.69 1.85V21c0 .27.16.59.67.5C19.14 20.16 22 16.42 22 12A10 10 0 0 0 12 2Z"/></svg>
         </span>
+        <span>GitHub</span>
         <nav>
           
-            <a href="mailto:romovpa@gmail.com">Peter Romov</a>
+            <a href="https://github.com/romovpa" class="md-author" title="@romovpa">
+              
+              <img src="https://avatars.githubusercontent.com/u/152387?size=72" alt="romovpa">
+            </a>
+          
+          
+          
         </nav>
       </span>
     
-    
   </aside>
 
 
@@ -491,7 +499,7 @@ <h1 id="getting-started">Getting Started</h1>
       <div class="md-dialog__inner md-typeset"></div>
     </div>
     
-    <script id="__config" type="application/json">{"base": "..", "features": ["content.tooltips", "content.action.edit", "content.action.view", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "../assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
+    <script id="__config" type="application/json">{"base": "..", "features": ["content.tooltips", "content.action.edit", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "../assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
     
     
       <script src="../assets/javascripts/bundle.7c5c0157.min.js"></script>
diff --git a/index.html b/index.html
index 038c881..c9a6cee 100644
--- a/index.html
+++ b/index.html
@@ -74,7 +74,7 @@
     <div data-md-component="skip">
       
         
-        <a href="#welcome-to-mkdocs" class="md-skip">
+        <a href="#my-data" class="md-skip">
           Skip to content
         </a>
       
@@ -129,7 +129,7 @@
     <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
       </div>
@@ -175,7 +175,7 @@
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   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
     </div>
@@ -467,23 +467,15 @@
                   
 
   
-    <a href="https://github.com/romovpa/my-data/edit/master/docs/index.md" title="Edit this page" class="md-content__button md-icon">
+    <a href="https://github.com/romovpa/my-data/edit/main/docs/index.md" title="Edit this page" class="md-content__button md-icon">
       
       <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M10 20H6V4h7v5h5v3.1l2-2V8l-6-6H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h4v-2m10.2-7c.1 0 .3.1.4.2l1.3 1.3c.2.2.2.6 0 .8l-1 1-2.1-2.1 1-1c.1-.1.2-.2.4-.2m0 3.9L14.1 23H12v-2.1l6.1-6.1 2.1 2.1Z"/></svg>
     </a>
   
   
-    
-      
-    
-    <a href="https://github.com/romovpa/my-data/raw/master/docs/index.md" title="View source of this page" class="md-content__button md-icon">
-      
-      <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17 18c.56 0 1 .44 1 1s-.44 1-1 1-1-.44-1-1 .44-1 1-1m0-3c-2.73 0-5.06 1.66-6 4 .94 2.34 3.27 4 6 4s5.06-1.66 6-4c-.94-2.34-3.27-4-6-4m0 6.5a2.5 2.5 0 0 1-2.5-2.5 2.5 2.5 0 0 1 2.5-2.5 2.5 2.5 0 0 1 2.5 2.5 2.5 2.5 0 0 1-2.5 2.5M9.27 20H6V4h7v5h5v4.07c.7.08 1.36.25 2 .49V8l-6-6H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h4.5a8.15 8.15 0 0 1-1.23-2Z"/></svg>
-    </a>
-  
 
 
-<h1 id="welcome-to-mkdocs">Welcome to MkDocs</h1>
+<h1 id="my-data">My Data</h1>
 <p>This will be a set of tools to explore your digital footprint and claim your data from web services.</p>
 <p>You are supposed to run this code on <em>your</em> data locally. Keep in mind that your data may contain sensitive information. Please be careful with sharing the processing results and exposing the app to someone else.</p>
 <h2 id="meet-your-personal-data">Meet Your Personal Data</h2>
@@ -516,20 +508,24 @@ <h2 id="meet-your-personal-data">Meet Your Personal Data</h2>
     
     
     
-      
+    
       <span class="md-source-file__fact">
         <span class="md-icon" title="Contributors">
-          
-            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 4a4 4 0 0 1 4 4 4 4 0 0 1-4 4 4 4 0 0 1-4-4 4 4 0 0 1 4-4m0 10c4.42 0 8 1.79 8 4v2H4v-2c0-2.21 3.58-4 8-4Z"/></svg>
-          
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 2A10 10 0 0 0 2 12c0 4.42 2.87 8.17 6.84 9.5.5.08.66-.23.66-.5v-1.69c-2.77.6-3.36-1.34-3.36-1.34-.46-1.16-1.11-1.47-1.11-1.47-.91-.62.07-.6.07-.6 1 .07 1.53 1.03 1.53 1.03.87 1.52 2.34 1.07 2.91.83.09-.65.35-1.09.63-1.34-2.22-.25-4.55-1.11-4.55-4.92 0-1.11.38-2 1.03-2.71-.1-.25-.45-1.29.1-2.64 0 0 .84-.27 2.75 1.02.79-.22 1.65-.33 2.5-.33.85 0 1.71.11 2.5.33 1.91-1.29 2.75-1.02 2.75-1.02.55 1.35.2 2.39.1 2.64.65.71 1.03 1.6 1.03 2.71 0 3.82-2.34 4.66-4.57 4.91.36.31.69.92.69 1.85V21c0 .27.16.59.67.5C19.14 20.16 22 16.42 22 12A10 10 0 0 0 12 2Z"/></svg>
         </span>
+        <span>GitHub</span>
         <nav>
           
-            <a href="mailto:romovpa@gmail.com">Peter Romov</a>
+            <a href="https://github.com/romovpa" class="md-author" title="@romovpa">
+              
+              <img src="https://avatars.githubusercontent.com/u/152387?size=72" alt="romovpa">
+            </a>
+          
+          
+          
         </nav>
       </span>
     
-    
   </aside>
 
 
@@ -574,7 +570,7 @@ <h2 id="meet-your-personal-data">Meet Your Personal Data</h2>
       <div class="md-dialog__inner md-typeset"></div>
     </div>
     
-    <script id="__config" type="application/json">{"base": ".", "features": ["content.tooltips", "content.action.edit", "content.action.view", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
+    <script id="__config" type="application/json">{"base": ".", "features": ["content.tooltips", "content.action.edit", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
     
     
       <script src="assets/javascripts/bundle.7c5c0157.min.js"></script>
diff --git a/linked-data/index.html b/linked-data/index.html
index 29745f0..af0a14d 100644
--- a/linked-data/index.html
+++ b/linked-data/index.html
@@ -131,7 +131,7 @@
     <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc.--><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"/></svg>
   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
       </div>
@@ -177,7 +177,7 @@
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   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
     </div>
@@ -403,20 +403,12 @@
                   
 
   
-    <a href="https://github.com/romovpa/my-data/edit/master/docs/linked-data.md" title="Edit this page" class="md-content__button md-icon">
+    <a href="https://github.com/romovpa/my-data/edit/main/docs/linked-data.md" title="Edit this page" class="md-content__button md-icon">
       
       <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M10 20H6V4h7v5h5v3.1l2-2V8l-6-6H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h4v-2m10.2-7c.1 0 .3.1.4.2l1.3 1.3c.2.2.2.6 0 .8l-1 1-2.1-2.1 1-1c.1-.1.2-.2.4-.2m0 3.9L14.1 23H12v-2.1l6.1-6.1 2.1 2.1Z"/></svg>
     </a>
   
   
-    
-      
-    
-    <a href="https://github.com/romovpa/my-data/raw/master/docs/linked-data.md" title="View source of this page" class="md-content__button md-icon">
-      
-      <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17 18c.56 0 1 .44 1 1s-.44 1-1 1-1-.44-1-1 .44-1 1-1m0-3c-2.73 0-5.06 1.66-6 4 .94 2.34 3.27 4 6 4s5.06-1.66 6-4c-.94-2.34-3.27-4-6-4m0 6.5a2.5 2.5 0 0 1-2.5-2.5 2.5 2.5 0 0 1 2.5-2.5 2.5 2.5 0 0 1 2.5 2.5 2.5 2.5 0 0 1-2.5 2.5M9.27 20H6V4h7v5h5v4.07c.7.08 1.36.25 2 .49V8l-6-6H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h4.5a8.15 8.15 0 0 1-1.23-2Z"/></svg>
-    </a>
-  
 
 
 <h1 id="linked-data-basics">Linked Data Basics</h1>
@@ -427,25 +419,41 @@ <h1 id="linked-data-basics">Linked Data Basics</h1>
 <li>Databases (Apache Fuseki, TerminusDB, etc.)</li>
 </ul>
 
+  
+    
+  
+  
+
 
   <aside class="md-source-file">
     
+      <span class="md-source-file__fact">
+        <span class="md-icon" title="Last update">
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1-2.1-2M12.5 7v5.2l4 2.4-1 1L11 13V7h1.5M11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2v1.8Z"/></svg>
+        </span>
+        <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">August 17, 2023</span>
+      </span>
+    
+    
     
     
-      
       <span class="md-source-file__fact">
         <span class="md-icon" title="Contributors">
-          
-            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 4a4 4 0 0 1 4 4 4 4 0 0 1-4 4 4 4 0 0 1-4-4 4 4 0 0 1 4-4m0 10c4.42 0 8 1.79 8 4v2H4v-2c0-2.21 3.58-4 8-4Z"/></svg>
-          
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 2A10 10 0 0 0 2 12c0 4.42 2.87 8.17 6.84 9.5.5.08.66-.23.66-.5v-1.69c-2.77.6-3.36-1.34-3.36-1.34-.46-1.16-1.11-1.47-1.11-1.47-.91-.62.07-.6.07-.6 1 .07 1.53 1.03 1.53 1.03.87 1.52 2.34 1.07 2.91.83.09-.65.35-1.09.63-1.34-2.22-.25-4.55-1.11-4.55-4.92 0-1.11.38-2 1.03-2.71-.1-.25-.45-1.29.1-2.64 0 0 .84-.27 2.75 1.02.79-.22 1.65-.33 2.5-.33.85 0 1.71.11 2.5.33 1.91-1.29 2.75-1.02 2.75-1.02.55 1.35.2 2.39.1 2.64.65.71 1.03 1.6 1.03 2.71 0 3.82-2.34 4.66-4.57 4.91.36.31.69.92.69 1.85V21c0 .27.16.59.67.5C19.14 20.16 22 16.42 22 12A10 10 0 0 0 12 2Z"/></svg>
         </span>
+        <span>GitHub</span>
         <nav>
           
-            <a href="mailto:romovpa@gmail.com">Peter Romov</a>
+            <a href="https://github.com/romovpa" class="md-author" title="@romovpa">
+              
+              <img src="https://avatars.githubusercontent.com/u/152387?size=72" alt="romovpa">
+            </a>
+          
+          
+          
         </nav>
       </span>
     
-    
   </aside>
 
 
@@ -490,7 +498,7 @@ <h1 id="linked-data-basics">Linked Data Basics</h1>
       <div class="md-dialog__inner md-typeset"></div>
     </div>
     
-    <script id="__config" type="application/json">{"base": "..", "features": ["content.tooltips", "content.action.edit", "content.action.view", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "../assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
+    <script id="__config" type="application/json">{"base": "..", "features": ["content.tooltips", "content.action.edit", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "../assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
     
     
       <script src="../assets/javascripts/bundle.7c5c0157.min.js"></script>
diff --git a/namespace_convention/index.html b/namespace_convention/index.html
index a99cc6d..6de3225 100644
--- a/namespace_convention/index.html
+++ b/namespace_convention/index.html
@@ -129,7 +129,7 @@
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   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
       </div>
@@ -175,7 +175,7 @@
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   </div>
   <div class="md-source__repository">
-    GitHub
+    romovpa/my-data
   </div>
 </a>
     </div>
@@ -579,20 +579,12 @@
                   
 
   
-    <a href="https://github.com/romovpa/my-data/edit/master/docs/namespace_convention.md" title="Edit this page" class="md-content__button md-icon">
+    <a href="https://github.com/romovpa/my-data/edit/main/docs/namespace_convention.md" title="Edit this page" class="md-content__button md-icon">
       
       <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M10 20H6V4h7v5h5v3.1l2-2V8l-6-6H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h4v-2m10.2-7c.1 0 .3.1.4.2l1.3 1.3c.2.2.2.6 0 .8l-1 1-2.1-2.1 1-1c.1-.1.2-.2.4-.2m0 3.9L14.1 23H12v-2.1l6.1-6.1 2.1 2.1Z"/></svg>
     </a>
   
   
-    
-      
-    
-    <a href="https://github.com/romovpa/my-data/raw/master/docs/namespace_convention.md" title="View source of this page" class="md-content__button md-icon">
-      
-      <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17 18c.56 0 1 .44 1 1s-.44 1-1 1-1-.44-1-1 .44-1 1-1m0-3c-2.73 0-5.06 1.66-6 4 .94 2.34 3.27 4 6 4s5.06-1.66 6-4c-.94-2.34-3.27-4-6-4m0 6.5a2.5 2.5 0 0 1-2.5-2.5 2.5 2.5 0 0 1 2.5-2.5 2.5 2.5 0 0 1 2.5 2.5 2.5 2.5 0 0 1-2.5 2.5M9.27 20H6V4h7v5h5v4.07c.7.08 1.36.25 2 .49V8l-6-6H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h4.5a8.15 8.15 0 0 1-1.23-2Z"/></svg>
-    </a>
-  
 
 
 <h1 id="namespace-convention">Namespace Convention</h1>
@@ -639,25 +631,41 @@ <h3 id="global-identifiers">Global identifiers</h3>
 &lt;https://www.linkedin.com/in/linus-torvalds-90256b/&gt;
 </code></pre></div>
 
+  
+    
+  
+  
+
 
   <aside class="md-source-file">
     
+      <span class="md-source-file__fact">
+        <span class="md-icon" title="Last update">
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M21 13.1c-.1 0-.3.1-.4.2l-1 1 2.1 2.1 1-1c.2-.2.2-.6 0-.8l-1.3-1.3c-.1-.1-.2-.2-.4-.2m-1.9 1.8-6.1 6V23h2.1l6.1-6.1-2.1-2M12.5 7v5.2l4 2.4-1 1L11 13V7h1.5M11 21.9c-5.1-.5-9-4.8-9-9.9C2 6.5 6.5 2 12 2c5.3 0 9.6 4.1 10 9.3-.3-.1-.6-.2-1-.2s-.7.1-1 .2C19.6 7.2 16.2 4 12 4c-4.4 0-8 3.6-8 8 0 4.1 3.1 7.5 7.1 7.9l-.1.2v1.8Z"/></svg>
+        </span>
+        <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">August 13, 2023</span>
+      </span>
+    
+    
     
     
-      
       <span class="md-source-file__fact">
         <span class="md-icon" title="Contributors">
-          
-            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 4a4 4 0 0 1 4 4 4 4 0 0 1-4 4 4 4 0 0 1-4-4 4 4 0 0 1 4-4m0 10c4.42 0 8 1.79 8 4v2H4v-2c0-2.21 3.58-4 8-4Z"/></svg>
-          
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 2A10 10 0 0 0 2 12c0 4.42 2.87 8.17 6.84 9.5.5.08.66-.23.66-.5v-1.69c-2.77.6-3.36-1.34-3.36-1.34-.46-1.16-1.11-1.47-1.11-1.47-.91-.62.07-.6.07-.6 1 .07 1.53 1.03 1.53 1.03.87 1.52 2.34 1.07 2.91.83.09-.65.35-1.09.63-1.34-2.22-.25-4.55-1.11-4.55-4.92 0-1.11.38-2 1.03-2.71-.1-.25-.45-1.29.1-2.64 0 0 .84-.27 2.75 1.02.79-.22 1.65-.33 2.5-.33.85 0 1.71.11 2.5.33 1.91-1.29 2.75-1.02 2.75-1.02.55 1.35.2 2.39.1 2.64.65.71 1.03 1.6 1.03 2.71 0 3.82-2.34 4.66-4.57 4.91.36.31.69.92.69 1.85V21c0 .27.16.59.67.5C19.14 20.16 22 16.42 22 12A10 10 0 0 0 12 2Z"/></svg>
         </span>
+        <span>GitHub</span>
         <nav>
           
-            <a href="mailto:romovpa@gmail.com">Peter Romov</a>
+            <a href="https://github.com/romovpa" class="md-author" title="@romovpa">
+              
+              <img src="https://avatars.githubusercontent.com/u/152387?size=72" alt="romovpa">
+            </a>
+          
+          
+          
         </nav>
       </span>
     
-    
   </aside>
 
 
@@ -702,7 +710,7 @@ <h3 id="global-identifiers">Global identifiers</h3>
       <div class="md-dialog__inner md-typeset"></div>
     </div>
     
-    <script id="__config" type="application/json">{"base": "..", "features": ["content.tooltips", "content.action.edit", "content.action.view", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "../assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
+    <script id="__config" type="application/json">{"base": "..", "features": ["content.tooltips", "content.action.edit", "content.code.annotate", "content.code.copy", "navigation.tracking", "navigation.instant", "navigation.indexes", "navigation.selections", "navigation.top", "navigation.tracking", "search.highlight", "search.share", "search.suggest", "toc.follow", "header.autohide"], "search": "../assets/javascripts/workers/search.6c7302c4.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script>
     
     
       <script src="../assets/javascripts/bundle.7c5c0157.min.js"></script>
diff --git a/sitemap.xml b/sitemap.xml
index 7948b35..c645102 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -2,37 +2,37 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
     <url>
          <loc>https://romovpa.github.io/mydata/</loc>
-         <lastmod>2023-08-17</lastmod>
+         <lastmod>2023-08-18</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://romovpa.github.io/mydata/contributing/</loc>
-         <lastmod>2023-08-17</lastmod>
+         <lastmod>2023-08-18</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://romovpa.github.io/mydata/data-access/</loc>
-         <lastmod>2023-08-17</lastmod>
+         <lastmod>2023-08-18</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://romovpa.github.io/mydata/data-ownership/</loc>
-         <lastmod>2023-08-17</lastmod>
+         <lastmod>2023-08-18</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://romovpa.github.io/mydata/getting-started/</loc>
-         <lastmod>2023-08-17</lastmod>
+         <lastmod>2023-08-18</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://romovpa.github.io/mydata/linked-data/</loc>
-         <lastmod>2023-08-17</lastmod>
+         <lastmod>2023-08-18</lastmod>
          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://romovpa.github.io/mydata/namespace_convention/</loc>
-         <lastmod>2023-08-17</lastmod>
+         <lastmod>2023-08-18</lastmod>
          <changefreq>daily</changefreq>
     </url>
 </urlset>
\ No newline at end of file
diff --git a/sitemap.xml.gz b/sitemap.xml.gz
index 96c549d..b197c2c 100644
Binary files a/sitemap.xml.gz and b/sitemap.xml.gz differ