Update publication list

docs/publist.html

@@ -14,7 +14,7 @@
           S.
           Cohl
         , A Aizawa, B Gipp<br/>
-      <em>Proceedings of The Web Conference 2020 (WWW ’20), April 20--24, 2020, Taipei, Taiwan</em>
+      <em>Proceedings of The Web Conference 2020 (WWW'20), April 20--24, 2020, Taipei, Taiwan</em>
       <br/>
       <a href="http://dx.doi.org/10.1145/3366423.3380218" class="external">DOI: 10.1145/3366423.3380218</a> 
       <a href="https://ag-gipp.github.io/bib/preprints/greinerpetter2020.pdf">Preprint</a>