Update publication list

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@@ -303,7 +303,7 @@
       <a href="http://ceur-ws.org/Vol-1785/W48.pdf">PDF</a> 
       <a href="http://pure-oai.bham.ac.uk/ws/files/31196373/Schubotz_Sexton_Smooth_Transition_CEUR_Proceedings.pdf">Preprint</a> 
       <a href="https://dblp.org/rec/bib/conf/cikm/SchubotzS16">Bibtex</a> 
-      <a href="">Homepage</a>
+      <a href="https://github.com/wikimedia/mathoid/">Homepage</a>
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    <li>
       <strong>Getting the units right</strong>
@@ -366,7 +366,7 @@
       <a href="http://dx.doi.org/10.1007/978-3-319-08434-3_17" class="external">DOI: 10.1007/978-3-319-08434-3_17</a> 
       <a href="https://arxiv.org/pdf/1404.6179.pdf">Preprint</a> 
       <a href="https://dblp.uni-trier.de/rec/bibtex/conf/mkm/SchubotzW14">Bibtex</a> 
-      <a href="">Homepage</a>
+      <a href="https://github.com/wikimedia/mathoid/">Homepage</a>
    </li>
    <li>
       <strong>Evaluation of Similarity-Measure Factors for Formulae Based on the NTCIR-11 Math Task</strong>