Add preprint for cicm19plag

gipp.bib

@@ -1619,5 +1619,15 @@
   title        = {Overview of Licensing Platforms based on Distributed Ledger Technology},
 }
 
+@inproceedings{Schubotz2019,
+  author    = {Schubotz, Moritz and Teschke, Olaf and Stange, Vincent and Meuschke, Norman and Gipp, Bela},
+  location  = {Czech Republic},
+  booktitle = {Intelligent Computer Mathematics - 12th International Conference, {CICM} 2019, Prague, Czech Republic, July 8-12, 2019, Proceedings},
+  date      = {2019-07},
+  keywords  = {preprint,SchubotzCV},
+  preprint  = {https://ag-gipp.github.io/bib/preprints/schubotz2019.pdf},
+  title     = {Forms~of~Plagiarism in Digital Mathematical Libraries},
+}
+
 @comment{jabref-meta: databaseType:biblatex;
 }