Reformat bib file

gipp.bib

@@ -1607,16 +1607,6 @@
   title     = {Introducing MathQA - A Math-Aware Question Answering System},
 }
 
-@inproceedings{GreinerPetter2019b,
-  author    = {Greiner-Petter, Andr{\'{e}} and Ruas, Terry and Schubotz, Moritz and Aizawa, Akiko and Grosky, William and Gipp, Bela},
-  url       = {http://ceur-ws.org/Vol-2414/paper14.pdf},
-  booktitle = {Proceedings of the 4rd Joint Workshop on Bibliometric-enhanced Information Retrieval and Natural Language Processing for Digital Libraries {(BIRNDL} 2018) co-located with the 42nd International {ACM} {SIGIR} Conference on Research and Development in Information Retrieval {(SIGIR} 2019), Paris, USA, July 25, 2019.},
-  date      = {2019-07},
-  keywords  = {preprint,SchubotzCV,DFG1259-1},
-  preprint  = {https://arxiv.org/pdf/1905.08359},
-  title     = {Why Machines Cannot Learn Mathematics, Yet},
-}
-
 @article{GreinerPetter2019,
   author       = {Greiner-Petter, Andre and Schubotz, Moritz and Cohl, Howard S. and Gipp, Bela},
   biburl       = {https://www.emeraldinsight.com/action/showCitFormats?doi=10.1108%2FAJIM-08-2018-0185},
@@ -1632,6 +1622,16 @@
   volume       = {71},
 }
 
+@inproceedings{GreinerPetter2019b,
+  author    = {Greiner-Petter, Andr{\'{e}} and Ruas, Terry and Schubotz, Moritz and Aizawa, Akiko and Grosky, William and Gipp, Bela},
+  url       = {http://ceur-ws.org/Vol-2414/paper14.pdf},
+  booktitle = {Proceedings of the 4rd Joint Workshop on Bibliometric-enhanced Information Retrieval and Natural Language Processing for Digital Libraries {(BIRNDL} 2018) co-located with the 42nd International {ACM} {SIGIR} Conference on Research and Development in Information Retrieval {(SIGIR} 2019), Paris, USA, July 25, 2019.},
+  date      = {2019-07},
+  keywords  = {preprint,SchubotzCV,DFG1259-1},
+  preprint  = {https://arxiv.org/pdf/1905.08359},
+  title     = {Why Machines Cannot Learn Mathematics, Yet},
+}
+
 @article{Hulek19,
   author       = {{Hulek}, Klaus and {M\"{u}ller}, Fabian and {Schubotz}, Moritz and {Teschke}, Olaf},
   language     = {English},