Reformat bib file

gipp.bib

@@ -956,11 +956,13 @@
   editor    = {Geuvers, Herman and England, Matthew and Hasan, Osman and Rabe, Florian and Teschke, Olaf},
   publisher = {Springer},
   url       = {https://doi.org/10.1007/978-3-319-62075-6_9},
+  biburl    = {https://dblp.org/rec/bib/conf/mkm/CohlSYGGSMBC17},
   booktitle = {Intelligent Computer Mathematics - 10th International Conference, {CICM} 2017, Edinburgh, UK, July 17-21, 2017, Proceedings},
   date      = {2017},
   doi       = {10.1007/978-3-319-62075-6_9},
   keywords  = {schubotzCV},
   pages     = {115--131},
+  preprint  = {http://hcohl.sdf.org/drmfcas.pdf},
   series    = {Lecture Notes in Computer Science},
   title     = {Semantic Preserving Bijective Mappings of Mathematical Formulae Between Document Preparation Systems and Computer Algebra Systems},
   volume    = {10383},
@@ -968,6 +970,8 @@
 
 @inproceedings{Corneli2017,
   author    = {Corneli, Joe and Schubotz, Moritz},
+  url       = {https://www.research.ed.ac.uk/portal/files/32938085/corneli2017math.pdf},
+  biburl    = {https://www.research.ed.ac.uk/portal/en/publications/mathwikipediaorg-a-vision-for-a-collaborative-semiformal-language-independent-maths-encyclopedia(9588c61f-5234-4f9d-a036-c7c3daac9307).bibtex?download=true},
   booktitle = {Conference on Artificial Intelligence and Theorem Proving},
   date      = {2017},
   file      = {:aitp-math-wiki-4pp.pdf:PDF},
@@ -1179,11 +1183,13 @@
   editor    = {Chen, Jiangping and Gon{\c{c}}alves, Marcos Andr{\'{e}} and Allen, Jeff M. and Fox, Edward A. and Kan, Min{-}Yen and Petras, Vivien},
   publisher = {ACM},
   url       = {http://doi.acm.org/10.1145/3197026.3203899},
+  biburl    = {https://dblp.uni-trier.de/rec/bibtex/conf/jcdl/HamborgBSLG18},
   booktitle = {Proceedings of the 18th {ACM/IEEE} on Joint Conference on Digital Libraries, {JCDL} 2018, Fort Worth, TX, USA, June 03-07, 2018},
   date      = {2018},
   doi       = {10.1145/3197026.3203899},
   keywords  = {SchubotzCV},
   pages     = {339--340},
+  preprint  = {https://www.gipp.com/wp-content/papercite-data/pdf/hamborg2018a.pdf},
   title     = {Extraction of Main Event Descriptors from News Articles by Answering the Journalistic Five {W} and One {H} Questions},
 }
 
@@ -1201,11 +1207,13 @@
   editor    = {Chowdhury, Gobinda and McLeod, Julie and Gillet, Valerie J. and Willett, Peter},
   publisher = {Springer},
   url       = {https://doi.org/10.1007/978-3-319-78105-1_39},
+  biburl    = {https://dblp.org/rec/bib/conf/iconference/HamborgLSHG18},
   booktitle = {Transforming Digital Worlds - 13th International Conference, iConference 2018, Sheffield, UK, March 25-28, 2018, Proceedings},
   date      = {2018},
   doi       = {10.1007/978-3-319-78105-1_39},
   keywords  = {schubotzCV},
   pages     = {356--366},
+  preprint  = {https://www.gipp.com/wp-content/papercite-data/pdf/hamborg2018.pdf},
   series    = {Lecture Notes in Computer Science},
   title     = {Giveme5W: Main Event Retrieval from News Articles by Extraction of the Five Journalistic {W} Questions},
   volume    = {10766},
@@ -1224,6 +1232,7 @@
   author       = {Heck, Nina and Schubotz, Moritz},
   publisher    = {Ubiquity Press, Ltd.},
   url          = {https://doi.org/10.5334/jors.199},
+  biburl       = {https://kops.uni-konstanz.de/handle/123456789/42726},
   date         = {2018},
   doi          = {10.5334/jors.199},
   journaltitle = {Journal of Open Research Software},
@@ -1265,6 +1274,7 @@
 @inproceedings{Meuschke2018a,
   author    = {Meuschke, Norman and Stange, Vincent and Schubotz, Moritz and Gipp, Bela},
   location  = {Ann Arbor, MI, USA},
+  biburl    = {https://dblp.uni-trier.de/rec/bibtex/conf/sigir/MeuschkeSSG18},
   booktitle = {Proceedings of the International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR)},
   date      = {2018},
   doi       = {10.1145/3209978.3210177},
@@ -1277,6 +1287,8 @@
 @inproceedings{Petersen2018,
   author    = {Petersen, Felix and Schubotz, Moritz and Gipp, Bela},
   location  = {Hagenberg, Austria},
+  url       = {http://arxiv.org/abs/1811.04234},
+  biburl    = {https://dblp.org/rec/bib/journals/corr/abs-1811-04234},
   booktitle = {Proceedings of the 11th Conference on Intelligent Computer Mathematics (CICM)},
   date      = {2018},
   keywords  = {schubotzCV},
@@ -1289,6 +1301,7 @@
   editor    = {Mayr, Philipp and Chandrasekaran, Muthu Kumar and Jaidka, Kokil},
   publisher = {CEUR-WS.org},
   url       = {http://ceur-ws.org/Vol-2132/paper5.pdf},
+  biburl    = {https://dblp.org/rec/bib/conf/sigir/ScharpfSG18},
   booktitle = {Proceedings of the 3rd Joint Workshop on Bibliometric-enhanced Information Retrieval and Natural Language Processing for Digital Libraries {(BIRNDL} 2018) co-located with the 41st International {ACM} {SIGIR} Conference on Research and Development in Information Retrieval {(SIGIR} 2018), Ann Arbor, USA, July 12, 2018.},
   date      = {2018},
   file      = {:ScharpfSG18.pdf:PDF},
@@ -1317,6 +1330,7 @@
   date      = {2018},
   doi       = {10.5281/zenodo.1409946},
   keywords  = {schubotzCV},
+  preprint  = {https://github.com/ag-gipp/18CicmWikidata/releases/download/build-master-2018-10-16-15/main.pdf},
   title     = {Generating OpenMath Content Dictionaries from Wikidata},
 }
 
@@ -1325,6 +1339,7 @@
   editor    = {der Mathematik der Universit\"{a}t Paderborn, Fachgruppe Didaktik},
   language  = {de},
   publisher = {Gesellschaft f\"{u}r Didaktik der Mathematik},
+  biburl    = {https://search.datacite.org/works/10.17877/DE290R-19676},
   booktitle = {Beitr\"{a}ge zum Mathematikunterricht 2018},
   date      = {2018},
   doi       = {10.17877/de290r-19676},