diff --git a/gipp.bib b/gipp.bib
index e61902cd7b66e9e2509834d1f4ecebc5990a13a1..e396507290f36b32f95dcf698fc79aa9aced3f03 100644
--- a/gipp.bib
+++ b/gipp.bib
@@ -845,13 +845,6 @@
   title      = {{S}emantification of {I}dentifiers in {M}athematics for {B}etter {M}ath {I}nformation {R}etrieval},
 }
 
-@inproceedings{Schubotz16a,
-  author    = {{S}chubotz, {M}oritz and {M}euschke, {N}orman and {L}eich, {M}arcus and {G}ipp, {B}ela},
-  booktitle = {{P}roceedings of the 12th {NTCIR} {C}onference on {E}valuation of {I}nformation {A}ccess {T}echnologies ({NTCIR}-12)},
-  date      = {2016},
-  title     = {{E}xploring the {O}ne-brain {B}arrier: a {M}anual {C}ontribution to the {NTCIR}-12 {M}ath {T}ask},
-}
-
 @inproceedings{Schubotz2016b,
   author     = {Schubotz, Moritz and Meuschke, Norman and Leich, Marcus and Gipp, Bela},
   booktitle  = {Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies (NTCIR -12)},
@@ -1282,6 +1275,7 @@
   location  = {Hagenberg, Austria},
   booktitle = {Proceedings of the 11th Conference on Intelligent Computer Mathematics (CICM)},
   date      = {2018},
+  keywords  = {schubotzCV},
   preprint  = {https://www.gipp.com/wp-content/papercite-data/pdf/petersen2018.pdf},
   title     = {Towards Formula Translation using Recursive Neural Networks},
 }