Update papers.bib

Author: javaheriamirhossein

_bibliography/papers.bib

@@ -2,6 +2,7 @@
 ---
 
 @misc{hippertferrer2025missingdatasignalprocessing,
+      abbr={arXiv},
       title={Missing Data in Signal Processing and Machine Learning: Models, Methods and Modern Approaches}, 
       author={Alexandre Hippert-Ferrer and Aude Sportisse and Amirhossein Javaheri and Mohammed Nabil El Korso and Daniel P. Palomar},
       year={2025},
@@ -12,6 +13,7 @@ @misc{hippertferrer2025missingdatasignalprocessing
 }
 
 @misc{javaheri2025clusteringincompletedatabipartite,
+      abbr={EUSIPCO},
       title={Clustering of Incomplete Data via a Bipartite Graph Structure}, 
       author={Amirhossein Javaheri and Daniel P. Palomar},
       year={2025},