add ECAI paper

Author: MKrale

_bibliography/papers.bib

@@ -7,6 +7,20 @@
 #                     2025
 #################################################
 
+@inproceedings{Galesloot2025Pessimistic,
+  author       = {Maris F. L. Galesloot and
+                  Marnix Suilen and
+                  Thiago D. Sim{\~{a}}o and
+                  Steven Carr and
+                  Matthijs T. J. Spaan and
+                  Ufuk Topcu and
+                  Nils Jansen},
+  title        = {Pessimistic Iterative Planning with {RNN}s for Robust {POMDP}s},
+  booktitle    = {{ECAI}},
+  year         = {2025},
+  notes        = {(to appear)}
+}
+
 @inproceedings{DBLP:conf/vmcai/AzeemCKKMMW25,
   author       = {Muqsit Azeem and
                   Debraj Chakraborty and