update

src/backend/tasks/xsum/task.py

@@ -175,7 +175,7 @@ class XSum(Task):
             A dictionary where keys are the names of submetrics and values are
             functions that aggregate a list of metrics
         """
-        return {k: mean for k in ["rouge1", "rouge2", "rougeL", "factKB"]}
+        return {k: mean for k in ["rouge1", "rouge2", "rougeL", "factKB", "bertscore_precision", "bertscore_recall", "bertscore_f1"]}
 
     def higher_is_better(self):
         """
@@ -183,4 +183,4 @@ class XSum(Task):
             A dictionary where keys are the names of submetrics and values are
             whether a higher value of the submetric is better
         """
-        return {k: True for k in ["rouge1", "rouge2", "rougeL", "factKB"]}
+        return {k: True for k in ["rouge1", "rouge2", "rougeL", "factKB", "bertscore_precision", "bertscore_recall", "bertscore_f1"]}