Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 pietrolesci--DBPedia_Classes_indexed/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+pietrolesci--DBPedia_Classes_indexed/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

pietrolesci--DBPedia_Classes_indexed/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:13a7003ac5843d74ea396639b5c87a547a0c22f65f94eeb3cfd33b9e7a05efeb
+size 309342208