remove some nodes

citeseer.py

@@ -172,6 +172,15 @@ class CiteseerDataset(datasets.GeneratorBasedBuilder):
                 names=colnames,
                 dtype=dict(zip(colnames, dtypes))
             )
+
+            # Some nodes appears in the edgelist but not in the dataset, so we rm them
+            all_nodes = set(neighbors.keys())
+            for vv in neighbors.values():
+                all_nodes.update(set(vv))
+            nodes_to_rm = all_nodes.difference(nodes["node"])
+            for n in neighbors.keys():
+                neighbors[n] = list(set(neighbors[n]).difference(nodes_to_rm))
+
             col2idx = {col: i for i, col in enumerate(list(nodes))}
             for id, row in enumerate(nodes.itertuples(index=False, name=None)):
                 n = row[col2idx["node"]]