Update dblp-discovery-dataset.py

dblp-discovery-dataset.py

@@ -122,6 +122,10 @@ class D3(datasets.GeneratorBasedBuilder):
                     "DOI": datasets.Value("string"),
                     "PubMedCentral": datasets.Value("string"),
                 },
+                "syntactic": datasets.Sequence(datasets.Value("string")),
+                "semantic": datasets.Sequence(datasets.Value("string")),
+                "union": datasets.Sequence(datasets.Value("string")),
+                "enhanced": datasets.Sequence(datasets.Value("string"))
             },
             data_url="https://zenodo.org/record/7071698/files/2022-11-30-papers.jsonl.gz?download=1",
             data_dir="papers",
@@ -142,7 +146,7 @@ class D3(datasets.GeneratorBasedBuilder):
                 "externalids": {
                     "DBLP": datasets.Value("string"),
                     "ORCID": datasets.Value("string"),
-                },
+                }
             },
             data_url="https://zenodo.org/record/7071698/files/2022-11-30-authors.jsonl.gz?download=1",
             data_dir="authors",