Update metadata and citation

README.md

@@ -2873,9 +2873,9 @@ dataset_info:
 
 ## Dataset Description
 
-- **Homepage:** https://doi.org/10.5281/zenodo.5528002
 - **Repository:** https://github.com/christospi/glc-nllp-21
-- **Paper:** TBA
+- **Paper:** https://arxiv.org/abs/2109.15298
+- **Data:** https://doi.org/10.5281/zenodo.5528002
 - **Leaderboard:** N/A
 - **Point of Contact:** [Christos Papaloukas](mailto:christospap@di.uoa.gr)
 
@@ -3049,13 +3049,13 @@ Papaloukas et al. (2021)
 @inproceedings{papaloukas-etal-2021-glc,
     title = "Multi-granular Legal Topic Classification on Greek Legislation",
     author = "Papaloukas, Christos and Chalkidis, Ilias and Athinaios, Konstantinos and Pantazi, Despina-Athanasia and Koubarakis, Manolis",
-    booktitle = "Proceedings of the 3rd Natural Legal Language Processing (NLLP) Workshop",
+    booktitle = "Proceedings of the Natural Legal Language Processing Workshop 2021",
     year = "2021",
     address = "Punta Cana, Dominican Republic",
-    publisher = "",
+    publisher = "Association for Computational Linguistics",
     url = "https://arxiv.org/abs/2109.15298",
-    doi = "",
-    pages = ""
+    doi = "10.48550/arXiv.2109.15298",
+    pages = "63--75"
 }
 ```