LIPN at WojoodNER shared task: A Span-Based Approach for Flat and Nested Arabic Named Entity Recognition Niama Elkhbir author Urchade Zaratiana author Nadi Tomeh author Thierry Charnois author 2023-12 text Proceedings of ArabicNLP 2023 Hassan Sawaf editor Samhaa El-Beltagy editor Wajdi Zaghouani editor Walid Magdy editor Ahmed Abdelali editor Nadi Tomeh editor Ibrahim Abu Farha editor Nizar Habash editor Salam Khalifa editor Amr Keleg editor Hatem Haddad editor Imed Zitouni editor Khalil Mrini editor Rawan Almatham editor Association for Computational Linguistics Singapore (Hybrid) conference publication elkhbir-etal-2023-lipn 10.18653/v1/2023.arabicnlp-1.89 https://aclanthology.org/2023.arabicnlp-1.89/ 2023-12 789 796