Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor 2021-08 Association for Computational Linguistics Online text conference publication case-2021-challenges https://aclanthology.org/2021.case-1.0/ Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021): Workshop and Shared Task Report Ali Hürriyetoğlu author Hristo Tanev author Vanni Zavarella author Jakub Piskorski author Reyyan Yeniterzi author Osman Mutlu author Deniz Yuret author Aline Villavicencio author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication hurriyetoglu-etal-2021-challenges 10.18653/v1/2021.case-1.1 https://aclanthology.org/2021.case-1.1/ 2021-08 1 9 Keynote Abstract: Events on a Global Scale: Towards Language-Agnostic Event Extraction Elizabeth Boschee author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication boschee-2021-keynote 10.18653/v1/2021.case-1.2 https://aclanthology.org/2021.case-1.2/ 2021-08 10 Keynote Abstract: Machine Learning in Conflict Studies: Reflections on Ethics, Collaboration, and Ongoing Challenges Kristine Eck author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication eck-2021-keynote 10.18653/v1/2021.case-1.3 https://aclanthology.org/2021.case-1.3/ 2021-08 11 PROTEST-ER: Retraining BERT for Protest Event Extraction Tommaso Caselli author Osman Mutlu author Angelo Basile author Ali Hürriyetoğlu author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication caselli-etal-2021-protest 10.18653/v1/2021.case-1.4 https://aclanthology.org/2021.case-1.4/ 2021-08 12 19 ArgFuse: A Weakly-Supervised Framework for Document-Level Event Argument Aggregation Debanjana Kar author Sudeshna Sarkar author Pawan Goyal author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication kar-etal-2021-argfuse 10.18653/v1/2021.case-1.5 https://aclanthology.org/2021.case-1.5/ 2021-08 20 30 Modality and Negation in Event Extraction Sander Bijl de Vroe author Liane Guillou author Miloš Stanojević author Nick McKenna author Mark Steedman author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication bijl-de-vroe-etal-2021-modality 10.18653/v1/2021.case-1.6 https://aclanthology.org/2021.case-1.6/ 2021-08 31 42 Characterizing News Portrayal of Civil Unrest in Hong Kong, 1998–2020 James Scharf author Arya D McCarthy author Giovanna Maria Dora Dore author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication scharf-etal-2021-characterizing 10.18653/v1/2021.case-1.7 https://aclanthology.org/2021.case-1.7/ 2021-08 43 52 Regressing Location on Text for Probabilistic Geocoding Benjamin J Radford author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication radford-2021-regressing 10.18653/v1/2021.case-1.8 https://aclanthology.org/2021.case-1.8/ 2021-08 53 57 Extracting Events from Industrial Incident Reports Nitin Ramrakhiyani author Swapnil Hingmire author Sangameshwar Patil author Alok Kumar author Girish Palshikar author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication ramrakhiyani-etal-2021-extracting 10.18653/v1/2021.case-1.9 https://aclanthology.org/2021.case-1.9/ 2021-08 58 67 Automatic Fake News Detection in Political Platforms - A Transformer-based Approach Shaina Raza author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication raza-2021-automatic 10.18653/v1/2021.case-1.10 https://aclanthology.org/2021.case-1.10/ 2021-08 68 78 Multilingual Protest News Detection - Shared Task 1, CASE 2021 Ali Hürriyetoğlu author Osman Mutlu author Erdem Yörük author Farhana Ferdousi Liza author Ritesh Kumar author Shyam Ratan author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication hurriyetoglu-etal-2021-multilingual 10.18653/v1/2021.case-1.11 https://aclanthology.org/2021.case-1.11/ 2021-08 79 91 Shared Task 1 System Description : Exploring different approaches for multilingual tasks Sureshkumar Vivek Kalyan author Tan Paul author Tan Shaun author Martin Andrews author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication vivek-kalyan-etal-2021-shared 10.18653/v1/2021.case-1.12 https://aclanthology.org/2021.case-1.12/ 2021-08 92 97 IIITT at CASE 2021 Task 1: Leveraging Pretrained Language Models for Multilingual Protest Detection Pawan Kalyan author Duddukunta Reddy author Adeep Hande author Ruba Priyadharshini author Ratnasingam Sakuntharaj author Bharathi Raja Chakravarthi author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication kalyan-etal-2021-iiitt 10.18653/v1/2021.case-1.13 https://aclanthology.org/2021.case-1.13/ 2021-08 98 104 NUS-IDS at CASE 2021 Task 1: Improving Multilingual Event Sentence Coreference Identification With Linguistic Information Fiona Anting Tan author Sujatha Das Gollapalli author See-Kiong Ng author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication tan-etal-2021-nus 10.18653/v1/2021.case-1.14 https://aclanthology.org/2021.case-1.14/ 2021-08 105 112 FKIE_itf_2021 at CASE 2021 Task 1: Using Small Densely Fully Connected Neural Nets for Event Detection and Clustering Nils Becker author Theresa Krumbiegel author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication becker-krumbiegel-2021-fkie 10.18653/v1/2021.case-1.15 https://aclanthology.org/2021.case-1.15/ 2021-08 113 119 DAAI at CASE 2021 Task 1: Transformer-based Multilingual Socio-political and Crisis Event Detection Hansi Hettiarachchi author Mariam Adedoyin-Olowe author Jagdev Bhogal author Mohamed Medhat Gaber author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication hettiarachchi-etal-2021-daai 10.18653/v1/2021.case-1.16 https://aclanthology.org/2021.case-1.16/ 2021-08 120 130 SU-NLP at CASE 2021 Task 1: Protest News Detection for English Furkan Çelik author Tuğberk Dalkılıç author Fatih Beyhan author Reyyan Yeniterzi author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication celik-etal-2021-su 10.18653/v1/2021.case-1.17 https://aclanthology.org/2021.case-1.17/ 2021-08 131 137 IBM MNLP IE at CASE 2021 Task 1: Multigranular and Multilingual Event Detection on Protest News Parul Awasthy author Jian Ni author Ken Barker author Radu Florian author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication awasthy-etal-2021-ibm 10.18653/v1/2021.case-1.18 https://aclanthology.org/2021.case-1.18/ 2021-08 138 146 ALEM at CASE 2021 Task 1: Multilingual Text Classification on News Articles Alaeddin Gürel author Emre Emin author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication gurel-emin-2021-alem 10.18653/v1/2021.case-1.19 https://aclanthology.org/2021.case-1.19/ 2021-08 147 151 Team “NoConflict” at CASE 2021 Task 1: Pretraining for Sentence-Level Protest Event Detection Tiancheng Hu author Niklas Stoehr author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication hu-stoehr-2021-team 10.18653/v1/2021.case-1.20 https://aclanthology.org/2021.case-1.20/ 2021-08 152 160 AMU-EURANOVA at CASE 2021 Task 1: Assessing the stability of multilingual BERT Léo Bouscarrat author Antoine Bonnefoy author Cécile Capponi author Carlos Ramisch author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication bouscarrat-etal-2021-amu 10.18653/v1/2021.case-1.21 https://aclanthology.org/2021.case-1.21/ 2021-08 161 170 Team “DaDeFrNi” at CASE 2021 Task 1: Document and Sentence Classification for Protest Event Detection Francesco Re author Daniel Vegh author Dennis Atzenhofer author Niklas Stoehr author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication re-etal-2021-team 10.18653/v1/2021.case-1.22 https://aclanthology.org/2021.case-1.22/ 2021-08 171 178 Fine-grained Event Classification in News-like Text Snippets - Shared Task 2, CASE 2021 Jacek Haneczok author Guillaume Jacquet author Jakub Piskorski author Nicolas Stefanovitch author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication haneczok-etal-2021-fine 10.18653/v1/2021.case-1.23 https://aclanthology.org/2021.case-1.23/ 2021-08 179 192 IBM MNLP IE at CASE 2021 Task 2: NLI Reranking for Zero-Shot Text Classification Ken Barker author Parul Awasthy author Jian Ni author Radu Florian author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication barker-etal-2021-ibm 10.18653/v1/2021.case-1.24 https://aclanthology.org/2021.case-1.24/ 2021-08 193 202 CASE 2021 Task 2: Zero-Shot Classification of Fine-Grained Sociopolitical Events with Transformer Models Benjamin J Radford author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication radford-2021-case 10.18653/v1/2021.case-1.25 https://aclanthology.org/2021.case-1.25/ 2021-08 203 207 CASE 2021 Task 2 Socio-political Fine-grained Event Classification using Fine-tuned RoBERTa Document Embeddings Samantha Kent author Theresa Krumbiegel author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication kent-krumbiegel-2021-case 10.18653/v1/2021.case-1.26 https://aclanthology.org/2021.case-1.26/ 2021-08 208 217 Discovering Black Lives Matter Events in the United States: Shared Task 3, CASE 2021 Salvatore Giorgi author Vanni Zavarella author Hristo Tanev author Nicolas Stefanovitch author Sy Hwang author Hansi Hettiarachchi author Tharindu Ranasinghe author Vivek Kalyan author Paul Tan author Shaun Tan author Martin Andrews author Tiancheng Hu author Niklas Stoehr author Francesco Ignazio Re author Daniel Vegh author Dennis Atzenhofer author Brenda Curtis author Ali Hürriyetoğlu author 2021-08 text Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021) Ali Hürriyetoğlu editor Association for Computational Linguistics Online conference publication giorgi-etal-2021-discovering 10.18653/v1/2021.case-1.27 https://aclanthology.org/2021.case-1.27/ 2021-08 218 227