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The extraction of critical information from crime-related documents is a crucial task for law enforcement agencies. Named-Entity Recognition (NER) can perform this task in extracting information about the crime, the criminal, or law…

Name entity recognition in noisy user-generated texts is a difficult task usually enhanced by incorporating an external resource of information, such as gazetteers. However, gazetteers are task-specific, and they are expensive to build and…

Computation and Language · Computer Science 2020-05-19 Mhd Wesam Al-Nabki , Francisco Jañez-Martino , Roberto A. Vasco-Carofilis , Eduardo Fidalgo , Javier Velasco-Mata

We present a machine learning approach that ranked on the first place in the Arabic Dialect Identification (ADI) Closed Shared Tasks of the 2018 VarDial Evaluation Campaign. The proposed approach combines several kernels using multiple…

Computation and Language · Computer Science 2018-07-31 Andrei M. Butnaru , Radu Tudor Ionescu

We compare three simple and popular approaches for NER: 1) SEQ (sequence-labeling with a linear token classifier) 2) SeqCRF (sequence-labeling with Conditional Random Fields), and 3) SpanPred (span-prediction with boundary token…

Computation and Language · Computer Science 2023-05-31 Harsh Verma , Sabine Bergler , Narjesossadat Tahaei

Identifying named entities such as a person, location or organization, in documents can highlight key information to readers. Training Named Entity Recognition (NER) models requires an annotated data set, which can be a time-consuming…

Computation and Language · Computer Science 2022-12-20 Ting Wai Terence Au , Ingemar J. Cox , Vasileios Lampos

Named Entity Recognition (NER) is a fundamental task to extract key information from texts, but annotated resources are scarce for dialects. This paper introduces the first dialectal NER dataset for German, BarNER, with 161K tokens…

Computation and Language · Computer Science 2024-03-20 Siyao Peng , Zihang Sun , Huangyan Shan , Marie Kolm , Verena Blaschke , Ekaterina Artemova , Barbara Plank

Supervised named entity recognition (NER) in the biomedical domain depends on large sets of annotated texts with the given named entities. The creation of such datasets can be time-consuming and expensive, while extraction of new entities…

Computation and Language · Computer Science 2024-08-27 Miloš Košprdić , Nikola Prodanović , Adela Ljajić , Bojana Bašaragin , Nikola Milošević

Named Entity Recognition (NER) is a foundational NLP task that aims to provide class labels like Person, Location, Organisation, Time, and Number to words in free text. Named Entities can also be multi-word expressions where the additional…

Computation and Language · Computer Science 2022-05-02 Rudra Murthy , Pallab Bhattacharjee , Rahul Sharnagat , Jyotsana Khatri , Diptesh Kanojia , Pushpak Bhattacharyya

Multimodal Named Entity Recognition (MNER) is a pivotal task designed to extract named entities from text with the support of pertinent images. Nonetheless, a notable paucity of data for Chinese MNER has considerably impeded the progress of…

Computation and Language · Computer Science 2024-03-04 Yuanze Ji , Bobo Li , Jun Zhou , Fei Li , Chong Teng , Donghong Ji

This paper presents an overview of the ImageArg shared task, the first multimodal Argument Mining shared task co-located with the 10th Workshop on Argument Mining at EMNLP 2023. The shared task comprises two classification subtasks - (1)…

Computation and Language · Computer Science 2023-10-25 Zhexiong Liu , Mohamed Elaraby , Yang Zhong , Diane Litman

We describe our system for WNUT-2020 shared task on the identification of informative COVID-19 English tweets. Our system is an ensemble of various machine learning methods, leveraging both traditional feature-based classifiers as well as…

Computation and Language · Computer Science 2020-09-09 Abhilasha Sancheti , Kushal Chawla , Gaurav Verma

Popular solutions to Named Entity Recognition (NER) include conditional random fields, sequence-to-sequence models, or utilizing the question-answering framework. However, they are not suitable for nested and overlapping spans with large…

Computation and Language · Computer Science 2022-03-08 Hagen Soltau , Izhak Shafran , Mingqiu Wang , Laurent El Shafey

In this paper, we tackle the Nuanced Arabic Dialect Identification (NADI) shared task (Abdul-Mageed et al., 2021) and demonstrate state-of-the-art results on all of its four subtasks. Tasks are to identify the geographic origin of short…

Computation and Language · Computer Science 2021-03-02 Badr AlKhamissi , Mohamed Gabr , Muhammad ElNokrashy , Khaled Essam

Despite the recent success achieved by several two-stage prototypical networks in few-shot named entity recognition (NER) task, the overdetected false spans at the span detection stage and the inaccurate and unstable prototypes at the type…

Computation and Language · Computer Science 2023-10-17 Yongqi Li , Yu Yu , Tieyun Qian

In this paper, we describe our participation in the RuTermEval competition devoted to extracting nested terms. We apply the Binder model, which was previously successfully applied to the recognition of nested named entities, to extract…

Computation and Language · Computer Science 2025-05-13 Igor Rozhkov , Natalia Loukachevitch

While extensively explored in text-based tasks, Named Entity Recognition (NER) remains largely neglected in spoken language understanding. Existing resources are limited to a single, English-only dataset. This paper addresses this gap by…

Computation and Language · Computer Science 2024-05-21 Quentin Meeus , Marie-Francine Moens , Hugo Van hamme

The task of Named Entity Recognition (NER) is an important component of many natural language processing systems, such as relation extraction and knowledge graph construction. In this work, we present a simple and effective approach for…

Computation and Language · Computer Science 2022-03-29 Urchade Zaratiana , Pierre Holat , Nadi Tomeh , Thierry Charnois

There has been a growing academic interest in the recognition of nested named entities in many domains. We tackle the task with a novel local hypergraph-based method: We first propose start token candidates and generate corresponding…

Computation and Language · Computer Science 2022-05-24 Yukun Yan , Sen Song

Multimodal Named Entity Recognition (MNER) is a crucial task for information extraction from social media platforms such as Twitter. Most current methods rely on attention weights to extract information from both text and images but are…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Weide Liu , Xiaoyang Zhong , Jingwen Hou , Shaohua Li , Haozhe Huang , Yuming Fang

This paper summarizes the main findings of the ADoBo 2021 shared task, proposed in the context of IberLef 2021. In this task, we invited participants to detect lexical borrowings (coming mostly from English) in Spanish newswire texts. This…

Computation and Language · Computer Science 2021-11-01 Elena Álvarez Mellado , Luis Espinosa Anke , Julio Gonzalo Arroyo , Constantine Lignos , Jordi Porta Zamorano