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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…

计算与语言 · 计算机科学 2024-03-20 Siyao Peng , Zihang Sun , Huangyan Shan , Marie Kolm , Verena Blaschke , Ekaterina Artemova , Barbara Plank

Forms are a widespread type of template-based document used in a great variety of fields including, among others, administration, medicine, finance, or insurance. The automatic extraction of the information included in these documents is…

计算与语言 · 计算机科学 2021-12-15 María Villota , César Domínguez , Jónathan Heras , Eloy Mata , Vico Pascual

We introduce a new language representation model in finance called Financial Embedding Analysis of Sentiment (FinEAS). In financial markets, news and investor sentiment are significant drivers of security prices. Thus, leveraging the…

计算与语言 · 计算机科学 2021-11-22 Asier Gutiérrez-Fandiño , Miquel Noguer i Alonso , Petter Kolm , Jordi Armengol-Estapé

In this work, we address the NER problem by splitting it into two logical sub-tasks: (1) Span Detection which simply extracts entity mention spans irrespective of entity type; (2) Span Classification which classifies the spans into their…

计算与语言 · 计算机科学 2023-11-01 Jatin Arora , Youngja Park

We propose a new Named entity recognition (NER) method to effectively make use of the results of Part-of-speech (POS) tagging, Chinese word segmentation (CWS) and parsing while avoiding NER error caused by POS tagging error. This paper…

计算与语言 · 计算机科学 2021-01-28 Xiao Fu , Guijun Zhang

The use of BERT, one of the most popular language models, has led to improvements in many Natural Language Processing (NLP) tasks. One such task is Named Entity Recognition (NER) i.e. automatic identification of named entities such as…

计算与语言 · 计算机科学 2023-03-10 Harshil Darji , Jelena Mitrović , Michael Granitzer

Pre-trained BERT models have achieved impressive performance in many natural language processing (NLP) tasks. However, in many real-world situations, textual data are usually decentralized over many clients and unable to be uploaded to a…

计算与语言 · 计算机科学 2022-05-27 Zhengyang Li , Shijing Si , Jianzong Wang , Jing Xiao

Financial disclosures such as 10-K filings present challenging retrieval problems due to their length, regulatory section hierarchy, and domain-specific language, which standard retrieval-augmented generation (RAG) models underuse. We…

计算工程、金融与科学 · 计算机科学 2025-09-16 Ying Li , Mengyu Wang , Miguel de Carvalho , Sotirios Sabanis , Tiejun Ma

This paper presents new state-of-the-art models for three tasks, part-of-speech tagging, syntactic parsing, and semantic parsing, using the cutting-edge contextualized embedding framework known as BERT. For each task, we first replicate and…

计算与语言 · 计算机科学 2020-05-26 Han He , Jinho D. Choi

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…

计算与语言 · 计算机科学 2022-03-29 Urchade Zaratiana , Pierre Holat , Nadi Tomeh , Thierry Charnois

Both performance and efficiency are crucial factors for sequence labeling tasks in many real-world scenarios. Although the pre-trained models (PTMs) have significantly improved the performance of various sequence labeling tasks, their…

计算与语言 · 计算机科学 2021-06-15 Xiaonan Li , Yunfan Shao , Tianxiang Sun , Hang Yan , Xipeng Qiu , Xuanjing Huang

Extracting structured intelligence via Named Entity Recognition (NER) is critical for cybersecurity, but the proliferation of datasets with incompatible annotation schemas hinders the development of comprehensive models. While combining…

密码学与安全 · 计算机科学 2025-10-31 Yasir Ech-Chammakhy , Anas Motii , Anass Rabii , Oussama Azrara , Jaafar Chbili

This paper presents a novel framework, MGNER, for Multi-Grained Named Entity Recognition where multiple entities or entity mentions in a sentence could be non-overlapping or totally nested. Different from traditional approaches regarding…

计算与语言 · 计算机科学 2020-04-06 Congying Xia , Chenwei Zhang , Tao Yang , Yaliang Li , Nan Du , Xian Wu , Wei Fan , Fenglong Ma , Philip Yu

Lately, instruction-based techniques have made significant strides in improving performance in few-shot learning scenarios. They achieve this by bridging the gap between pre-trained language models and fine-tuning for specific downstream…

信息检索 · 计算机科学 2024-01-25 Hiranmai Sri Adibhatla , Pavan Baswani , Manish Shrivastava

Text segmentation holds paramount importance in the field of Natural Language Processing (NLP). It plays an important role in several NLP downstream tasks like information retrieval and document summarization. In this work, we propose a new…

计算与语言 · 计算机科学 2024-08-30 Majd Saleh , Sarra Baghdadi , Stéphane Paquelet

In recent years, the fine-tuned generative models have been proven more powerful than the previous tagging-based or span-based models on named entity recognition (NER) task. It has also been found that the information related to entities,…

计算与语言 · 计算机科学 2024-06-12 Guochao Jiang , Ziqin Luo , Yuchen Shi , Dixuan Wang , Jiaqing Liang , Deqing Yang

Named Entity Recognition (NER) is a critical component of Natural Language Processing (NLP) for extracting structured information from unstructured text. However, for low-resource languages like Catalan, the performance of NER systems often…

Named Entity Recognition(NER) is a task of recognizing entities at a token level in a sentence. This paper focuses on solving NER tasks in a multilingual setting for complex named entities. Our team, LLM-RM participated in the recently…

计算与语言 · 计算机科学 2023-05-08 Rahul Mehta , Vasudeva Varma

All public companies are required by federal securities law to disclose their business and financial activities in their annual 10-K reports. Each report typically spans hundreds of pages, making it difficult for human readers to identify…

计算与语言 · 计算机科学 2023-08-16 Victor Zitian Chen

Named Entity Recognition (NER) is an important subtask of information extraction that seeks to locate and recognise named entities. Despite recent achievements, we still face limitations in correctly detecting and classifying entities,…

信息检索 · 计算机科学 2018-09-07 Diego Esteves