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Multi-modal named entity recognition (NER) and relation extraction (RE) aim to leverage relevant image information to improve the performance of NER and RE. Most existing efforts largely focused on directly extracting potentially useful…

计算与语言 · 计算机科学 2022-12-06 Xinyu Wang , Jiong Cai , Yong Jiang , Pengjun Xie , Kewei Tu , Wei Lu

With the fast development of Deep Learning techniques, Named Entity Recognition (NER) is becoming more and more important in the information extraction task. The greatest difficulty that the NER task faces is to keep the detectability even…

计算与语言 · 计算机科学 2024-01-23 Xin Chen , Qi Zhao , Xinyang Liu

Named entity recognition (NER) is a well-established task of information extraction which has been studied for decades. More recently, studies reporting NER experiments on social media texts have emerged. On the other hand, stance detection…

计算与语言 · 计算机科学 2017-08-01 Dilek Küçük

The abundance of multimodal data (e.g. social media posts) has inspired interest in cross-modal retrieval methods. Popular approaches rely on a variety of metric learning losses, which prescribe what the proximity of image and text should…

计算机视觉与模式识别 · 计算机科学 2020-09-24 Christopher Thomas , Adriana Kovashka

Recent progress in language model pre-training has led to important improvements in Named Entity Recognition (NER). Nonetheless, this progress has been mainly tested in well-formatted documents such as news, Wikipedia, or scientific…

计算与语言 · 计算机科学 2022-11-16 Asahi Ushio , Leonardo Neves , Vitor Silva , Francesco Barbieri , Jose Camacho-Collados

The state-of-the-art named entity recognition (NER) systems are statistical machine learning models that have strong generalization capability (i.e., can recognize unseen entities that do not appear in training data) based on lexical and…

计算与语言 · 计算机科学 2019-11-04 Jian Ni , Radu Florian

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

Although named entity recognition (NER) helps us to extract domain-specific entities from text (e.g., artists in the music domain), it is costly to create a large amount of training data or a structured knowledge base to perform accurate…

计算与语言 · 计算机科学 2023-06-07 Kosuke Nishida , Naoki Yoshinaga , Kyosuke Nishida

Named entity recognition (NER) is a vital task in spoken language understanding, which aims to identify mentions of named entities in text e.g., from transcribed speech. Existing neural models for NER rely mostly on dedicated word-level…

计算与语言 · 计算机科学 2019-09-24 Abdalghani Abujabal , Judith Gaspers

Grounded Multimodal Named Entity Recognition (GMNER) aims to extract named entities and localize their visual regions within image-text pairs, serving as a pivotal capability for various downstream applications. In open-world social media…

信息检索 · 计算机科学 2026-04-23 Jielong Tang , Xujie Yuan , Jiayang Liu , Jianxing Yu , Xiao Dong , Lin Chen , Yunlai Teng , Shimin Di , Jian Yin

Recognizing named entities in a document is a key task in many NLP applications. Although current state-of-the-art approaches to this task reach a high performance on clean text (e.g. newswire genres), those algorithms dramatically degrade…

计算与语言 · 计算机科学 2019-06-11 Gustavo Aguilar , A. Pastor López-Monroy , Fabio A. González , Thamar Solorio

As a fundamental natural language processing task and one of core knowledge extraction techniques, named entity recognition (NER) is widely used to extract information from texts for downstream tasks. Nested NER is a branch of NER in which…

计算与语言 · 计算机科学 2022-04-19 Yifei Yang , Zuchao Li , Hai Zhao

Previous studies have shown that linguistic features of a word such as possession, genitive or other grammatical cases can be employed in word representations of a named entity recognition (NER) tagger to improve the performance for…

计算与语言 · 计算机科学 2019-11-12 Onur Güngör , Suzan Üsküdarlı , Tunga Güngör

For languages with no annotated resources, transferring knowledge from rich-resource languages is an effective solution for named entity recognition (NER). While all existing methods directly transfer from source-learned model to a target…

计算与语言 · 计算机科学 2020-07-16 Qianhui Wu , Zijia Lin , Guoxin Wang , Hui Chen , Börje F. Karlsson , Biqing Huang , Chin-Yew Lin

StackOverflow, with its vast question repository and limited labeled examples, raise an annotation challenge for us. We address this gap by proposing RoBERTa+MAML, a few-shot named entity recognition (NER) method leveraging meta-learning.…

计算与语言 · 计算机科学 2024-04-30 Xinwei Chen , Kun Li , Tianyou Song , Jiangjian Guo

Recently, due to the increasing popularity of social media, the necessity for extracting information from informal text types, such as microblog texts, has gained significant attention. In this study, we focused on the Named Entity…

计算与语言 · 计算机科学 2018-10-23 Eda Okur , Hakan Demir , Arzucan Özgür

Grounded Multimodal Named Entity Recognition (GMNER) aims to extract text-based entities, assign them semantic categories, and ground them to corresponding visual regions. In this work, we explore the potential of Multimodal Large Language…

计算与语言 · 计算机科学 2026-02-05 Jinlong Ma , Yu Zhang , Xuefeng Bai , Kehai Chen , Yuwei Wang , Zeming Liu , Jun Yu , Min Zhang

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

Many learning tasks involve multi-modal data streams, where continuous data from different modes convey a comprehensive description about objects. A major challenge in this context is how to efficiently interpret multi-modal information in…

机器学习 · 计算机科学 2020-07-24 Amila Silva , Shanika Karunasekera , Christopher Leckie , Ling Luo

The task of named entity recognition (NER) is normally divided into nested NER and flat NER depending on whether named entities are nested or not. Models are usually separately developed for the two tasks, since sequence labeling models,…

计算与语言 · 计算机科学 2022-11-23 Xiaoya Li , Jingrong Feng , Yuxian Meng , Qinghong Han , Fei Wu , Jiwei Li