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Graph representation learning has emerged as a powerful tool for preserving graph topology when mapping nodes to vector representations, enabling various downstream tasks such as node classification and community detection. However, most…

机器学习 · 计算机科学 2025-03-21 Kaizhe Fan , Quanjun Li

Named Entity Recognition seeks to extract substrings within a text that name real-world objects and to determine their type (for example, whether they refer to persons or organizations). In this survey, we first present an overview of…

计算与语言 · 计算机科学 2024-12-23 Imed Keraghel , Stanislas Morbieu , Mohamed Nadif

Named Entity Recognition (NER) is the task of identifying and classifying named entities in unstructured text. In the legal domain, named entities of interest may include the case parties, judges, names of courts, case numbers, references…

计算与语言 · 计算机科学 2020-12-21 Stavroula Skylaki , Ali Oskooei , Omar Bari , Nadja Herger , Zac Kriegman

Named entity recognition (NER) models generally perform poorly when large training datasets are unavailable for low-resource domains. Recently, pre-training a large-scale language model has become a promising direction for coping with the…

计算与语言 · 计算机科学 2021-12-02 Zihan Liu , Feijun Jiang , Yuxiang Hu , Chen Shi , Pascale Fung

Traditional Graph Neural Network (GNN), as a graph representation learning method, is constrained by label information. However, Graph Contrastive Learning (GCL) methods, which tackle the label problem effectively, mainly focus on the…

机器学习 · 计算机科学 2023-08-08 Kai Yang , Yuan Liu , Zijuan Zhao , Peijin Ding , Wenqian Zhao

Grounded Multimodal Named Entity Recognition (GMNER) task aims to identify named entities, entity types and their corresponding visual regions. GMNER task exhibits two challenging attributes: 1) The tenuous correlation between images and…

多媒体 · 计算机科学 2025-09-03 Jinyuan Li , Ziyan Li , Han Li , Jianfei Yu , Rui Xia , Di Sun , Gang Pan

Post-training has split large language model (LLM) alignment into two largely disconnected tracks. Online reinforcement learning (RL) with verifiable rewards drives emergent reasoning on math and code but depends on a programmatic verifier…

The task of entity linking, which involves associating mentions with their respective entities in a knowledge graph, has received significant attention due to its numerous potential applications. Recently, various multimodal entity linking…

计算与语言 · 计算机科学 2025-10-06 KM Pooja , Cheng Long , Aixin Sun

Named Entity Recognition (NER) is a key step in the creation of structured data from digitised historical documents. Traditional NER approaches deal with flat named entities, whereas entities often are nested. For example, a postal address…

信息检索 · 计算机科学 2023-02-22 Solenn Tual , Nathalie Abadie , J Chazalon , Bertrand Duménieu , Edwin Carlinet

Named entity recognition (NER) task aims at identifying entities from a piece of text that belong to predefined semantic types such as person, location, organization, etc. The state-of-the-art solutions for flat entities NER commonly suffer…

计算与语言 · 计算机科学 2022-08-08 Jianlin Su , Ahmed Murtadha , Shengfeng Pan , Jing Hou , Jun Sun , Wanwei Huang , Bo Wen , Yunfeng Liu

Graph representation learning (GRL) is to encode graph elements into informative vector representations, which can be used in downstream tasks for analyzing graph-structured data and has seen extensive applications in various domains.…

机器学习 · 计算机科学 2024-06-21 Hewen Wang , Renchi Yang , Xiaokui Xiao

Named entity recognition (NER) is the task to identify mentions of rigid designators from text belonging to predefined semantic types such as person, location, organization etc. NER always serves as the foundation for many natural language…

计算与语言 · 计算机科学 2023-04-26 Jing Li , Aixin Sun , Jianglei Han , Chenliang Li

Over the past few years, graph representation learning (GRL) has been a powerful strategy for analyzing graph-structured data. Recently, GRL methods have shown promising results by adopting self-supervised learning methods developed for…

机器学习 · 计算机科学 2022-09-05 Namkyeong Lee , Dongmin Hyun , Junseok Lee , Chanyoung Park

Nested named entity recognition (NER) has been receiving increasing attention. Recently, (Fu et al, 2021) adapt a span-based constituency parser to tackle nested NER. They treat nested entities as partially-observed constituency trees and…

计算与语言 · 计算机科学 2022-03-10 Chao Lou , Songlin Yang , Kewei Tu

The objective of unsupervised graph representation learning (GRL) is to learn a low-dimensional space of node embeddings that reflect the structure of a given unlabeled graph. Existing algorithms for this task rely on negative sampling…

机器学习 · 计算机科学 2021-01-22 M. Maruf , Anuj Karpatne

Ever-larger language models with ever-increasing capabilities are by now well-established text processing tools. Alas, information extraction tasks such as named entity recognition are still largely unaffected by this progress as they are…

计算与语言 · 计算机科学 2023-08-16 Tobias Deußer , Lars Hillebrand , Christian Bauckhage , Rafet Sifa

Named entity recognition (NER) aims to identify mentions of named entities in an unstructured text and classify them into predefined named entity classes. While deep learning-based pre-trained language models help to achieve good predictive…

计算与语言 · 计算机科学 2023-06-16 Ali Osman Berk Sapci , Oznur Tastan , Reyyan Yeniterzi

Traditional information retrieval treats named entity recognition as a pre-indexing corpus annotation task, allowing entity tags to be indexed and used during search. Named entity taggers themselves are typically trained on thousands or…

信息检索 · 计算机科学 2018-06-14 John Foley , Sheikh Muhammad Sarwar , James Allan

In this work, we explore the way to perform named entity recognition (NER) using only unlabeled data and named entity dictionaries. To this end, we formulate the task as a positive-unlabeled (PU) learning problem and accordingly propose a…

计算与语言 · 计算机科学 2019-06-12 Minlong Peng , Xiaoyu Xing , Qi Zhang , Jinlan Fu , Xuanjing Huang

Reinforcement Learning (RL) has achieved impressive performance in many complex environments due to the integration with Deep Neural Networks (DNNs). At the same time, Genetic Algorithms (GAs), often seen as a competing approach to RL, had…

机器学习 · 计算机科学 2020-07-08 Cristian Bodnar , Ben Day , Pietro Lió