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相关论文: Improving Few-shot and Zero-shot Entity Linking wi…

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This paper introduces a conceptually simple, scalable, and highly effective BERT-based entity linking model, along with an extensive evaluation of its accuracy-speed trade-off. We present a two-stage zero-shot linking algorithm, where each…

计算与语言 · 计算机科学 2020-09-30 Ledell Wu , Fabio Petroni , Martin Josifoski , Sebastian Riedel , Luke Zettlemoyer

Entity linking aims to link ambiguous mentions to their corresponding entities in a knowledge base, which is significant and fundamental for various downstream applications, e.g., knowledge base completion, question answering, and…

计算与语言 · 计算机科学 2022-07-20 Xiuxing Li , Zhenyu Li , Zhengyan Zhang , Ning Liu , Haitao Yuan , Wei Zhang , Zhiyuan Liu , Jianyong Wang

Entity linking aims to link ambiguous mentions to their corresponding entities in a knowledge base. One of the key challenges comes from insufficient labeled data for specific domains. Although dense retrievers have achieved excellent…

计算与语言 · 计算机科学 2023-10-20 Yulin Chen , Zhenran Xu , Baotian Hu , Min Zhang

Few-shot named entity recognition (NER) aims to recognize novel named entities in low-resource domains utilizing existing knowledge. However, the present few-shot NER models assume that the labeled data are all clean without noise or…

计算与语言 · 计算机科学 2023-12-14 Xiaojun Xue , Chunxia Zhang , Tianxiang Xu , Zhendong Niu

Entity Linking (EL) seeks to align entity mentions in text to entries in a knowledge-base and is usually comprised of two phases: candidate generation and candidate ranking. While most methods focus on the latter, it is the candidate…

计算与语言 · 计算机科学 2021-03-09 Eleni Partalidou , Despina Christou , Grigorios Tsoumakas

A recent advancement in the domain of biomedical Entity Linking is the development of powerful two-stage algorithms, an initial candidate retrieval stage that generates a shortlist of entities for each mention, followed by a candidate…

机器学习 · 计算机科学 2023-02-01 Maciej Wiatrak , Eirini Arvaniti , Angus Brayne , Jonas Vetterle , Aaron Sim

Fine-grained few-shot entity extraction in the chemical domain faces two unique challenges. First, compared with entity extraction tasks in the general domain, sentences from chemical papers usually contain more entities. Moreover, entity…

计算与语言 · 计算机科学 2024-05-31 Qingyun Wang , Zixuan Zhang , Hongxiang Li , Xuan Liu , Jiawei Han , Huimin Zhao , Heng Ji

We introduce ReFinED, an efficient end-to-end entity linking model which uses fine-grained entity types and entity descriptions to perform linking. The model performs mention detection, fine-grained entity typing, and entity disambiguation…

计算与语言 · 计算机科学 2022-07-12 Tom Ayoola , Shubhi Tyagi , Joseph Fisher , Christos Christodoulopoulos , Andrea Pierleoni

Few-shot relation extraction (FSRE) is of great importance in long-tail distribution problem, especially in special domain with low-resource data. Most existing FSRE algorithms fail to accurately classify the relations merely based on the…

计算与语言 · 计算机科学 2021-06-07 Shan Yang , Yongfei Zhang , Guanglin Niu , Qinghua Zhao , Shiliang Pu

Zero-shot entity linking (EL) aims at aligning entity mentions to unseen entities to challenge the generalization ability. Previous methods largely focus on the candidate retrieval stage and ignore the essential candidate ranking stage,…

计算与语言 · 计算机科学 2023-10-31 Zhenran Xu , Yulin Chen , Baotian Hu , Min Zhang

Low-shot relation extraction~(RE) aims to recognize novel relations with very few or even no samples, which is critical in real scenario application. Few-shot and zero-shot RE are two representative low-shot RE tasks, which seem to be with…

计算与语言 · 计算机科学 2022-03-24 Fangchao Liu , Hongyu Lin , Xianpei Han , Boxi Cao , Le Sun

Few-shot Continual Relation Extraction is a crucial challenge for enabling AI systems to identify and adapt to evolving relationships in dynamic real-world domains. Traditional memory-based approaches often overfit to limited samples,…

计算与语言 · 计算机科学 2025-03-03 Nguyen Xuan Thanh , Anh Duc Le , Quyen Tran , Thanh-Thien Le , Linh Ngo Van , Thien Huu Nguyen

We present NER Retriever, a zero-shot retrieval framework for ad-hoc Named Entity Retrieval, a variant of Named Entity Recognition (NER), where the types of interest are not provided in advance, and a user-defined type description is used…

信息检索 · 计算机科学 2025-09-05 Or Shachar , Uri Katz , Yoav Goldberg , Oren Glickman

Despite the advantages of their low-resource settings, traditional sparse retrievers depend on exact matching approaches between high-dimensional bag-of-words (BoW) representations of both the queries and the collection. As a result,…

信息检索 · 计算机科学 2024-04-16 Dahlia Shehata

Named Entity Recognition (NER) frequently suffers from the problem of insufficient labeled data, particularly in fine-grained NER scenarios. Although $K$-shot learning techniques can be applied, their performance tends to saturate when the…

计算与语言 · 计算机科学 2023-11-14 Su Ah Lee , Seokjin Oh , Woohwan Jung

Few-shot learning refers to understanding new concepts from only a few examples. We propose an information retrieval-inspired approach for this problem that is motivated by the increased importance of maximally leveraging all the available…

机器学习 · 计算机科学 2017-11-15 Eleni Triantafillou , Richard Zemel , Raquel Urtasun

Entity Linking (EL) is the process of associating ambiguous textual mentions to specific entities in a knowledge base. Traditional EL methods heavily rely on large datasets to enhance their performance, a dependency that becomes problematic…

计算与语言 · 计算机科学 2024-10-11 Xukai Liu , Ye Liu , Kai Zhang , Kehang Wang , Qi Liu , Enhong Chen

Few-shot named entity recognition (NER) aims at identifying named entities based on only few labeled instances. Current few-shot NER methods focus on leveraging existing datasets in the rich-resource domains which might fail in a…

计算与语言 · 计算机科学 2022-10-14 Zeng Yang , Linhai Zhang , Deyu Zhou

Relation Extraction (RE) refers to extracting the relation triples in the input text. Existing neural work based systems for RE rely heavily on manually labeled training data, but there are still a lot of domains where sufficient labeled…

计算与语言 · 计算机科学 2022-08-18 Xukun Luo , Ping Wang

Cross-lingual entity linking maps an entity mention in a source language to its corresponding entry in a structured knowledge base that is in a different (target) language. While previous work relies heavily on bilingual lexical resources…

计算与语言 · 计算机科学 2018-11-13 Shruti Rijhwani , Jiateng Xie , Graham Neubig , Jaime Carbonell
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