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Knowledge graph (KG) embedding techniques use structured relationships between entities to learn low-dimensional representations of entities and relations. The traditional KG embedding techniques (such as TransE and DistMult) estimate these…

机器学习 · 计算机科学 2022-10-17 Saurav Manchanda

Existing approaches for graph neural networks commonly suffer from the oversmoothing issue, regardless of how neighborhoods are aggregated. Most methods also focus on transductive scenarios for fixed graphs, leading to poor generalization…

机器学习 · 计算机科学 2020-06-25 Kyuyong Shin , Wonyoung Shin , Jung-Woo Ha , Sunyoung Kwon

Entity alignment is to find identical entities in different knowledge graphs (KGs) that refer to the same real-world object. Embedding-based entity alignment techniques have been drawing a lot of attention recently because they can help…

计算与语言 · 计算机科学 2022-11-08 Xiaobin Tian , Zequn Sun , Guangyao Li , Wei Hu

Manifold learning now plays a very important role in machine learning and many relevant applications. Although its superior performance in dealing with nonlinear data distribution, data sparsity is always a thorny knot. There are few…

机器学习 · 计算机科学 2019-09-17 Shenglan Liu , Yang Yu , Yang Liu , Hong Qiao , Lin Feng , Jiashi Feng

Knowledge-enhanced pre-trained models for language representation have been shown to be more effective in knowledge base construction tasks (i.e.,~relation extraction) than language models such as BERT. These knowledge-enhanced language…

计算与语言 · 计算机科学 2022-10-25 Jiacheng Li , Yannis Katsis , Tyler Baldwin , Ho-Cheol Kim , Andrew Bartko , Julian McAuley , Chun-Nan Hsu

Learning knowledge graph embedding from an existing knowledge graph is very important to knowledge graph completion. For a fact $(h,r,t)$ with the head entity $h$ having a relation $r$ with the tail entity $t$, the current approaches aim to…

人工智能 · 计算机科学 2019-09-10 Lianbo Ma , Peng Sun , Zhiwei Lin , Hui Wang

We present a novel language representation model enhanced by knowledge called ERNIE (Enhanced Representation through kNowledge IntEgration). Inspired by the masking strategy of BERT, ERNIE is designed to learn language representation…

计算与语言 · 计算机科学 2019-04-22 Yu Sun , Shuohuan Wang , Yukun Li , Shikun Feng , Xuyi Chen , Han Zhang , Xin Tian , Danxiang Zhu , Hao Tian , Hua Wu

In named entity recognition, we often don't have a large in-domain training corpus or a knowledge base with adequate coverage to train a model directly. In this paper, we propose a method where, given training data in a related domain with…

计算与语言 · 计算机科学 2016-11-01 Lizhen Qu , Gabriela Ferraro , Liyuan Zhou , Weiwei Hou , Timothy Baldwin

A knowledge graph (KG) is a data structure which represents entities and relations as the vertices and edges of a directed graph with edge types. KGs are an important primitive in modern machine learning and artificial intelligence.…

人工智能 · 计算机科学 2021-10-20 Michael R. Douglas , Michael Simkin , Omri Ben-Eliezer , Tianqi Wu , Peter Chin , Trung V. Dang , Andrew Wood

This study examines transformer-based models and their effectiveness in named entity recognition tasks. The study investigates data representation strategies, including single, merged, and context, which respectively use one sentence,…

计算与语言 · 计算机科学 2024-06-26 Michał Marcińczuk

In this work we present a Mixture of Task-Aware Experts Network for Machine Reading Comprehension on a relatively small dataset. We particularly focus on the issue of common-sense learning, enforcing the common ground knowledge by…

计算与语言 · 计算机科学 2022-10-05 Anirudha Rayasam , Anusha Kamath , Gabriel Bayomi Tinoco Kalejaiye

Relations amongst entities play a central role in image understanding. Due to the complexity of modeling (subject, predicate, object) relation triplets, it is crucial to develop a method that can not only recognize seen relations, but also…

计算机视觉与模式识别 · 计算机科学 2020-11-19 Zih-Siou Hung , Arun Mallya , Svetlana Lazebnik

We consider a joint information extraction (IE) model, solving named entity recognition, coreference resolution and relation extraction jointly over the whole document. In particular, we study how to inject information from a knowledge base…

计算与语言 · 计算机科学 2021-07-07 Severine Verlinden , Klim Zaporojets , Johannes Deleu , Thomas Demeester , Chris Develder

Knowledge graph completion (KGC) aims to solve the incompleteness of knowledge graphs (KGs) by predicting missing links from known triples, numbers of knowledge graph embedding (KGE) models have been proposed to perform KGC by learning…

人工智能 · 计算机科学 2023-06-14 Jining Wang , Delai Qiu , YouMing Liu , Yining Wang , Chuan Chen , Zibin Zheng , Yuren Zhou

Knowledge graph embedding (KGE) models have been proposed to improve the performance of knowledge graph reasoning. However, there is a general phenomenon in most of KGEs, as the training progresses, the symmetric relations tend to zero…

人工智能 · 计算机科学 2019-05-24 Jinkui Yao , Lianghua Xu

Addressing the incompleteness problem in knowledge graph remains a significant challenge. Current knowledge graph completion methods have their limitations. For example, ComDensE is prone to overfitting and suffers from the degradation with…

信息检索 · 计算机科学 2024-10-10 Chuhong Yang , Bin Li , Nan Wu

News image captioning aims to produce journalistically informative descriptions by combining visual content with contextual cues from associated articles. Despite recent advances, existing methods struggle with three key challenges: (1)…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Xiaoxing You , Qiang Huang , Lingyu Li , Chi Zhang , Xiaopeng Liu , Min Zhang , Jun Yu

Named Entity Disambiguation (NED) refers to the task of resolving multiple named entity mentions in a document to their correct references in a knowledge base (KB) (e.g., Wikipedia). In this paper, we propose a novel embedding method…

计算与语言 · 计算机科学 2016-06-13 Ikuya Yamada , Hiroyuki Shindo , Hideaki Takeda , Yoshiyasu Takefuji

Knowledge graph embedding aims at translating the knowledge graph into numerical representations by transforming the entities and relations into continuous low-dimensional vectors. Recently, many methods [1, 5, 3, 2, 6] have been proposed…

人工智能 · 计算机科学 2017-04-06 Xiao-Fan Niu , Wu-Jun Li

Entities are essential elements of natural language. In this paper, we present methods for learning multi-level representations of entities on three complementary levels: character (character patterns in entity names extracted, e.g., by…

计算与语言 · 计算机科学 2017-01-18 Yadollah Yaghoobzadeh , Hinrich Schütze
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