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In the legal domain it is important to differentiate between words in general, and afterwards to link the occurrences of the same entities. The topic to solve these challenges is called Named-Entity Linking (NEL). Current supervised neural…

机器学习 · 计算机科学 2018-10-17 Ahmed Elnaggar , Robin Otto , Florian Matthes

Named entity recognition (NER) is one of the best studied tasks in natural language processing. However, most approaches are not capable of handling nested structures which are common in many applications. In this paper we introduce a novel…

计算与语言 · 计算机科学 2019-08-12 Joseph Fisher , Andreas Vlachos

Graph matching can be formalized as a combinatorial optimization problem, where there are corresponding relationships between pairs of nodes that can be represented as edges. This problem becomes challenging when there are potential…

计算机视觉与模式识别 · 计算机科学 2023-01-06 Dongdong Chen , Yuxing Dai , Lichi Zhang , Zhihong Zhang

With the advances of data-driven machine learning research, a wide variety of prediction problems have been tackled. It has become critical to explore how machine learning and specifically deep learning methods can be exploited to analyse…

机器学习 · 计算机科学 2021-11-09 David Ahmedt-Aristizabal , Mohammad Ali Armin , Simon Denman , Clinton Fookes , Lars Petersson

Prediction of node and graph labels are prominent network science tasks. Data analyzed in these tasks are sometimes related: entities represented by nodes in a higher-level (higher-scale) network can themselves be modeled as networks at a…

分子网络 · 定量生物学 2021-05-27 Shawn Gu , Meng Jiang , Pietro Hiram Guzzi , Tijana Milenkovic

Embedding static graphs in low-dimensional vector spaces plays a key role in network analytics and inference, supporting applications like node classification, link prediction, and graph visualization. However, many real-world networks…

机器学习 · 计算机科学 2021-07-23 Claudio D. T. Barros , Matheus R. F. Mendonça , Alex B. Vieira , Artur Ziviani

Large Language Models (LLMs) have shown strong capabilities in solving problems across domains, including graph-related tasks traditionally addressed by symbolic or algorithmic methods. In this work, we present a framework for structured…

人工智能 · 计算机科学 2025-09-03 Govind Waghmare , Sumedh BG , Sonia Gupta , Srikanta Bedathur

Previous cross-lingual knowledge graph (KG) alignment studies rely on entity embeddings derived only from monolingual KG structural information, which may fail at matching entities that have different facts in two KGs. In this paper, we…

机器学习 · 计算机科学 2019-07-31 Kun Xu , Liwei Wang , Mo Yu , Yansong Feng , Yan Song , Zhiguo Wang , Dong Yu

Predictive monitoring of business processes is a subfield of process mining that aims to predict, among other things, the characteristics of the next event or the sequence of next events. Although multiple approaches based on deep learning…

机器学习 · 计算机科学 2021-12-24 Efrén Rama-Maneiro , Juan C. Vidal , Manuel Lama

Recently, with the continuous development of deep learning, the performance of named entity recognition tasks has been dramatically improved. However, the privacy and the confidentiality of data in some specific fields, such as biomedical…

密码学与安全 · 计算机科学 2022-09-01 Kaifang Long , Jikun Dong , Shengyu Fan , Yanfang Geng , Yang Cao , Han Zhao , Hui Yu , Weizhi Xu

As an efficient model for knowledge organization, the knowledge graph has been widely adopted in several fields, e.g., biomedicine, sociology, and education. And there is a steady trend of learning embedding representations of knowledge…

计算与语言 · 计算机科学 2024-04-01 Siyu Yao , Ruijie Wang , Shen Sun , Derui Bu , Jun Liu

Entity embeddings, which represent different aspects of each entity with a single vector like word embeddings, are a key component of neural entity linking models. Existing entity embeddings are learned from canonical Wikipedia articles and…

计算与语言 · 计算机科学 2021-06-17 Feng Hou , Ruili Wang , Jun He , Yi Zhou

Knowledge graph completion aims to predict the new links in given entities among the knowledge graph (KG). Most mainstream embedding methods focus on fact triplets contained in the given KG, however, ignoring the rich background information…

人工智能 · 计算机科学 2020-10-13 Zhaochong An , Bozhou Chen , Houde Quan , Qihui Lin , Hongzhi Wang

Knowledge graphs enable a wide variety of applications, including question answering and information retrieval. Despite the great effort invested in their creation and maintenance, even the largest (e.g., Yago, DBPedia or Wikidata) remain…

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

Large-scale digital platforms generate billions of timestamped user-item interactions (events) that are crucial for predicting user attributes in, e.g., fraud prevention and recommendations. While self-supervised learning (SSL) effectively…

Artificial Intelligence (AI) and Machine Learning have enormous potential to transform businesses and disrupt entire industry sectors. However, companies wishing to integrate algorithmic decisions into their face multiple challenges: They…

计算机与社会 · 计算机科学 2020-09-24 U. Kerzel

Embedding entities and relations into a continuous multi-dimensional vector space have become the dominant method for knowledge graph embedding in representation learning. However, most existing models ignore to represent hierarchical…

人工智能 · 计算机科学 2019-09-12 Cunxiang Wang , Feiliang Ren , Zhichao Lin , Chenxv Zhao , Tian Xie , Yue Zhang

Knowledge graph embedding has been an active research topic for knowledge base completion (KGC), with progressive improvement from the initial TransE, TransH, RotatE et al to the current state-of-the-art QuatE. However, QuatE ignores the…

计算与语言 · 计算机科学 2021-06-17 Haipeng Gao , Kun Yang , Yuxue Yang , Rufai Yusuf Zakari , Jim Wilson Owusu , Ke Qin

Recent work on knowledge graph completion (KGC) focused on learning embeddings of entities and relations in knowledge graphs. These embedding methods require that all test entities are observed at training time, resulting in a…

信息检索 · 计算机科学 2023-09-06 Zihan Wang , Kai Zhao , Yongquan He , Zhumin Chen , Pengjie Ren , Maarten de Rijke , Zhaochun Ren