English
Related papers

Related papers: Deep Reinforcement Learning for Entity Alignment

200 papers

Entity alignment seeks to find entities in different knowledge graphs (KGs) that refer to the same real-world object. Recent advancement in KG embedding impels the advent of embedding-based entity alignment, which encodes entities in a…

Computation and Language · Computer Science 2020-07-21 Zequn Sun , Qingheng Zhang , Wei Hu , Chengming Wang , Muhao Chen , Farahnaz Akrami , Chengkai Li

Meta-reinforcement learning (RL) addresses the problem of sample inefficiency in deep RL by using experience obtained in past tasks for a new task to be solved. However, most meta-RL methods require partially or fully on-policy data, i.e.,…

Artificial Intelligence · Computer Science 2021-01-07 Takahisa Imagawa , Takuya Hiraoka , Yoshimasa Tsuruoka

Entity alignment (EA) aims at building a unified Knowledge Graph (KG) of rich content by linking the equivalent entities from various KGs. GNN-based EA methods present promising performances by modeling the KG structure defined by relation…

Computation and Language · Computer Science 2021-01-05 Zhiyuan Liu , Yixin Cao , Liangming Pan , Juanzi Li , Zhiyuan Liu , Tat-Seng Chua

Entity alignment (EA) is to discover equivalent entities in knowledge graphs (KGs), which bridges heterogeneous sources of information and facilitates the integration of knowledge. Existing EA solutions mainly rely on structural information…

Artificial Intelligence · Computer Science 2020-05-26 Weixin Zeng , Xiang Zhao , Wei Wang , Jiuyang Tang , Zhen Tan

Entity Alignment (EA), which aims to detect entity mappings (i.e. equivalent entity pairs) in different Knowledge Graphs (KGs), is critical for KG fusion. Neural EA methods dominate current EA research but still suffer from their reliance…

Computation and Language · Computer Science 2022-11-30 Bing Liu , Tiancheng Lan , Wen Hua , Guido Zuccon

Entity linking (EL) is the process of linking entity mentions appearing in web text with their corresponding entities in a knowledge base. EL plays an important role in the fields of knowledge engineering and data mining, underlying a…

Computation and Language · Computer Science 2021-09-28 Wei Shen , Yuhan Li , Yinan Liu , Jiawei Han , Jianyong Wang , Xiaojie Yuan

Entity alignment (EA) which links equivalent entities across different knowledge graphs (KGs) plays a crucial role in knowledge fusion. In recent years, graph neural networks (GNNs) have been successfully applied in many embedding-based EA…

Computation and Language · Computer Science 2023-05-01 Feng Xie , Xiang Zeng , Bin Zhou , Yusong Tan

Embodied agents, such as robots and virtual characters, must continuously select actions to execute tasks effectively, solving complex sequential decision-making problems. Given the difficulty of designing such controllers manually,…

Robotics · Computer Science 2026-05-18 Pedro Santana

Entity Alignment (EA) aims to match equivalent entities across different Knowledge Graphs (KGs) and is an essential step of KG fusion. Current mainstream methods -- neural EA models -- rely on training with seed alignment, i.e., a set of…

Computation and Language · Computer Science 2021-10-14 Bing Liu , Harrisen Scells , Guido Zuccon , Wen Hua , Genghong Zhao

Reinforcement learning (RL) studies how an agent comes to achieve reward in an environment through interactions over time. Recent advances in machine RL have surpassed human expertise at the world's oldest board games and many classic video…

Artificial Intelligence · Computer Science 2021-07-28 Pedro A. Tsividis , Joao Loula , Jake Burga , Nathan Foss , Andres Campero , Thomas Pouncy , Samuel J. Gershman , Joshua B. Tenenbaum

We present an information-theoretic framework to learn fixed-dimensional embeddings for tasks in reinforcement learning. We leverage the idea that two tasks are similar if observing an agent's performance on one task reduces our uncertainty…

Machine Learning · Computer Science 2024-05-10 Mridul Mahajan , Georgios Tzannetos , Goran Radanovic , Adish Singla

Entity alignment (EA) is the task to discover entities referring to the same real-world object from different knowledge graphs (KGs), which is the most crucial step in integrating multi-source KGs. The majority of the existing…

Computation and Language · Computer Science 2021-03-02 Renbo Zhu , Meng Ma , Ping Wang

We develop a portfolio allocation framework that leverages deep learning techniques to address challenges arising from high-dimensional, non-stationary, and low-signal-to-noise market information. Our approach includes a dynamic embedding…

Portfolio Management · Quantitative Finance 2025-01-31 Jinghai He , Cheng Hua , Chunyang Zhou , Zeyu Zheng

Recent embedding-based methods have achieved great successes in exploiting entity alignment from knowledge graph (KG) embeddings of multiple modalities. In this paper, we study embedding-based entity alignment (EEA) from a perspective of…

Computation and Language · Computer Science 2024-02-27 Lingbing Guo , Zhuo Chen , Jiaoyan Chen , Yin Fang , Wen Zhang , Huajun Chen

Entity Alignment (EA) is to link potential equivalent entities across different knowledge graphs (KGs). Most existing EA methods are supervised as they require the supervision of seed alignments, i.e., manually specified aligned entity…

Artificial Intelligence · Computer Science 2025-09-24 Yaming Yang , Zhe Wang , Ziyu Guan , Wei Zhao , Xinyan Huang , Xiaofei He

While reinforcement learning has achieved considerable successes in recent years, state-of-the-art models are often still limited by the size of state and action spaces. Model-free reinforcement learning approaches use some form of state…

Machine Learning · Computer Science 2021-08-23 Paul J. Pritz , Liang Ma , Kin K. Leung

Recently, deep reinforcement learning (RL) methods have been applied successfully to multi-agent scenarios. Typically, these methods rely on a concatenation of agent states to represent the information content required for decentralized…

Multiagent Systems · Computer Science 2019-06-07 Maximilian Hüttenrauch , Adrian Šošić , Gerhard Neumann

Many real-world applications require an agent to make robust and deliberate decisions with multimodal information (e.g., robots with multi-sensory inputs). However, it is very challenging to train the agent via reinforcement learning (RL)…

Machine Learning · Computer Science 2023-02-21 Jinming Ma , Feng Wu , Yingfeng Chen , Xianpeng Ji , Yu Ding

This paper explores entity embedding effectiveness in ad-hoc entity retrieval, which introduces distributed representation of entities into entity retrieval. The knowledge graph contains lots of knowledge and models entity semantic…

Information Retrieval · Computer Science 2019-08-29 Zhenghao Liu , Chenyan Xiong , Maosong Sun , Zhiyuan Liu

Evolutionary algorithms (EA), a class of stochastic search methods based on the principles of natural evolution, have received widespread acclaim for their exceptional performance in various real-world optimization problems. While…

Neural and Evolutionary Computing · Computer Science 2024-01-30 Yanjie Song , Yutong Wu , Yangyang Guo , Ran Yan , P. N. Suganthan , Yue Zhang , Witold Pedrycz , Swagatam Das , Rammohan Mallipeddi , Oladayo Solomon Ajani. Qiang Feng