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Entity resolution (ER) is the process of identifying records that refer to the same entities within one or across multiple databases. Numerous techniques have been developed to tackle ER challenges over the years, with recent emphasis…

数据库 · 计算机科学 2023-11-14 George Papadakis , Nishadi Kirielle , Peter Christen , Themis Palpanas

Entity resolution (ER) is the problem of identifying and merging records that refer to the same real-world entity. In many scenarios, raw records are stored under heterogeneous environment. Specifically, the schemas of records may differ…

数据库 · 计算机科学 2016-11-01 Yiming Lin , Hongzhi Wang , Jianzhong Li , Hong Gao

Entity resolution (ER) is a fundamental task in data integration that enables insights from heterogeneous data sources. The primary challenge of ER lies in classifying record pairs as matches or nonmatches, which in multi-source ER (MS-ER)…

数据库 · 计算机科学 2026-04-10 Victor Christen , Peter Christen

Entity Resolution (ER) aims to identify whether two tuples refer to the same real-world entity and is well-known to be labor-intensive. It is a prerequisite to anomaly detection, as comparing the attribute values of two matched tuples from…

数据库 · 计算机科学 2021-09-03 Congcong Ge , Pengfei Wang , Lu Chen , Xiaoze Liu , Baihua Zheng , Yunjun Gao

Usually considered as a classification problem, entity resolution (ER) can be very challenging on real data due to the prevalence of dirty values. The state-of-the-art solutions for ER were built on a variety of learning models (most…

数据库 · 计算机科学 2019-06-17 Boyi Hou , Qun Chen , Yanyan Wang , Youcef Nafa , Zhanhuai Li

Entity resolution (ER) is the task of identifying different representations of the same real-world entities across databases. It is a key step for knowledge base creation and text mining. Recent adaptation of deep learning methods for ER…

数据库 · 计算机科学 2019-06-20 Jungo Kasai , Kun Qian , Sairam Gurajada , Yunyao Li , Lucian Popa

One of the most important tasks for improving data quality and the reliability of data analytics results is Entity Resolution (ER). ER aims to identify different descriptions that refer to the same real-world entity, and remains a…

Entity resolution (ER), an important and common data cleaning problem, is about detecting data duplicate representations for the same external entities, and merging them into single representations. Relatively recently, declarative rules…

数据库 · 计算机科学 2017-01-19 Zeinab Bahmani , Leopoldo Bertossi , Nikolaos Vasiloglou

Entity resolution (ER) is a key data integration problem. Despite the efforts in 70+ years in all aspects of ER, there is still a high demand for democratizing ER - humans are heavily involved in labeling data, performing feature…

数据库 · 计算机科学 2019-11-20 Muhammad Ebraheem , Saravanan Thirumuruganathan , Shafiq Joty , Mourad Ouzzani , Nan Tang

Entity resolution (ER) is the task of identifying records belonging to the same entity (e.g. individual, group) across one or multiple databases. Ironically, it has multiple names: deduplication and record linkage, among others. In this…

数据库 · 计算机科学 2015-09-15 Matt Barnes

Entity matching (EM) refers to the problem of identifying pairs of data records in one or more relational tables that refer to the same entity in the real world. Supervised machine learning (ML) models currently achieve state-of-the-art…

数据库 · 计算机科学 2022-11-15 Renzhi Wu , Alexander Bendeck , Xu Chu , Yeye He

Entity Resolution (ER) is typically implemented as a batch task that processes all available data before identifying duplicate records. However, applications with time or computational constraints, e.g., those running in the cloud, require…

数据库 · 计算机科学 2025-03-12 Jakub Maciejewski , Konstantinos Nikoletos , George Papadakis , Yannis Velegrakis

Entity Resolution (ER) is a fundamental data quality improvement task that identifies and links records referring to the same real-world entity. Traditional ER approaches often rely on pairwise comparisons, which can be costly in terms of…

数据库 · 计算机科学 2025-06-04 Jiajie Fu , Haitong Tang , Arijit Khan , Sharad Mehrotra , Xiangyu Ke , Yunjun Gao

Entity Matching (EM) is a core data cleaning task, aiming to identify different mentions of the same real-world entity. Active learning is one way to address the challenge of scarce labeled data in practice, by dynamically collecting the…

数据库 · 计算机科学 2020-03-31 Venkata Vamsikrishna Meduri , Lucian Popa , Prithviraj Sen , Mohamed Sarwat

Entity resolution (record linkage, microclustering) systems are notoriously difficult to evaluate. Looking for a needle in a haystack, traditional evaluation methods use sophisticated, application-specific sampling schemes to find matching…

计算与语言 · 计算机科学 2024-04-09 Olivier Binette , Youngsoo Baek , Siddharth Engineer , Christina Jones , Abel Dasylva , Jerome P. Reiter

Entity resolution (ER), an important and common data cleaning problem, is about detecting data duplicate representations for the same external entities, and merging them into single representations. Relatively recently, declarative rules…

数据库 · 计算机科学 2016-02-09 Zeinab Bahmani , Leopoldo Bertossi , Nikolaos Vasiloglou

Entity Resolution (ER) is the task of finding records that refer to the same real-world entities. A common scenario is when entities across two clean sources need to be resolved, which we refer to as Clean-Clean ER. In this paper, we…

数据库 · 计算机科学 2022-03-01 George Papadakis , Vasilis Efthymiou , Emanouil Thanos , Oktie Hassanzadeh

Entity resolution (ER) is the problem of identifying and linking database records that refer to the same real-world entity. Traditional ER methods use batch processing, which becomes impractical with growing data volumes due to high…

Knowledge bases (KBs) store rich yet heterogeneous entities and facts. Entity resolution (ER) aims to identify entities in KBs which refer to the same real-world object. Recent studies have shown significant benefits of involving humans in…

数据库 · 计算机科学 2020-02-24 Jiacheng Huang , Wei Hu , Zhifeng Bao , Yuzhong Qu

Entity Matching (EM), which aims to identify all entity pairs referring to the same real-world entity from relational tables, is one of the most important tasks in real-world data management systems. Due to the labeling process of EM being…

数据库 · 计算机科学 2023-08-07 Xiaocan Zeng , Pengfei Wang , Yuren Mao , Lu Chen , Xiaoze Liu , Yunjun Gao
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