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Matching person names across heterogeneous records is a core challenge in entity resolution, especially within linguistically and culturally complex environments. Variations in naming conventions, inconsistent transliteration across…

Computation and Language · Computer Science 2026-05-25 Shivam Chourasia , Hitesh Kapoor , Nilesh Patil

Entity matching (EM) is a critical step in entity resolution (ER). Recently, entity matching based on large language models (LLMs) has shown great promise. However, current LLM-based entity matching approaches typically follow a binary…

Computation and Language · Computer Science 2024-12-13 Tianshu Wang , Xiaoyang Chen , Hongyu Lin , Xuanang Chen , Xianpei Han , Hao Wang , Zhenyu Zeng , Le Sun

Entity Alignment (EA) aims to find equivalent entities between two Knowledge Graphs (KGs). While numerous neural EA models have been devised, they are mainly learned using labelled data only. In this work, we argue that different entities…

Computation and Language · Computer Science 2022-11-30 Bing Liu , Harrisen Scells , Wen Hua , Guido Zuccon , Genghong Zhao , Xia Zhang

In this work, we explore the problem of correctly and efficiently answering complex SPJ queries issued directly on top of dirty data. We introduce QueryER, a framework that seamlessly integrates Entity Resolution into Query Processing.…

Recently, end-to-end (E2E) trained models for question answering over knowledge graphs (KGQA) have delivered promising results using only a weakly supervised dataset. However, these models are trained and evaluated in a setting where…

Computation and Language · Computer Science 2021-09-14 Armin Oliya , Amir Saffari , Priyanka Sen , Tom Ayoola

Entity alignment (EA) aims to identify entities across different knowledge graphs (KGs) that refer to the same real-world object and plays a critical role in knowledge fusion and integration. Traditional EA methods mainly rely on knowledge…

Information Retrieval · Computer Science 2026-04-14 Yixuan Nan , Xixun Lin , Yanmin Shang , Ge Zhang , Zheng Fang , Fang Fang , Yanan Cao

Document-level relation extraction (RE) aims to identify the relations between entities throughout an entire document. It needs complex reasoning skills to synthesize various knowledge such as coreferences and commonsense. Large-scale…

Computation and Language · Computer Science 2022-07-26 Xinyi Wang , Zitao Wang , Weijian Sun , Wei Hu

Knowledge augmentation has significantly enhanced the performance of Large Language Models (LLMs) in knowledge-intensive tasks. However, existing methods typically operate on the simplistic premise that model performance equates with…

Computation and Language · Computer Science 2026-02-16 Hao Chen , Ye He , Yuchun Fan , Yukun Yan , Zhenghao Liu , Qingfu Zhu , Maosong Sun , Wanxiang Che

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…

Databases · Computer Science 2025-06-04 Jiajie Fu , Haitong Tang , Arijit Khan , Sharad Mehrotra , Xiangyu Ke , Yunjun Gao

We propose a new framework for combining entity resolution and query answering in knowledge bases (KBs) with tuple-generating dependencies (tgds) and equality-generating dependencies (egds) as rules. We define the semantics of the KB in…

Databases · Computer Science 2023-10-20 Ronald Fagin , Phokion G. Kolaitis , Domenico Lembo , Lucian Popa , Federico Scafoglieri

Text matching is the task of matching two texts and determining the relationship between them, which has extensive applications in natural language processing tasks such as reading comprehension, and Question-Answering systems. The…

Computation and Language · Computer Science 2023-08-14 Kexin Jiang , Yahui Zhao , Guozhe Jin , Zhenguo Zhang , Rongyi Cui

This study addresses the challenge of ambiguity in knowledge graph question answering (KGQA). While recent KGQA systems have made significant progress, particularly with the integration of large language models (LLMs), they typically assume…

Computation and Language · Computer Science 2025-04-15 Liqiang Wen , Guanming Xiong , Tong Mo , Bing Li , Weiping Li , Wen Zhao

Voice assistants such as Alexa, Siri, and Google Assistant have become increasingly popular worldwide. However, linguistic variations, variability of speech patterns, ambient acoustic conditions, and other such factors are often correlated…

Information Retrieval · Computer Science 2022-03-01 Zhongkai Sun , Sixing Lu , Chengyuan Ma , Xiaohu Liu , Chenlei Guo

Discovering the intended items of user queries from a massive repository of items is one of the main goals of an e-commerce search system. Relevance prediction is essential to the search system since it helps improve performance. When…

Information Retrieval · Computer Science 2023-07-21 Jiong Cai , Yong Jiang , Yue Zhang , Chengyue Jiang , Ke Yu , Jianhui Ji , Rong Xiao , Haihong Tang , Tao Wang , Zhongqiang Huang , Pengjun Xie , Fei Huang , Kewei Tu

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)…

Databases · Computer Science 2026-04-10 Victor Christen , Peter Christen

Modern QA systems entail retrieval-augmented generation (RAG) for accurate and trustworthy responses. However, the inherent gap between user queries and relevant documents hinders precise matching. We introduce QAEncoder, a training-free…

Computation and Language · Computer Science 2025-07-03 Zhengren Wang , Qinhan Yu , Shida Wei , Zhiyu Li , Feiyu Xiong , Xiaoxing Wang , Simin Niu , Hao Liang , Wentao Zhang

Knowledge-based entity prediction (KEP) is a novel task that aims to improve machine perception in autonomous systems. KEP leverages relational knowledge from heterogeneous sources in predicting potentially unrecognized entities. In this…

Artificial Intelligence · Computer Science 2022-06-10 Ruwan Wickramarachchi , Cory Henson , Amit Sheth

Entity Matching (EM) aims at recognizing entity records that denote the same real-world object. Neural EM models learn vector representation of entity descriptions and match entities end-to-end. Though robust, these methods require many…

Computation and Language · Computer Science 2021-06-09 Zijun Yao , Chengjiang Li , Tiansi Dong , Xin Lv , Jifan Yu , Lei Hou , Juanzi Li , Yichi Zhang , Zelin Dai

Entity matching is the problem of identifying which records refer to the same real-world entity. It has been actively researched for decades, and a variety of different approaches have been developed. Even today, it remains a challenging…

Databases · Computer Science 2021-06-02 Nils Barlaug , Jon Atle Gulla

Entity alignment (EA) refers to the task of linking entities in different knowledge graphs (KGs). Existing EA methods rely heavily on structural isomorphism. However, in real-world KGs, aligned entities usually have non-isomorphic…

Computation and Language · Computer Science 2024-11-06 Linyan Yang , Jingwei Cheng , Chuanhao Xu , Xihao Wang , Jiayi Li , Fu Zhang