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Document-level Relation Extraction (RE) requires extracting relations expressed within and across sentences. Recent works show that graph-based methods, usually constructing a document-level graph that captures document-aware interactions,…

Computation and Language · Computer Science 2021-06-08 Damai Dai , Jing Ren , Shuang Zeng , Baobao Chang , Zhifang Sui

In document-level relation extraction, entities may appear multiple times in a document, and their relationships can shift from one context to another. Accurate prediction of the relationship between two entities across an entire document…

Computation and Language · Computer Science 2025-08-01 Nilesh , Atul Gupta , Avinash C Panday

Relation extraction from text is an important task for automatic knowledge base population. In this thesis, we first propose a syntax-focused multi-factor attention network model for finding the relation between two entities. Next, we…

Computation and Language · Computer Science 2021-04-06 Tapas Nayak

Word embeddings have gained significant attention as learnable representations of semantic relations between words, and have been shown to improve upon the results of traditional word representations. However, little effort has been devoted…

Information Retrieval · Computer Science 2019-05-23 Gloria Feher , Andreas Spitz , Michael Gertz

Knowledge bases of entities and relations (either constructed manually or automatically) are behind many real world search engines, including those at Yahoo!, Microsoft, and Google. Those knowledge bases can be viewed as graphs with nodes…

Databases · Computer Science 2011-12-01 Lujun Fang , Anish Das Sarma , Cong Yu , Philip Bohannon

Most existing methods determine relation types only after all the entities have been recognized, thus the interaction between relation types and entity mentions is not fully modeled. This paper presents a novel paradigm to deal with…

Computation and Language · Computer Science 2018-11-12 Ryuichi Takanobu , Tianyang Zhang , Jiexi Liu , Minlie Huang

Accurate and efficient entity resolution (ER) is a significant challenge in many data mining and analysis projects requiring integrating and processing massive data collections. It is becoming increasingly important in real-world…

Databases · Computer Science 2021-11-09 Samudra Herath , Matthew Roughan , Gary Glonek

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

Multimodal Relation Extraction is crucial for constructing flexible and realistic knowledge graphs. Recent studies focus on extracting the relation type with entity pairs present in different modalities, such as one entity in the text and…

Information Retrieval · Computer Science 2024-08-19 Lei Hei , Ning An , Tingjing Liao , Qi Ma , Jiaqi Wang , Feiliang Ren

Recognizing entities in texts is a central need in many information-seeking scenarios, and indeed, Named Entity Recognition (NER) is arguably one of the most successful examples of a widely adopted NLP task and corresponding NLP technology.…

Computation and Language · Computer Science 2023-10-24 Uri Katz , Matan Vetzler , Amir DN Cohen , Yoav Goldberg

Document-level relation extraction is a challenging task which requires reasoning over multiple sentences in order to predict relations in a document. In this paper, we pro-pose a joint training frameworkE2GRE(Entity and Evidence Guided…

Computation and Language · Computer Science 2020-08-28 Kevin Huang , Guangtao Wang , Tengyu Ma , Jing Huang

Entity linking methods based on dense retrieval are an efficient and widely used solution in large-scale applications, but they fall short of the performance of generative models, as they are sensitive to the structure of the embedding…

Computation and Language · Computer Science 2023-10-23 Mattia Atzeni , Mikhail Plekhanov , Frédéric A. Dreyer , Nora Kassner , Simone Merello , Louis Martin , Nicola Cancedda

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…

Databases · Computer Science 2020-02-24 Jiacheng Huang , Wei Hu , Zhifeng Bao , Yuzhong Qu

Relation extraction (RE) aims to identify the semantic relations between named entities in text. Recent years have witnessed it raised to the document level, which requires complex reasoning with entities and mentions throughout an entire…

Computation and Language · Computer Science 2020-09-23 Difeng Wang , Wei Hu , Ermei Cao , Weijian Sun

To solve the problem of redundant information and overlapping relations of the entity and relation extraction model, we propose a joint extraction model. This model can directly extract multiple pairs of related entities without generating…

Computation and Language · Computer Science 2020-11-30 Yuanhao Shen , Jungang Han

Usually, entity relation recognition systems either use a pipe-lined model that treats the entity tagging and relation identification as separate tasks or a joint model that simultaneously identifies the relation and entities. This paper…

Computation and Language · Computer Science 2020-09-21 Venkata Sasank Pagolu

Entity disambiguation (ED), which links the mentions of ambiguous entities to their referent entities in a knowledge base, serves as a core component in entity linking (EL). Existing generative approaches demonstrate improved accuracy…

Computation and Language · Computer Science 2024-05-09 Junxiong Wang , Ali Mousavi , Omar Attia , Ronak Pradeep , Saloni Potdar , Alexander M. Rush , Umar Farooq Minhas , Yunyao Li

Existing in-context learning (ICL) methods for relation extraction (RE) often prioritize language similarity over structural similarity, which can lead to overlooking entity relationships. To address this, we propose an AMR-enhanced…

Computation and Language · Computer Science 2025-04-28 Peitao Han , Lis Kanashiro Pereira , Fei Cheng , Wan Jou She , Eiji Aramaki

Entity linking (EL) is the computational process of connecting textual mentions to corresponding entities. Like many areas of natural language processing, the EL field has greatly benefited from deep learning, leading to significant…

Computation and Language · Computer Science 2024-06-26 Dominik Farhan

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