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Previous work on clinical relation extraction from free-text sentences leveraged information about semantic types from clinical knowledge bases as a part of entity representations. In this paper, we exploit additional evidence by also…

Computation and Language · Computer Science 2025-03-10 Linh Le , Guido Zuccon , Gianluca Demartini , Genghong Zhao , Xia Zhang

This paper is devoted to the study of methods for information extraction (entity recognition and relation classification) from scientific texts on information technology. Scientific publications provide valuable information into…

Computation and Language · Computer Science 2020-12-29 Elena Bruches , Alexey Pauls , Tatiana Batura , Vladimir Isachenko

Compared with traditional sentence-level relation extraction, document-level relation extraction is a more challenging task where an entity in a document may be mentioned multiple times and associated with multiple relations. However, most…

Computation and Language · Computer Science 2022-05-31 Jiaxin Yu , Deqing Yang , Shuyu Tian

Driven by the demand for cross-sentence and large-scale relation extraction, document-level relation extraction (DocRE) has attracted increasing research interest. Despite the continuous improvement in performance, we find that existing…

Computation and Language · Computer Science 2024-06-12 Shiao Meng , Xuming Hu , Aiwei Liu , Fukun Ma , Yawen Yang , Shuang Li , Lijie Wen

Entity relationship extraction envisions the automatic generation of semantic data models from collections of text, by automatic recognition of entities, by association of entities to form relationships, and by classifying these instances…

Information Retrieval · Computer Science 2022-01-17 Michael Kaufmann

In practical scenario, relation extraction needs to first identify entity pairs that have relation and then assign a correct relation class. However, the number of non-relation entity pairs in context (negative instances) usually far…

Computation and Language · Computer Science 2019-06-24 Wei Ye , Bo Li , Rui Xie , Zhonghao Sheng , Long Chen , Shikun Zhang

Document-level relation extraction aims to discover relations between entities across a whole document. How to build the dependency of entities from different sentences in a document remains to be a great challenge. Current approaches…

Computation and Language · Computer Science 2021-03-16 Jiaxin Pan , Min Peng , Yiyan Zhang

This paper explores learning rich self-supervised entity representations from large amounts of the associated text. Once pre-trained, these models become applicable to multiple entity-centric tasks such as ranked retrieval, knowledge base…

Computation and Language · Computer Science 2021-03-01 Yury Zemlyanskiy , Sudeep Gandhe , Ruining He , Bhargav Kanagal , Anirudh Ravula , Juraj Gottweis , Fei Sha , Ilya Eckstein

Relation extraction is essentially a text classification problem, which can be tackled by fine-tuning a pre-trained language model (LM). However, a key challenge arises from the fact that relation extraction cannot straightforwardly be…

Computation and Language · Computer Science 2024-10-03 Frank Mtumbuka , Steven Schockaert

Dependency tree structures capture long-distance and syntactic relationships between words in a sentence. The syntactic relations (e.g., nominal subject, object) can potentially infer the existence of certain named entities. In addition,…

Computation and Language · Computer Science 2019-09-24 Zhanming Jie , Wei Lu

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

In natural language, often multiple entities appear in the same text. However, most previous works in Relation Extraction (RE) limit the scope to identifying the relation between two entities at a time. Such an approach induces a quadratic…

Computation and Language · Computer Science 2020-10-13 Zhijing Jin , Yongyi Yang , Xipeng Qiu , Zheng Zhang

Entity Linking involves detecting and linking entity mentions in natural language texts to a knowledge graph. Traditional methods use a two-step process with separate models for entity recognition and disambiguation, which can be…

Computation and Language · Computer Science 2025-10-23 Daniel Vollmers , Hamada M. Zahera , Diego Moussallem , Axel-Cyrille Ngonga Ngomo

Relation extraction aims to identify the target relations of entities in texts. Relation extraction is very important for knowledge base construction and text understanding. Traditional binary relation extraction, including supervised,…

Computation and Language · Computer Science 2020-12-10 Haiyun Jiang , Qiaoben Bao , Qiao Cheng , Deqing Yang , Li Wang , Yanghua Xiao

Recent neural models for relation extraction with distant supervision alleviate the impact of irrelevant sentences in a bag by learning importance weights for the sentences. Efforts thus far have focused on improving extraction accuracy but…

Information Retrieval · Computer Science 2020-06-01 Hamed Shahbazi , Xiaoli Z. Fern , Reza Ghaeini , Prasad Tadepalli

Information extraction (IE) for visually-rich documents (VRDs) has achieved SOTA performance recently thanks to the adaptation of Transformer-based language models, which shows the great potential of pre-training methods. In this paper, we…

Artificial Intelligence · Computer Science 2021-07-07 Tuan-Anh D. Nguyen , Hieu M. Vu , Nguyen Hong Son , Minh-Tien Nguyen

Unsupervised relation extraction (URE) extracts relations between named entities from raw text without manually-labelled data and existing knowledge bases (KBs). URE methods can be categorised into generative and discriminative approaches,…

Computation and Language · Computer Science 2020-05-04 Thy Thy Tran , Phong Le , Sophia Ananiadou

Vision-language fine-tuning has emerged as an efficient paradigm for constructing multimodal foundation models. While textual context often highlights semantic relationships within an image, existing fine-tuning methods typically overlook…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Xiangyang Wu , Liu Liu , Baosheng Yu , Jiayan Qiu , Zhenwei Shi

The field of programming has a diversity of paradigms that are used according to the working framework. While current neural code generation methods are able to learn and generate code directly from text, we believe that this approach is…

Computation and Language · Computer Science 2023-07-12 El Mehdi Chouham , Jessica López Espejel , Mahaman Sanoussi Yahaya Alassan , Walid Dahhane , El Hassane Ettifouri

Document structure extraction has been a widely researched area for decades. Recent work in this direction has been deep learning-based, mostly focusing on extracting structure using fully convolution NN through semantic segmentation. In…

Computer Vision and Pattern Recognition · Computer Science 2021-07-12 Milan Aggarwal , Mausoom Sarkar , Hiresh Gupta , Balaji Krishnamurthy
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