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Event extraction is challenging due to the complex structure of event records and the semantic gap between text and event. Traditional methods usually extract event records by decomposing the complex structure prediction task into multiple…

Computation and Language · Computer Science 2021-06-18 Yaojie Lu , Hongyu Lin , Jin Xu , Xianpei Han , Jialong Tang , Annan Li , Le Sun , Meng Liao , Shaoyi Chen

The importance of systems that can extract structured information from textual data becomes increasingly pronounced given the ever-increasing volume of text produced on a daily basis. Having a system that can effectively extract such…

Computation and Language · Computer Science 2023-11-27 Hugo Sousa , Nuno Guimarães , Alípio Jorge , Ricardo Campos

Most of the Natural Language Processing systems are involved in entity-based processing for several tasks like Information Extraction, Question-Answering, Text-Summarization and so on. A new challenge comes when entities play roles…

Computation and Language · Computer Science 2025-11-11 Neelesh Kumar Shukla , Sanasam Ranbir Singh

In this paper, we present an end-to-end joint entity and relation extraction approach based on transformer-based language models. We apply the model to the task of linking mathematical symbols to their descriptions in LaTeX documents. In…

Computation and Language · Computer Science 2022-05-05 Nicholas Popovic , Walter Laurito , Michael Färber

Adverse reaction caused by drugs is a potentially dangerous problem which may lead to mortality and morbidity in patients. Adverse Drug Event (ADE) extraction is a significant problem in biomedical research. We model ADE extraction as a…

Computation and Language · Computer Science 2018-01-03 Suriyadeepan Ramamoorthy , Selvakumar Murugan

Extracting high-quality structured information from scientific literature is crucial for advancing material design through data-driven methods. Despite the considerable research in natural language processing for dataset extraction,…

Computation and Language · Computer Science 2025-03-11 Mengzhe Hei , Zhouran Zhang , Qingbao Liu , Yan Pan , Xiang Zhao , Yongqian Peng , Yicong Ye , Xin Zhang , Shuxin Bai

Learning a high-dimensional dense representation for vocabulary terms, also known as a word embedding, has recently attracted much attention in natural language processing and information retrieval tasks. The embedding vectors are typically…

Information Retrieval · Computer Science 2017-07-18 Hamed Zamani , W. Bruce Croft

Event detection (ED), aiming to detect events from texts and categorize them, is vital to understanding actual happenings in real life. However, mainstream event detection models require high-quality expert human annotations of triggers,…

Computation and Language · Computer Science 2022-08-23 Jiachen Zhao , Haiqin Yang

Inspirational quotes from famous individuals are often used to convey thoughts in news articles, essays, and everyday conversations. In this paper, we propose a novel context-based quote extraction system that aims to extract the most…

Computation and Language · Computer Science 2025-02-18 Sayantan Adak , Animesh Mukherjee

To provide a survey on the existing tasks and models in Machine Reading Comprehension (MRC), this report reviews: 1) the dataset collection and performance evaluation of some representative simple-reasoning and complex-reasoning MRC tasks;…

Computation and Language · Computer Science 2020-01-24 Chao Wang

Multimodal relation extraction (MRE) is the task of identifying the semantic relationships between two entities based on the context of the sentence image pair. Existing retrieval-augmented approaches mainly focused on modeling the…

Computation and Language · Computer Science 2023-05-26 Xuming Hu , Zhijiang Guo , Zhiyang Teng , Irwin King , Philip S. Yu

We present a joint model for entity-level relation extraction from documents. In contrast to other approaches - which focus on local intra-sentence mention pairs and thus require annotations on mention level - our model operates on entity…

Computation and Language · Computer Science 2021-12-06 Markus Eberts , Adrian Ulges

Existing text representations such as embeddings and bag-of-words are not suitable for rule learning due to their high dimensionality and absent or questionable feature-level interpretability. This article explores whether large language…

Machine Learning · Computer Science 2025-10-02 Vojtěch Balek , Lukáš Sýkora , Vilém Sklenák , Tomáš Kliegr

Joint entity-relation extraction is a critical task in transforming unstructured or semi-structured text into triplets, facilitating the construction of large-scale knowledge graphs, and supporting various downstream applications. Despite…

Computation and Language · Computer Science 2025-02-14 Danni Feng , Runzhi Li , Jing Wang , Siyu Yan , Lihong Ma , Yunli Xing

More tasks in Machine Reading Comprehension(MRC) require, in addition to answer prediction, the extraction of evidence sentences that support the answer. However, the annotation of supporting evidence sentences is usually time-consuming and…

Computation and Language · Computer Science 2022-10-25 Suzhe He , Shumin Shi , Chenghao Wu

Document-level relation extraction aims to extract relations among multiple entity pairs from a document. Previously proposed graph-based or transformer-based models utilize the entities independently, regardless of global information among…

Computation and Language · Computer Science 2023-01-27 Ningyu Zhang , Xiang Chen , Xin Xie , Shumin Deng , Chuanqi Tan , Mosha Chen , Fei Huang , Luo Si , Huajun Chen

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

Following the recent progress in image classification and captioning using deep learning, we develop a novel natural language person retrieval system based on an attention mechanism. More specifically, given the description of a person, the…

Computer Vision and Pattern Recognition · Computer Science 2017-05-26 Tao Zhou , Muhao Chen , Jie Yu , Demetri Terzopoulos

Due to the exponential growth of biomedical literature, event and relation extraction are important tasks in biomedical text mining. Most work only focus on relation extraction, and detect a single entity pair mention on a short span of…

Computation and Language · Computer Science 2020-05-08 Elaheh ShafieiBavani , Antonio Jimeno Yepes , Xu Zhong , David Martinez Iraola

Entity resolution is a widely studied problem with several proposals to match records across relations. Matching textual content is a widespread task in many applications, such as question answering and search. While recent methods achieve…

Databases · Computer Science 2021-12-17 Naser Ahmadi , Hansjorg Sand , Paolo Papotti