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Large Language Models are now key assistants in human decision-making processes. However, a common note always seems to follow: "LLMs can make mistakes. Be careful with important info." This points to the reality that not all outputs from…

Computation and Language · Computer Science 2025-05-16 Longchao Da , Parth Mitesh Shah , Kuan-Ru Liou , Jiaxing Zhang , Hua Wei

Graph Neural Networks (GNNs) are deep learning models that take graph data as inputs, and they are applied to various tasks such as traffic prediction and molecular property prediction. However, owing to the complexity of the GNNs, it has…

Machine Learning · Computer Science 2021-11-02 Tetsu Kasanishi , Xueting Wang , Toshihiko Yamasaki

Recommender systems (RSs) are designed to retrieve candidate items a user might be interested in from a large pool. A common approach is using graph neural networks (GNNs) to capture high-order interaction relationships. As large language…

Information Retrieval · Computer Science 2025-06-24 Junze Chen , Xinjie Yang , Cheng Yang , Junfei Bao , Zeyuan Guo , Yawen Li , Chuan Shi

This paper investigates the Relation Extraction task in documents by benchmarking two different neural network models: a multi-modal language model (LayoutXLM) and a Graph Neural Network: Edge Convolution Network (ECN). For this benchmark,…

Computation and Language · Computer Science 2022-06-22 Hervé Déjean , Stéphane Clinchant , Jean-Luc Meunier

The use of retrieval-augmented generation (RAG) to retrieve relevant information from an external knowledge source enables large language models (LLMs) to answer questions over private and/or previously unseen document collections. However,…

For Relation Extraction (RE), the manual annotation of training data may be prohibitively expensive, since the sentences that contain the target relations in texts can be very scarce and difficult to find. It is therefore beneficial to…

Computation and Language · Computer Science 2025-09-11 Zexuan Li , Hongliang Dai , Piji Li

Large Language Models (LLMs) are increasingly used for question answering over scientific research papers. Existing retrieval augmentation methods often rely on isolated text chunks or concepts, but overlook deeper semantic connections…

Computation and Language · Computer Science 2026-01-30 Jiayin Lan , Jiaqi Li , Baoxin Wang , Ming Liu , Dayong Wu , Shijin Wang , Bing Qin , Guoping Hu

Generative pre-trained transformer (GPT) models have shown promise in clinical entity and relation extraction tasks because of their precise extraction and contextual understanding capability. In this work, we further leverage the Unified…

Computation and Language · Computer Science 2024-07-16 Kriti Bhattarai , Inez Y. Oh , Zachary B. Abrams , Albert M. Lai

In the field of Material Science, effective information retrieval systems are essential for facilitating research. Traditional Retrieval-Augmented Generation (RAG) approaches in Large Language Models (LLMs) often encounter challenges such…

Information Retrieval · Computer Science 2024-12-03 Radeen Mostafa , Mirza Nihal Baig , Mashaekh Tausif Ehsan , Jakir Hasan

Path-based relational reasoning over knowledge graphs has become increasingly popular due to a variety of downstream applications such as question answering in dialogue systems, fact prediction, and recommender systems. In recent years,…

Machine Learning · Computer Science 2020-03-16 Mandana Saebi , Steven Krieg , Chuxu Zhang , Meng Jiang , Nitesh Chawla

Information extraction (IE) is an important task in Natural Language Processing (NLP), involving the extraction of named entities and their relationships from unstructured text. In this paper, we propose a novel approach to this task by…

Computation and Language · Computer Science 2024-04-22 Urchade Zaratiana , Nadi Tomeh , Niama El Khbir , Pierre Holat , Thierry Charnois

Research question answering requires accurate retrieval and contextual understanding of scientific literature. However, current Retrieval-Augmented Generation (RAG) methods often struggle to balance complex document relationships with…

Information Retrieval · Computer Science 2025-01-28 Yuntong Hu , Zhihan Lei , Zhongjie Dai , Allen Zhang , Abhinav Angirekula , Zheng Zhang , Liang Zhao

As a crucial step in extractive document summarization, learning cross-sentence relations has been explored by a plethora of approaches. An intuitive way is to put them in the graph-based neural network, which has a more complex structure…

Computation and Language · Computer Science 2020-04-28 Danqing Wang , Pengfei Liu , Yining Zheng , Xipeng Qiu , Xuanjing Huang

Relation extraction (RE) aims to predict a relation between a subject and an object in a sentence, while knowledge graph link prediction (KGLP) aims to predict a set of objects, O, given a subject and a relation from a knowledge graph.…

Computation and Language · Computer Science 2020-12-10 George Stoica , Emmanouil Antonios Platanios , Barnabás Póczos

Relation extraction as an important natural Language processing (NLP) task is to identify relations between named entities in text. Recently, graph convolutional networks over dependency trees have been widely used to capture syntactic…

Computation and Language · Computer Science 2024-11-13 Xin Wang , Xinyi Bai

Distantly supervised relation extraction has been widely used to find novel relational facts from plain text. To predict the relation between a pair of two target entities, existing methods solely rely on those direct sentences containing…

Computation and Language · Computer Science 2017-09-15 Wenyuan Zeng , Yankai Lin , Zhiyuan Liu , Maosong Sun

In the continuously advancing AI landscape, crafting context-rich and meaningful responses via Large Language Models (LLMs) is essential. Researchers are becoming more aware of the challenges that LLMs with fewer parameters encounter when…

Computation and Language · Computer Science 2024-10-17 Somnath Banerjee , Amruit Sahoo , Sayan Layek , Avik Dutta , Rima Hazra , Animesh Mukherjee

Dialogue relation extraction (DRE) aims to detect the relation between two entities mentioned in a multi-party dialogue. It plays an important role in constructing knowledge graphs from conversational data increasingly abundant on the…

Computation and Language · Computer Science 2021-06-22 Hui Chen , Pengfei Hong , Wei Han , Navonil Majumder , Soujanya Poria

The field of relation extraction (RE) is experiencing a notable shift towards generative relation extraction (GRE), leveraging the capabilities of large language models (LLMs). However, we discovered that traditional relation extraction…

Computation and Language · Computer Science 2024-02-19 Pengcheng Jiang , Jiacheng Lin , Zifeng Wang , Jimeng Sun , Jiawei Han

In spite of the potential for ground-breaking achievements offered by large language models (LLMs) (e.g., GPT-3), they still lag significantly behind fully-supervised baselines (e.g., fine-tuned BERT) in relation extraction (RE). This is…

Computation and Language · Computer Science 2023-12-12 Zhen Wan , Fei Cheng , Zhuoyuan Mao , Qianying Liu , Haiyue Song , Jiwei Li , Sadao Kurohashi
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