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Multimodal information extraction (IE) tasks have attracted increasing attention because many studies have shown that multimodal information benefits text information extraction. However, existing multimodal IE datasets mainly focus on…

计算与语言 · 计算机科学 2024-12-17 Jiang Liu , Bobo Li , Xinran Yang , Na Yang , Hao Fei , Mingyao Zhang , Fei Li , Donghong Ji

Named Entity Recognition and Relation Extraction are two crucial and challenging subtasks in the field of Information Extraction. Despite the successes achieved by the traditional approaches, fundamental research questions remain open.…

计算与语言 · 计算机科学 2024-05-15 Yao Wang , Xin Liu , Weikun Kong , Hai-Tao Yu , Teeradaj Racharak , Kyoung-Sook Kim , Minh Le Nguyen

Recent works on relational triple extraction have shown the superiority of jointly extracting entities and relations over the pipelined extraction manner. However, most existing joint models fail to balance the modeling of entity features…

计算与语言 · 计算机科学 2022-05-04 Zhepei Wei , Yantao Jia , Yuan Tian , Mohammad Javad Hosseini , Sujian Li , Mark Steedman , Yi Chang

Large language models can perform well on general natural language tasks, but their effectiveness is still suboptimal for information extraction (IE). Recent works indicate that the main reason lies in the lack of extensive data on IE…

计算与语言 · 计算机科学 2024-07-30 Honghao Gui , Shuofei Qiao , Jintian Zhang , Hongbin Ye , Mengshu Sun , Lei Liang , Jeff Z. Pan , Huajun Chen , Ningyu Zhang

We introduce an advanced information extraction pipeline to automatically process very large collections of unstructured textual data for the purpose of investigative journalism. The pipeline serves as a new input processor for the upcoming…

计算与语言 · 计算机科学 2018-09-17 Gregor Wiedemann , Seid Muhie Yimam , Chris Biemann

A learning task, understood as the problem of fitting a parametric model from supervised data, fundamentally requires the dataset to be large enough to be representative of the underlying distribution of the source. When data is limited,…

Information retrieval (IR) or knowledge retrieval, is a critical component for many down-stream tasks such as open-domain question answering (QA). It is also very challenging, as it requires succinctness, completeness, and correctness. In…

计算与语言 · 计算机科学 2023-08-10 Xiaodong Yu , Ben Zhou , Dan Roth

Subsequence matching has appeared to be an ideal approach for solving many problems related to the fields of data mining and similarity retrieval. It has been shown that almost any data class (audio, image, biometrics, signals) is or can be…

多媒体 · 计算机科学 2012-06-13 David Novak , Petr Volny , Pavel Zezula

Multi-span answer extraction, also known as the task of multi-span question answering (MSQA), is critical for real-world applications, as it requires extracting multiple pieces of information from a text to answer complex questions. Despite…

计算与语言 · 计算机科学 2024-02-16 Zhiyi Luo , Yingying Zhang , Shuyun Luo , Ying Zhao , Wentao Lyu

Medical image segmentation remains challenging due to the vast diversity of anatomical structures, imaging modalities, and segmentation tasks. While deep learning has made significant advances, current approaches struggle to generalize as…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Yunhe Gao , Di Liu , Zhuowei Li , Yunsheng Li , Dongdong Chen , Mu Zhou , Dimitris N. Metaxas

Open information extraction (OpenIE) aims to extract the schema-free triplets in the form of (\emph{subject}, \emph{predicate}, \emph{object}) from a given sentence. Compared with general information extraction (IE), OpenIE poses more…

计算与语言 · 计算机科学 2024-01-23 Zhen Chen , Jingping Liu , Deqing Yang , Yanghua Xiao , Huimin Xu , Zongyu Wang , Rui Xie , Yunsen Xian

Continuous assessment of task difficulty and mental workload is essential in improving the usability and accessibility of interactive systems. Eye tracking data has often been investigated to achieve this ability, with reports on the…

人机交互 · 计算机科学 2021-02-15 Youngjun Cho

Retrieving relevant contexts from a large corpus is a crucial step for tasks such as open-domain question answering and fact checking. Although neural retrieval outperforms traditional methods like tf-idf and BM25, its performance degrades…

计算与语言 · 计算机科学 2021-01-05 Jean Maillard , Vladimir Karpukhin , Fabio Petroni , Wen-tau Yih , Barlas Oğuz , Veselin Stoyanov , Gargi Ghosh

Shared training approaches, such as multi-task learning (MTL) and gradient-based meta-learning, are widely used in various machine learning applications, but they often suffer from negative transfer, leading to performance degradation in…

机器学习 · 计算机科学 2024-12-10 Anshul Thakur , Yichen Huang , Soheila Molaei , Yujiang Wang , David A. Clifton

As online platforms and recommendation algorithms evolve, people are increasingly trapped in echo chambers, leading to biased understandings of various issues. To combat this issue, we have introduced PerSphere, a benchmark designed to…

计算与语言 · 计算机科学 2024-12-18 Yun Luo , Yingjie Li , Xiangkun Hu , Qinglin Qi , Fang Guo , Qipeng Guo , Zheng Zhang , Yue Zhang

We study submodular information measures as a rich framework for generic, query-focused, privacy sensitive, and update summarization tasks. While past work generally treats these problems differently ({\em e.g.}, different models are often…

机器学习 · 计算机科学 2020-10-13 Vishal Kaushal , Suraj Kothawade , Ganesh Ramakrishnan , Jeff Bilmes , Himanshu Asnani , Rishabh Iyer

Extracting medical knowledge from healthcare texts enhances downstream tasks like medical knowledge graph construction and clinical decision-making. However, the construction and application of knowledge extraction models lack automation,…

人工智能 · 计算机科学 2023-10-05 Hongxin Ding , Peinie Zou , Zhiyuan Wang , Junfeng Zhao , Yasha Wang , Qiang Zhou

Machine learning (ML) and artificial intelligence (AI) have become hot topics in many information processing areas, from chatbots to scientific data analysis. At the same time, there is uncertainty about the possibility of extending…

人工智能 · 计算机科学 2018-06-08 Abel Torres Montoya

Open Information Extraction (OIE) task aims at extracting structured facts from unstructured text, typically in the form of (subject, relation, object) triples. Despite the potential of large language models (LLMs) like ChatGPT as a general…

Recent advancements in all-in-one image restoration models have revolutionized the ability to address diverse degradations through a unified framework. However, parameters tied to specific tasks often remain inactive for other tasks, making…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Eduard Zamfir , Zongwei Wu , Nancy Mehta , Yuedong Tan , Danda Pani Paudel , Yulun Zhang , Radu Timofte