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Document-level Relation Extraction (DocRE) aims to identify relationships between entity pairs within a document. However, most existing methods assume a uniform label distribution, resulting in suboptimal performance on real-world,…

计算与语言 · 计算机科学 2025-01-14 Khai Phan Tran , Wen Hua , Xue Li

Extracting structured information from unstructured text is critical for many downstream NLP applications and is traditionally achieved by closed information extraction (cIE). However, existing approaches for cIE suffer from two…

计算与语言 · 计算机科学 2024-04-22 Nacime Bouziani , Shubhi Tyagi , Joseph Fisher , Jens Lehmann , Andrea Pierleoni

Automated fact-checking aims to assess the truthfulness of textual claims based on relevant evidence. However, verifying complex claims that require multi-hop reasoning remains a significant challenge. We propose GraphCheck, a novel…

计算与语言 · 计算机科学 2025-11-10 Hyewon Jeon , Jay-Yoon Lee

We formalize and enable the task of open tree decomposition, which segments an image into hierarchical trees of visual components with unconstrained granularity and flexibility. Specifically, we provide the foundation benchmark for this new…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Junhyub Lee , Seunghun Chae , Hyosu Kim

Large language models (LLMs) have achieved commendable accomplishments in various natural language processing tasks. However, LLMs still encounter significant challenges when dealing with complex scenarios involving multiple entities. These…

计算与语言 · 计算机科学 2024-06-07 Yanming Liu , Xinyue Peng , Tianyu Du , Jianwei Yin , Weihao Liu , Xuhong Zhang

In mobile computing systems, users can access network services anywhere and anytime using mobile devices such as tablets and smart phones. These devices connect to the Internet via network or telecommunications operators. Users usually have…

网络与互联网体系结构 · 计算机科学 2014-10-28 Karan Mitra , Arkady Zaslavsky , Christer Åhlund

Ensemble models (bagging and gradient-boosting) of relational decision trees have proved to be one of the most effective learning methods in the area of probabilistic logic models (PLMs). While effective, they lose one of the most important…

机器学习 · 计算机科学 2022-06-17 Siwen Yan , Sriraam Natarajan , Saket Joshi , Roni Khardon , Prasad Tadepalli

Document-level Event Argument Extraction (EAE) requires the model to extract arguments of multiple events from a single document. Considering the underlying dependencies between these events, recent efforts leverage the idea of "memory",…

计算与语言 · 计算机科学 2023-10-26 Quzhe Huang , Yanxi Zhang , Dongyan Zhao

We present PyOECP, a Python-based flexible open-source software for estimating and modeling the complex permittivity obtained from the open-ended coaxial probe (OECP) technique. The transformation of the measured reflection coefficient to…

仪器与探测器 · 物理学 2021-10-01 Tae Jun Yoon , Katie A. Maerzke , Robert P. Currier , Alp T. Findikoglu

Commonsense knowledge graph completion is a new challenge for commonsense knowledge graph construction and application. In contrast to factual knowledge graphs such as Freebase and YAGO, commonsense knowledge graphs (CSKGs; e.g.,…

计算与语言 · 计算机科学 2024-02-16 Ying Su , Tianqing Fang , Huiru Xiao , Weiqi Wang , Yangqiu Song , Tong Zhang , Lei Chen

The Open Research Knowledge Graph (ORKG) provides machine-actionable access to scholarly literature that habitually is written in prose. Following the FAIR principles, the ORKG makes traditional, human-coded knowledge findable, accessible,…

数字图书馆 · 计算机科学 2020-06-25 Mila Runnwerth , Markus Stocker , Sören Auer

Recently, knowledge-enhanced methods leveraging auxiliary knowledge graphs have emerged in relation extraction, surpassing traditional text-based approaches. However, to our best knowledge, there is currently no public dataset available…

机器学习 · 计算机科学 2023-04-26 Yucong Lin , Hongming Xiao , Jiani Liu , Zichao Lin , Keming Lu , Feifei Wang , Wei Wei

To alleviate the challenges of building Knowledge Graphs (KG) from scratch, a more general task is to enrich a KG using triples from an open corpus, where the obtained triples contain noisy entities and relations. It is challenging to…

人工智能 · 计算机科学 2022-06-16 Yue Wang , Yao Wan , Lu Bai , Lixin Cui , Zhuo Xu , Ming Li , Philip S. Yu , Edwin R Hancock

A knowledge organization system (KOS) is made up of concepts and semantic relations between the concepts which represent a knowledge domain terminologically. We distinguish between five approaches to KOSs: nomenclatures, classification…

数字图书馆 · 计算机科学 2015-05-15 Wolfgang G. Stock

The Chapter starts with introductory information about quantitative linguistics notions, like rank--frequency dependence, Zipf's law, frequency spectra, etc. Similarities in distributions of words in texts with level occupation in quantum…

数据分析、统计与概率 · 物理学 2024-01-04 Andrij Rovenchak

Some established and also novel techniques in the field of applications of algorithmic (Kolmogorov) complexity currently co-exist for the first time and are here reviewed, ranging from dominant ones such as statistical lossless compression…

信息论 · 计算机科学 2020-07-15 Hector Zenil

A common thread of open-domain question answering (QA) models employs a retriever-reader pipeline that first retrieves a handful of relevant passages from Wikipedia and then peruses the passages to produce an answer. However, even…

计算与语言 · 计算机科学 2022-10-11 Mingxuan Ju , Wenhao Yu , Tong Zhao , Chuxu Zhang , Yanfang Ye

Many learning problems involve multiple patterns and varying degrees of uncertainty dependent on the covariates. Advances in Deep Learning (DL) have addressed these issues by learning highly nonlinear input-output dependencies. However,…

机器学习 · 计算机科学 2025-05-05 Aurelio Raffa Ugolini , Mara Tanelli , Valentina Breschi

Graph classification, aiming at learning the graph-level representations for effective class assignments, has received outstanding achievements, which heavily relies on high-quality datasets that have balanced class distribution. In fact,…

机器学习 · 计算机科学 2023-09-06 Siyu Yi , Zhengyang Mao , Wei Ju , Yongdao Zhou , Luchen Liu , Xiao Luo , Ming Zhang

Reliable identification of encrypted file fragments is a requirement for several security applications, including ransomware detection, digital forensics, and traffic analysis. A popular approach consists of estimating high entropy as a…

密码学与安全 · 计算机科学 2020-10-16 Fabio De Gaspari , Dorjan Hitaj , Giulio Pagnotta , Lorenzo De Carli , Luigi V. Mancini