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Dialogue-based Relation Extraction (DRE) aims to predict the relation type of argument pairs that are mentioned in dialogue. The latest trigger-enhanced methods propose trigger prediction tasks to promote DRE. However, these methods are not…

计算与语言 · 计算机科学 2023-03-31 Hao An , Dongsheng Chen , Weiyuan Xu , Zhihong Zhu , Yuexian Zou

Current state-of-the-art relation extraction methods typically rely on a set of lexical, syntactic, and semantic features, explicitly computed in a pre-processing step. Training feature extraction models requires additional annotated…

计算与语言 · 计算机科学 2019-06-10 Christoph Alt , Marc Hübner , Leonhard Hennig

Relation extraction (RE) is one of the most important tasks in information extraction, as it provides essential information for many NLP applications. In this paper, we propose a cross-lingual RE approach that does not require any human…

计算与语言 · 计算机科学 2020-10-20 Jian Ni , Taesun Moon , Parul Awasthy , Radu Florian

Video Temporal Grounding (VTG) aims to extract relevant video segments based on a given natural language query. Recently, zero-shot VTG methods have gained attention by leveraging pretrained vision-language models (VLMs) to localize target…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Jin-Seop Lee , SungJoon Lee , Jaehan Ahn , YunSeok Choi , Jee-Hyong Lee

Relation extraction (RE) aims to extract relations from sentences and documents. Existing relation extraction models typically rely on supervised machine learning. However, recent studies showed that many RE datasets are incompletely…

计算与语言 · 计算机科学 2023-06-19 Qingyu Tan , Lu Xu , Lidong Bing , Hwee Tou Ng

Zero-shot streaming text-to-speech is an important research topic in human-computer interaction. Existing methods primarily use a lookahead mechanism, relying on future text to achieve natural streaming speech synthesis, which introduces…

机器学习 · 计算机科学 2025-06-03 Haiyang Sun , Shujie Hu , Shujie Liu , Lingwei Meng , Hui Wang , Bing Han , Yifan Yang , Yanqing Liu , Sheng Zhao , Yan Lu , Yanmin Qian

In this paper we propose a data intensive approach for inferring sentence-internal temporal relations. Temporal inference is relevant for practical NLP applications which either extract or synthesize temporal information (e.g.,…

计算与语言 · 计算机科学 2011-10-10 M. Lapata , A. Lascarides

Relation Extraction (RE) serves as a crucial technology for transforming unstructured text into structured information, especially within the framework of Knowledge Graph development. Its importance is emphasized by its essential role in…

计算与语言 · 计算机科学 2024-06-27 Dawulie Jinensibieke , Mieradilijiang Maimaiti , Wentao Xiao , Yuanhang Zheng , Xiaobo Wang

Automatic term extraction (ATE) is a Natural Language Processing (NLP) task that eases the effort of manually identifying terms from domain-specific corpora by providing a list of candidate terms. As units of knowledge in a specific field…

计算与语言 · 计算机科学 2023-01-18 Hanh Thi Hong Tran , Matej Martinc , Jaya Caporusso , Antoine Doucet , Senja Pollak

Inter-sentence relation extraction deals with a number of complex semantic relationships in documents, which require local, non-local, syntactic and semantic dependencies. Existing methods do not fully exploit such dependencies. We present…

计算与语言 · 计算机科学 2019-06-12 Sunil Kumar Sahu , Fenia Christopoulou , Makoto Miwa , Sophia Ananiadou

Networks representing social, biological, technological or other systems are often characterized by higher-order interaction involving any number of nodes. Temporal hypergraphs are given by ordered sequences of hyperedges representing sets…

物理与社会 · 物理学 2026-02-27 Jürgen Lerner , Marian-Gabriel Hâncean , Matjaz Perc

Event extraction (EE) is an essential task of information extraction, which aims to extract structured event information from unstructured text. Most prior work focuses on extracting flat events while neglecting overlapped or nested ones. A…

计算与语言 · 计算机科学 2022-09-07 Hu Cao , Jingye Li , Fangfang Su , Fei Li , Hao Fei , Shengqiong Wu , Bobo Li , Liang Zhao , Donghong Ji

Relation extraction is an efficient way of mining the extraordinary wealth of human knowledge on the Web. Existing methods rely on domain-specific training data or produce noisy outputs. We focus here on extracting targeted relations from…

信息检索 · 计算机科学 2024-02-23 Zhi Hong , Kyle Chard , Ian Foster

Anomaly identification is highly dependent on the relationship between the object and the scene, as different/same object actions in same/different scenes may lead to various degrees of normality and anomaly. Therefore, object-scene…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Hui Lv , Zhen Cui , Biao Wang , Jian Yang

Event extraction is of practical utility in natural language processing. In the real world, it is a common phenomenon that multiple events existing in the same sentence, where extracting them are more difficult than extracting a single…

计算与语言 · 计算机科学 2022-12-19 Xiao Liu , Zhunchen Luo , Heyan Huang

Retrieving temporal event sequences from textual descriptions is crucial for applications such as analyzing e-commerce behavior, monitoring social media activities, and tracking criminal incidents. To advance this task, we introduce…

计算与语言 · 计算机科学 2025-02-04 Zefang Liu , Yinzhu Quan

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…

计算与语言 · 计算机科学 2023-05-26 Xuming Hu , Zhijiang Guo , Zhiyang Teng , Irwin King , Philip S. Yu

In this work, we explore whether the recently demonstrated zero-shot abilities of the T0 model extend to Named Entity Recognition for out-of-distribution languages and time periods. Using a historical newspaper corpus in 3 languages as…

Pre-trained language models have contributed significantly to relation extraction by demonstrating remarkable few-shot learning abilities. However, prompt tuning methods for relation extraction may still fail to generalize to those rare or…

计算与语言 · 计算机科学 2023-09-20 Xiang Chen , Lei Li , Ningyu Zhang , Chuanqi Tan , Fei Huang , Luo Si , Huajun Chen

Textual patterns (e.g., Country's president Person) are specified and/or generated for extracting factual information from unstructured data. Pattern-based information extraction methods have been recognized for their efficiency and…

计算与语言 · 计算机科学 2020-06-12 Yang Zhou , Tong Zhao , Meng Jiang