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Fake news is a severe problem in social media. In this paper, we present an empirical study on visual, textual, and multimodal models for the tasks of claim, claim check-worthiness, and conspiracy detection, all of which are related to fake…

社会与信息网络 · 计算机科学 2021-03-18 Gullal S. Cheema , Sherzod Hakimov , Eric Müller-Budack , Ralph Ewerth

The goal of video summarization is to select keyframes that are visually diverse and can represent a whole story of an input video. State-of-the-art approaches for video summarization have mostly regarded the task as a frame-wise keyframe…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Jungin Park , Jiyoung Lee , Ig-Jae Kim , Kwanghoon Sohn

Video frame sampling is essential for efficient long-video understanding with Vision-Language Models (VLMs), since dense inputs are costly and often exceed context limits. Yet when only a small number of frames can be retained, existing…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Mengyu Zhao , Di Fu , Yongyu Xie , Jiaxing Zhang , Zhigang Yuan , Shirin Jalali , Yong Cao

Robust scene segmentation and keyframe extraction are essential preprocessing steps in video understanding pipelines, supporting tasks such as indexing, summarization, and semantic retrieval. However, existing methods often lack…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Vasilii Korolkov

In this paper we describe a novel framework and algorithms for discovering image patch patterns from a large corpus of weakly supervised image-caption pairs generated from news events. Current pattern mining techniques attempt to find…

计算机视觉与模式识别 · 计算机科学 2016-01-06 Hongzhi Li , Joseph G. Ellis , Shih-Fu Chang

Writer identification based on a small amount of text is a challenging problem. In this paper, we propose a new benchmark study for writer identification based on word or text block images which approximately contain one word. In order to…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Sheng He , Lambert Schomaker

Document indexation is an essential task achieved by archivists or automatic indexing tools. To retrieve relevant documents to a query, keywords describing this document have to be carefully chosen. Archivists have to find out the right…

信息检索 · 计算机科学 2009-12-09 Carlo Abi Chahine , Nathalie Chaignaud , Jean-Philippe Kotowicz , Jean-Pierre Pécuchet

The increasing prevalence of malicious Portable Document Format (PDF) files necessitates robust and comprehensive feature extraction techniques for effective detection and analysis. This work presents a unified framework that integrates…

密码学与安全 · 计算机科学 2026-01-21 Sharmila S P

Understanding and extracting of information from large documents, such as business opportunities, academic articles, medical documents and technical reports, poses challenges not present in short documents. Such large documents may be…

计算与语言 · 计算机科学 2019-10-10 Muhammad Mahbubur Rahman , Tim Finin

The task of redescription mining explores ways to re-describe different subsets of entities contained in a dataset and to reveal non-trivial associations between different subsets of attributes, called views. This interesting and…

机器学习 · 计算机科学 2024-10-30 Matej Mihelčić , Tomislav Šmuc

Keyphrase extraction is a textual information processing task concerned with the automatic extraction of representative and characteristic phrases from a document that express all the key aspects of its content. Keyphrases constitute a…

计算与语言 · 计算机科学 2019-07-31 Eirini Papagiannopoulou , Grigorios Tsoumakas

Multi-document summarization is the process of automatically generating a concise summary of multiple documents related to the same topic. This summary can help users quickly understand the key information from a large collection of…

计算与语言 · 计算机科学 2023-12-20 Charles Rajan , Nishit Asnani , Shreya Singh

The growing volume of video-based news content has heightened the need for transparent and reliable methods to extract on-screen information. Yet the variability of graphical layouts, typographic conventions, and platform-specific design…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Andrea Filiberto Lucas , Dylan Seychell

Combating fake news needs a variety of defense methods. Although rumor detection and various linguistic analysis techniques are common methods to detect false content in social media, there are other feasible mitigation approaches that…

社会与信息网络 · 计算机科学 2019-04-08 Sina Mohseni , Eric Ragan , Xia Hu

We are presenting a set of multilingual text analysis tools that can help analysts in any field to explore large document collections quickly in order to determine whether the documents contain information of interest, and to find the…

计算与语言 · 计算机科学 2007-05-23 Camelia Ignat , Bruno Pouliquen , Ralf Steinberger , Tomaz Erjavec

The rapid growth of publicly available textual resources, such as lexicons and domain-specific corpora, presents challenges in efficiently identifying relevant resources. While repositories are emerging, they often lack advanced search and…

数据库 · 计算机科学 2025-08-01 Anaïs Ollagnier , Aline Menin

Different machine learning models can represent the same underlying concept in different ways. This variability is particularly valuable for in-the-wild multimodal retrieval, where the objective is to identify the corresponding…

信息检索 · 计算机科学 2025-06-11 Fan Xu , Luis A. Leiva

Effectively modeling text-rich fresh content such as news articles at document-level is a challenging problem. To ensure a content-based model generalize well to a broad range of applications, it is critical to have a training dataset that…

计算与语言 · 计算机科学 2021-06-08 Jialu Liu , Tianqi Liu , Cong Yu

Media framing refers to the emphasis on specific aspects of perceived reality to shape how an issue is defined and understood. Its primary purpose is to shape public perceptions often in alignment with the authors' opinions and stances.…

计算与语言 · 计算机科学 2025-10-10 Shijia Zhou , Siyao Peng , Simon M. Luebke , Jörg Haßler , Mario Haim , Saif M. Mohammad , Barbara Plank

Recent models for cross-modal retrieval have benefited from an increasingly rich understanding of visual scenes, afforded by scene graphs and object interactions to mention a few. This has resulted in an improved matching between the visual…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Andrés Mafla , Rafael Sampaio de Rezende , Lluís Gómez , Diane Larlus , Dimosthenis Karatzas