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Research shows that comment spamming (comments which are unsolicited, unrelated, abusive, hateful, commercial advertisements etc) in online discussion forums has become a common phenomenon in Web 2.0 applications and there is a strong need…

信息检索 · 计算机科学 2011-03-28 Ashish Sureka

As the most critical components in a sentence, subject, predicate and object require special attention in the video captioning task. To implement this idea, we design a novel framework, named COllaborative three-Stream Transformers (COST),…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Hao Wang , Libo Zhang , Heng Fan , Tiejian Luo

This mixed-methods study examines how pre-service teachers select instructional videos on YouTube for physics teaching. It focuses on the role of surface features that YouTube provides (e.g., likes, views, thumbnails) and the comments…

物理教育 · 物理学 2023-08-01 Philipp Bitzenbauer , Tom Teußner , Joaquin Veith , Christoph Kulgemeyer

Currently successful methods for video description are based on encoder-decoder sentence generation using recur-rent neural networks (RNNs). Recent work has shown the advantage of integrating temporal and/or spatial attention mechanisms…

计算机视觉与模式识别 · 计算机科学 2017-03-13 Chiori Hori , Takaaki Hori , Teng-Yok Lee , Kazuhiro Sumi , John R. Hershey , Tim K. Marks

Alas, coordinated hate attacks, or raids, are becoming increasingly common online. In a nutshell, these are perpetrated by a group of aggressors who organize and coordinate operations on a platform (e.g., 4chan) to target victims on another…

社会与信息网络 · 计算机科学 2024-06-25 Mohammad Hammas Saeed , Kostantinos Papadamou , Jeremy Blackburn , Emiliano De Cristofaro , Gianluca Stringhini

Online action detection has attracted increasing research interests in recent years. Current works model historical dependencies and anticipate the future to perceive the action evolution within a video segment and improve the detection…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Le Yang , Junwei Han , Dingwen Zhang

Weakly-supervised temporal action localization aims to identify and localize the action instances in the untrimmed videos with only video-level action labels. When humans watch videos, we can adapt our abstract-level knowledge about actions…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Xijun Wang , Aggelos K. Katsaggelos

The Internet has become an essential part of children's and adolescents' daily life. Social media platforms are used as educational and entertainment resources on daily bases by young users, leading enormous efforts to ensure their safety…

社会与信息网络 · 计算机科学 2020-09-18 Sultan Alshamrani , Ahmed Abusnaina , David Mohaisen

YouTube videos often include captivating descriptions and intriguing thumbnails designed to increase the number of views, and thereby increase the revenue for the person who posted the video. This creates an incentive for people to post…

机器学习 · 计算机科学 2021-07-28 Ruchira Gothankar , Fabio Di Troia , Mark Stamp

The rapid growth of online video content has outpaced efforts to make visual information accessible to blind and low vision (BLV) audiences. While professional Audio Description (AD) remains the gold standard, it is costly and difficult to…

人机交互 · 计算机科学 2025-08-13 Ruolin wang , Xingyu Liu , Biao Wang , Wayne Zhang , Ziqian Liao , Ziwen Li , Amy Pavel , Xiang 'Anthony' Chen

Abusive language is a massive problem in online social platforms. Existing abusive language detection techniques are particularly ill-suited to comments containing heterogeneous abusive language patterns, i.e., both abusive and non-abusive…

计算与语言 · 计算机科学 2021-05-25 Hongyu Gong , Alberto Valido , Katherine M. Ingram , Giulia Fanti , Suma Bhat , Dorothy L. Espelage

Recent advances in Computer Vision and Deep Learning made possible the efficient extraction of a schema from frames of streaming video. As such, a stream of objects and their associated classes along with unique object identifiers derived…

数据库 · 计算机科学 2020-03-09 Yueting Chen , Xiaohui Yu , Nick Koudas

Unlike popular videos, which would have already achieved high viewership numbers by the time they are declared popular, YouTube trending videos represent content that targets viewers attention over a relatively short time, and has the…

社会与信息网络 · 计算机科学 2014-09-30 Iman Barjasteh , Ying Liu , Hayder Radha

Long video understanding remains challenging for multimodal large language models (MLLMs) due to limited context windows, which necessitate identifying sparse query-relevant video segments. However, existing methods predominantly localize…

计算机视觉与模式识别 · 计算机科学 2026-05-04 Ruoliu Yang , Chu Wu , Caifeng Shan , Ran He , Chaoyou Fu

The task of temporally detecting and segmenting actions in untrimmed videos has seen an increased attention recently. One problem in this context arises from the need to define and label action boundaries to create annotations for training…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Anna Kukleva , Hilde Kuehne , Fadime Sener , Juergen Gall

Offensive Language detection in social media platforms has been an active field of research over the past years. In non-native English spoken countries, social media users mostly use a code-mixed form of text in their posts/comments. This…

计算与语言 · 计算机科学 2022-12-13 Charangan Vasantharajan , Uthayasanker Thayasivam

The goal of this paper is to study the behaviour of view-count in YouTube. We first propose several bio-inspired models for the evolution of the view-count of YouTube videos. We show, using a large set of empirical data, that the view-count…

社会与信息网络 · 计算机科学 2014-05-29 Cédric Richier , Eitan Altman , Rachid Elazouzi , Tania Altman , Georges Linares , Yonathan Portilla

Instance segmentation in videos, which aims to segment and track multiple objects in video frames, has garnered a flurry of research attention in recent years. In this paper, we present a novel weakly supervised framework with…

计算机视觉与模式识别 · 计算机科学 2022-12-16 Liqi Yan , Qifan Wang , Siqi Ma , Jingang Wang , Changbin Yu

Movie highlights stand out of the screenplay for efficient browsing and play a crucial role on social media platforms. Based on existing efforts, this work has two observations: (1) For different annotators, labeling highlight has…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Bei Gan , Xiujun Shu , Ruizhi Qiao , Haoqian Wu , Keyu Chen , Hanjun Li , Bo Ren

Evaluating short-form video content requires moving beyond surface-level quality metrics toward human-aligned, multimodal reasoning. While existing frameworks like VideoScore-2 assess visual and semantic fidelity, they do not capture how…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Arnav Gupta , Gurekas Singh Sahney , Hardik Rathi , Abhishek Chandwani , Ishaan Gupta , Pratik Narang , Dhruv Kumar