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As one of the most popular services over online communities, the social recommendation has attracted increasing research efforts recently. Among all the recommendation tasks, an important one is social item recommendation over high speed…

信息检索 · 计算机科学 2019-01-07 Xiangmin Zhou , Dong Qin , Xiaolu Lu , Lei Chen , Yanchun Zhang

Live streaming has become a cornerstone of today's internet, enabling massive real-time social interactions. However, it faces severe risks arising from sparse, coordinated malicious behaviors among multiple participants, which are often…

机器学习 · 计算机科学 2026-02-12 Yiran Qiao , Jing Chen , Xiang Ao , Qiwei Zhong , Yang Liu , Qing He

Benefiting from the advancements in large language models and cross-modal alignment, existing multi-modal video understanding methods have achieved prominent performance in offline scenario. However, online video streams, as one of the most…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Haoji Zhang , Yiqin Wang , Yansong Tang , Yong Liu , Jiashi Feng , Jifeng Dai , Xiaojie Jin

Stochastic simulation has been widely used to analyze the performance of complex stochastic systems and facilitate decision making in those systems. Stochastic simulation is driven by the input model, which is a collection of probability…

风险管理 · 定量金融 2020-02-14 Tianyi Liu , Enlu Zhou

Urban flow monitoring systems play important roles in smart city efforts around the world. However, the ubiquitous deployment of monitoring devices, such as CCTVs, induces a long-lasting and enormous cost for maintenance and operation. This…

计算机视觉与模式识别 · 计算机科学 2019-11-06 Yuxuan Liang , Kun Ouyang , Lin Jing , Sijie Ruan , Ye Liu , Junbo Zhang , David S. Rosenblum , Yu Zheng

The study of continuous-time information diffusion has been an important area of research for many applications in recent years. When only the diffusion traces (cascades) are accessible, cascade-based network inference and influence…

社会与信息网络 · 计算机科学 2024-05-22 Keke Huang , Ruize Gao , Bogdan Cautis , Xiaokui Xiao

Vision-language models (VLMs) could power real-time assistants and autonomous agents, but they face a critical challenge: understanding near-infinite video streams without escalating latency and memory usage. Processing entire videos with…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Ruyi Xu , Guangxuan Xiao , Yukang Chen , Liuning He , Kelly Peng , Yao Lu , Song Han

Cross-domain recommendation aims to leverage knowledge from multiple domains to alleviate the data sparsity and cold-start problems in traditional recommender systems. One popular paradigm is to employ overlapping user representations to…

信息检索 · 计算机科学 2023-01-30 Chuang Zhao , Hongke Zhao , Ming He , Jian Zhang , Jianping Fan

Cross-domain recommendation (CDR) is an important method to improve recommender system performance, especially when observations in target domains are sparse. However, most existing cross-domain recommendations fail to fully utilize the…

信息检索 · 计算机科学 2024-01-23 Yuhao Luo , Shiwei Ma , Mingjun Nie , Changping Peng , Zhangang Lin , Jingping Shao , Qianfang Xu

Short-form videos have become one of the most popular user-generated content formats nowadays. Popular short-video platforms use a simple streaming approach that preloads one or more videos in the recommendation list in advance. However,…

多媒体 · 计算机科学 2026-03-25 Vu Thi Hai Yen , Duc V. Nguyen , Cao Anh Minh Huy , Truong Thu Huong

Estimating frequencies of items over data streams is a common building block in streaming data measurement and analysis. Misra and Gries introduced their seminal algorithm for the problem in 1982, and the problem has since been revisited…

数据结构与算法 · 计算机科学 2017-05-23 Daniel Anderson , Pryce Bevan , Kevin Lang , Edo Liberty , Lee Rhodes , Justin Thaler

A popular approach to streaming speech translation is to employ a single offline model with a wait-k policy to support different latency requirements, which is simpler than training multiple online models with different latency constraints.…

计算与语言 · 计算机科学 2023-10-27 Biao Fu , Minpeng Liao , Kai Fan , Zhongqiang Huang , Boxing Chen , Yidong Chen , Xiaodong Shi

The social metaverse is a growing digital ecosystem that blends virtual and physical worlds. It allows users to interact socially, work, shop, and enjoy entertainment. However, privacy remains a major challenge, as immersive interactions…

机器学习 · 计算机科学 2025-06-24 Zijian Long , Haopeng Wang , Haiwei Dong , Abdulmotaleb El Saddik

Fluid antenna multiple access (FAMA) is an emerging technology in massive access designed to meet the demands of future wireless communication networks by naturally mitigating multiuser interference through the utilization of the fluid…

信息论 · 计算机科学 2025-11-25 Hanjiang Hong , Kai-Kit Wong , Xusheng Zhu , Hao Xu , Han Xiao , Farshad Rostami Ghadi , Hyundong Shin

Resource provisioning in multi-tenant stream processing systems faces the dual challenges of keeping resource utilization high (without over-provisioning), and ensuring performance isolation. In our common production use cases, where…

分布式、并行与集群计算 · 计算机科学 2020-10-08 Le Xu , Shivaram Venkataraman , Indranil Gupta , Luo Mai , Rahul Potharaju

Fluid antenna multiple access (FAMA) enables each user to rapidly switch among several closely spaced ports and select the strongest received signal. Although this mechanism offers micro-scale spatial diversity, its behavior in multiuser…

信息论 · 计算机科学 2026-05-25 Anastasios Papazafeiropoulos

The application of diffusion transformers is suffering from their significant inference costs. Recently, feature caching has been proposed to solve this problem by reusing features from previous timesteps, thereby skipping computation in…

Group recommendation provides personalized recommendations to a group of users based on their shared interests, preferences, and characteristics. Current studies have explored different methods for integrating individual preferences and…

信息检索 · 计算机科学 2023-08-09 Jianye Ji , Jiayan Pei , Shaochuan Lin , Taotao Zhou , Hengxu He , Jia Jia , Ning Hu

Hospitals around the world collect massive amounts of physiological data from their patients every day. Recently, there has been an increase in research interest to subject this data to statistical analysis to gain more insights and provide…

分布式、并行与集群计算 · 计算机科学 2021-03-04 Anand Jayarajan , Kimberly Hau , Andrew Goodwin , Gennady Pekhimenko

In statistical learning for real-world large-scale data problems, one must often resort to "streaming" algorithms which operate sequentially on small batches of data. In this work, we present an analysis of the information-theoretic limits…

机器学习 · 统计学 2018-01-22 Andre Manoel , Florent Krzakala , Eric W. Tramel , Lenka Zdeborová