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Super point is a special kind of host whose cardinality, the number of contacting hosts in a certain period, is bigger than a threshold. Super point cardinality estimation plays important roles in network field. This paper proposes a super…

网络与互联网体系结构 · 计算机科学 2018-07-05 Jie Xu

Super point is a kind of special host in the network which contacts with huge of other hosts. Estimating its cardinality, the number of other hosts contacting with it, plays important roles in network management. But all of existing works…

网络与互联网体系结构 · 计算机科学 2018-05-24 Jie Xu

Super point is a special host in network which communicates with lots of other hosts in a certain time period. The number of hosts contacting with a super point is called as its cardinality. Cardinality estimating plays important roles in…

网络与互联网体系结构 · 计算机科学 2018-07-05 Jie Xu , Wei Ding , Jian Gong , Xiaoyan Hu

Cardinalities estimation is an important research topic in network management and security. How to solve this problem under sliding time window is a hot topic. HyperLogLog is a memory efficient algorithm work under a fixed time window. A…

网络与互联网体系结构 · 计算机科学 2018-11-01 Jie Xu

Cardinality estimation is a critical component and a longstanding challenge in modern data warehouses. ByteHouse, ByteDance's cloud-native engine for extensive data analysis in exabyte-scale environments, serves numerous internal…

数据库 · 计算机科学 2024-04-12 Yuxing Han , Haoyu Wang , Lixiang Chen , Yifeng Dong , Xing Chen , Benquan Yu , Chengcheng Yang , Weining Qian

Online monitoring user cardinalities (or degrees) in graph streams is fundamental for many applications. For example in a bipartite graph representing user-website visiting activities, user cardinalities (the number of distinct visited…

数据结构与算法 · 计算机科学 2018-11-27 Pinghui Wang , Peng Jia , Xiangliang Zhang , Jing Tao , Xiaohong Guan , Don Towsley

This paper considers the problem of cardinality estimation in data stream applications. We present a statistical analysis of probabilistic counting algorithms, focusing on two techniques that use pseudo-random variates to form…

统计计算 · 统计学 2012-11-20 Peter Clifford , Ioana A. Cosma

Cardinality estimation is a fundamental functionality in database systems. Most existing cardinality estimators focus on handling predicates over numeric or categorical data. They have largely omitted an important data type, set-valued…

数据库 · 计算机科学 2025-03-20 Yufan Sheng , Xin Cao , Kaiqi Zhao , Yixiang Fang , Jianzhong Qi , Wenjie Zhang , Christian S. Jensen

Temporal action proposal generation is an important task, akin to object proposals, temporal action proposals are intended to capture "clips" or temporal intervals in videos that are likely to contain an action. Previous methods can be…

计算机视觉与模式识别 · 计算机科学 2018-07-20 Jiyang Gao , Kan Chen , Ram Nevatia

Sliding super point is a special host defined under sliding time window with which there are huge other hosts contact. It plays important roles in network security and management. But how to detect them in real time from nowadays high-speed…

分布式、并行与集群计算 · 计算机科学 2018-03-30 Jie Xu

A new alternative method to approximate the Visibility Graph (VG) of a time series has been introduced here. It exploits the fact that most of the nodes in the resulting network are not connected to those that are far away from them. This…

数据分析、统计与概率 · 物理学 2023-11-20 R. Carmona-Cabezas , J. Gomez-Gomez , E. Gutierrez de Rave , F. J. Jimenez-Hornero

Evaluating anomaly detection algorithms in time series data is critical as inaccuracies can lead to flawed decision-making in various domains where real-time analytics and data-driven strategies are essential. Traditional performance…

机器学习 · 计算机科学 2024-05-21 Ramin Ghorbani , Marcel J. T. Reinders , David M. J. Tax

Cardinality estimation algorithms receive a stream of elements, with possible repetitions, and return the number of distinct elements in the stream. Such algorithms seek to minimize the required memory and CPU resource consumption at the…

网络与互联网体系结构 · 计算机科学 2019-03-15 Reuven Cohen , Yuval Nezri

Cardinality estimation is a cornerstone of cost-based optimizers (CBOs), yet real-world workloads often violate the assumptions behind static statistics, degrading decision stability and increasing plan flip rates. We empirically…

数据库 · 计算机科学 2026-01-01 Ilsun Chang

We design a new family of hybrid CNN-ViT neural networks, named FasterViT, with a focus on high image throughput for computer vision (CV) applications. FasterViT combines the benefits of fast local representation learning in CNNs and global…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Ali Hatamizadeh , Greg Heinrich , Hongxu Yin , Andrew Tao , Jose M. Alvarez , Jan Kautz , Pavlo Molchanov

Survival analysis is complicated by censored data, high-dimensional features, and non-linear interactions. Classical models offer interpretability and superior calibration but are restricted to linear or predefined functional forms, while…

机器学习 · 计算机科学 2026-05-19 Mohammad Ashhad , Robert Hoehndorf , Ricardo Henao

Recent demonstrations on specialized benchmarks have reignited excitement for quantum computers, yet whether they can deliver an advantage for practical real-world problems remains an open question. Here, we show that probabilistic…

Large language models (LLMs) benefit from test-time scaling but are often hampered by high inference latency. Speculative decoding is a natural way to accelerate the scaling process; however, scaling along both the parallel and sequential…

Representation learning for time series using contrastive learning has emerged as a critical technique for improving the performance of downstream tasks. To advance this effective approach, we introduce CaTT (\textit{Contrast All The…

机器学习 · 计算机科学 2025-07-16 Abdul-Kazeem Shamba , Kerstin Bach , Gavin Taylor

Test-time scaling has become a standard way to improve performance and boost reliability of neural network models. However, its behavior on agentic, multi-step tasks remains less well-understood: small per-step errors can compound over long…

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