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Understanding dynamic systems like disease outbreaks, social influence, and information diffusion requires effective modeling of complex networks. Traditional evaluation methods for static networks often fall short when applied to temporal…

社会与信息网络 · 计算机科学 2025-09-26 Alireza Rashnu , Sadegh Aliakbary

Human behavior modeling deals with learning and understanding behavior patterns inherent in humans' daily routines. Existing pattern mining techniques either assume human dynamics is strictly periodic, or require the number of modes as…

机器学习 · 计算机科学 2021-10-26 Rohan Kabra , Divya Saxena , Dhaval Patel , Jiannong Cao

Spontaneous neural activity, crucial in memory, learning, and spatial navigation, often manifests itself as repetitive spatiotemporal patterns. Despite their importance, analyzing these patterns in large neural recordings remains…

信号处理 · 电气工程与系统科学 2024-05-15 Roman Koshkin , Tomoki Fukai

Relationship-aware sequential pattern mining is the problem of mining frequent patterns in sequences in which the events of a sequence are mutually related by one or more concepts from some respective hierarchical taxonomies, based on the…

数据库 · 计算机科学 2012-12-24 Nabil Stendardo , Alexandros Kalousis

With the growing complexity of cyberattacks targeting critical infrastructures such as water treatment networks, there is a pressing need for robust anomaly detection strategies that account for both system vulnerabilities and evolving…

机器学习 · 计算机科学 2025-08-14 Arun Vignesh Malarkkan , Haoyue Bai , Dongjie Wang , Yanjie Fu

The mining of frequent subgraphs from labeled graph data has been studied extensively. Furthermore, much attention has recently been paid to frequent pattern mining from graph sequences. A method, called GTRACE, has been proposed to mine…

数据库 · 计算机科学 2015-05-30 Akihiro Inokuchi , Hiroaki Ikuta , Takashi Washio

Graph convolutional networks (GCNs) have achieved great success on graph-structured data. Many graph convolutional networks can be thought of as low-pass filters for graph signals. In this paper, we propose a more powerful graph…

机器学习 · 计算机科学 2023-06-22 Zhixian Chen , Tengfei Ma , Zhihua Jin , Yangqiu Song , Yang Wang

While going deeper has been witnessed to improve the performance of convolutional neural networks (CNN), going smaller for CNN has received increasing attention recently due to its attractiveness for mobile/embedded applications. It remains…

计算机视觉与模式识别 · 计算机科学 2017-06-14 Zhe Li , Xiaoyu Wang , Xutao Lv , Tianbao Yang

Predicting personality traits based on online posts has emerged as an important task in many fields such as social network analysis. One of the challenges of this task is assembling information from various posts into an overall profile for…

计算与语言 · 计算机科学 2023-04-05 Tao Yang , Jinghao Deng , Xiaojun Quan , Qifan Wang

Computer system monitoring generates huge amounts of logs that record the interaction of system entities. How to query such data to better understand system behaviors and identify potential system risks and malicious behaviors becomes a…

社会与信息网络 · 计算机科学 2015-11-20 Bo Zong , Xusheng Xiao , Zhichun Li , Zhenyu Wu , Zhiyun Qian , Xifeng Yan , Ambuj K. Singh , Guofei Jiang

In this study, a scalable online kernel learning framework is proposed for estimating bidirectional causal effects in systems characterized by mutual dependence and heteroskedasticity. Traditional causal inference often focuses on…

机器学习 · 统计学 2025-11-24 Masahiro Tanaka

Biclustering is an unsupervised data mining technique that aims to unveil patterns (biclusters) from gene expression data matrices. In the framework of this thesis, we propose new biclustering algorithms for microarray data. The latter is…

机器学习 · 计算机科学 2018-11-26 Amina Houari

User activity sequences have emerged as one of the most important signals in recommender systems. We present a foundational model, PinFM, for understanding user activity sequences across multiple applications at a billion-scale visual…

This study introduces bifurcated attention, a method designed to enhance language model inference in shared-context batch decoding scenarios. Our approach addresses the challenge of redundant memory IO costs, a critical factor contributing…

With the rapid growth of internet technologies, Web has become a huge repository of information and keeps growing exponentially under no editorial control. However the human capability to read, access and understand Web content remains…

数据库 · 计算机科学 2011-11-11 C. Ramesh , K. V. Chalapati Rao , A. Govardhan

Unexpected stimuli induce "error" or "surprise" signals in the brain. The theory of predictive coding promises to explain these observations in terms of Bayesian inference by suggesting that the cortex implements variational inference in a…

机器学习 · 统计学 2024-10-18 Eli Sennesh , Hao Wu , Tommaso Salvatori

In recent years, foundational models have revolutionized the fields of language and vision, demonstrating remarkable abilities in understanding and generating complex data; however, similar advances in user behavior modeling have been…

信息检索 · 计算机科学 2025-05-26 Jiahui Gong , Jingtao Ding , Fanjin Meng , Chen Yang , Hong Chen , Zuojian Wang , Haisheng Lu , Yong Li

Within the domain of data mining, one critical objective is the discovery of sequential rules with high utility. The goal is to discover sequential rules that exhibit both high utility and strong confidence, which are valuable in real-world…

数据库 · 计算机科学 2026-02-02 Chunkai Zhang , Jiarui Deng , Maohua Lyu , Wensheng Gan , Philip S. Yu

In e-commerce industry, user behavior sequence data has been widely used in many business units such as search and merchandising to improve their products. However, it is rarely used in financial services not only due to its 3V…

机器学习 · 计算机科学 2021-01-13 Wei Min , Weiming Liang , Hang Yin , Zhurong Wang , Mei Li , Alok Lal

Multi-step passenger demand forecasting is a crucial task in on-demand vehicle sharing services. However, predicting passenger demand over multiple time horizons is generally challenging due to the nonlinear and dynamic spatial-temporal…

机器学习 · 计算机科学 2019-05-27 Lei Bai , Lina Yao , Salil. S Kanhere , Xianzhi Wang , Quan. Z Sheng