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In this study, we propose a method for identifying potential customers in targeted marketing by applying learning from positive and unlabeled data (PU learning). We consider a scenario in which a company sells a product and can observe only…

机器学习 · 计算机科学 2025-06-10 Masahiro Kato , Yuki Ikeda , Kentaro Baba , Takashi Imai , Ryo Inokuchi

Individual user profiles and interaction histories play a significant role in providing customized experiences in real-world applications such as chatbots, social media, retail, and education. Adaptive user representation learning by…

机器学习 · 计算机科学 2022-02-15 Ruixue Lian , Che-Wei Huang , Yuqing Tang , Qilong Gu , Chengyuan Ma , Chenlei Guo

As large language models (LLMs) become increasingly embedded in everyday applications, ensuring their alignment with the diverse preferences of individual users has become a critical challenge. Currently deployed approaches typically assume…

机器学习 · 计算机科学 2024-12-19 Katarzyna Kobalczyk , Claudio Fanconi , Hao Sun , Mihaela van der Schaar

Global optimization of access point (AP) assignment to user terminals requires efficient monitoring of user behavior, fast decision algorithms, efficient control signaling, and fast AP reassignment mechanisms. In this scenario, software…

网络与互联网体系结构 · 计算机科学 2024-03-28 Pablo Fondo-Ferreiro , Saber Mhiri , Cristina López-Bravo , Francisco Javier González-Castaño , Felipe Gil-Castiñeira

Users' clicks on Web search results are one of the key signals for evaluating and improving web search quality and have been widely used as part of current state-of-the-art Learning-To-Rank(LTR) models. With a large volume of search logs…

信息检索 · 计算机科学 2021-05-24 Jianghong Zhou , Sayyed M. Zahiri , Simon Hughes , Khalifeh Al Jadda , Surya Kallumadi , Eugene Agichtein

We propose an algorithm for change point monitoring in linear causal models that accounts for interventions. Through a special centralization technique, we can concentrate the changes arising from causal propagation across nodes into a…

机器学习 · 统计学 2025-06-10 Haijie Xu , Chen Zhang

Existing task-oriented conversational search systems heavily rely on domain ontologies with pre-defined slots and candidate value sets. In practical applications, these prerequisites are hard to meet, due to the emerging new user…

计算与语言 · 计算机科学 2023-05-09 Yuxia Wu , Tianhao Dai , Zhedong Zheng , Lizi Liao

One-time login process in conventional authentication systems does not guarantee that the identified user is the actual user throughout the session. However, it is necessary to re-verify the user identity periodically throughout a login…

密码学与安全 · 计算机科学 2018-03-07 Abbas Acar , Hidayet Aksu , A. Selcuk Uluagac , Kemal Akkaya

Fixed point networks are dynamic networks that encode stimuli via distinct output patterns. Although such networks are omnipresent in neural systems, their structures are typically unknown or poorly characterized. It is therefore valuable…

神经元与认知 · 定量生物学 2017-05-10 David Blaszka , Elischa Sanders , Jeffrey Riffell , Eli Shlizerman

In this work, we investigate the use of backscattered mm-wave radio signals for the joint tracking and recognition of identities of humans as they move within indoor environments. We build a system that effectively works with multiple…

信号处理 · 电气工程与系统科学 2021-02-19 Jacopo Pegoraro , Francesca Meneghello , Michele Rossi

Motivated by the goal of learning controllers for complex systems whose dynamics change over time, we consider the problem of designing control laws for systems that switch among a finite set of unknown discrete-time linear subsystems under…

系统与控制 · 电气工程与系统科学 2021-05-26 Monica Rotulo , Claudio De Persis , Pietro Tesi

Distributed parameter identification for large-scale multi-agent networks encounters challenges due to nonlinear dynamics and partial observations. Simultaneously, ensuring the stability is crucial for the robust identification of dynamic…

动力系统 · 数学 2024-01-09 Chunhui Li , Chengpu Yu

This paper focuses on analyzing the finite-time convergence of a nonlinear consensus algorithm for multi-agent networks with unknown inherent nonlinear dynamics. Due to the existence of the unknown inherent nonlinear dynamics, the stability…

最优化与控制 · 数学 2013-02-21 Yongcan Cao , Wei Ren

Complex data in social and natural sciences find effective representation through networks, wherein quantitative and categorical information can be associated with nodes and connecting edges. The internal structure of networks can be…

社会与信息网络 · 计算机科学 2024-08-07 Fabio Morea , Domenico De Stefano

In this paper, we propose a novel non-orthogonal multiple access (NOMA) scheme based on trellis-coded modulation (TCM). Different from those in the traditional code-domain NOMA, the incoming data streams of multiple users are jointly coded…

信息论 · 计算机科学 2019-06-26 Boya Di , Lingyang Song , Yonghui Li , Geoffrey Ye Li

The majority of systems rely on user authentication on passwords, but passwords have so many weaknesses and widespread use that easily raise significant security concerns, regardless of their encrypted form. Users hold the same password for…

In real-world social networks, there is an increasing interest in tracking the evolution of groups of users and detecting the various changes they are liable to undergo. Several approaches have been proposed for this. In studying these…

社会与信息网络 · 计算机科学 2019-03-20 Ziwei He , Etienne Gael Tajeuna , Shengrui Wang , Mohamed Bouguessa

Authentication is a task aiming to confirm the truth between data instances and personal identities. Typical authentication applications include face recognition, person re-identification, authentication based on mobile devices and so on.…

机器学习 · 统计学 2019-05-29 Jian Liang , Yuren Cao , Chenbin Zhang , Shiyu Chang , Kun Bai , Zenglin Xu

The advancement in deep learning and internet-of-things have led to diverse human sensing applications. However, distinct patterns in human sensing, influenced by various factors or contexts, challenge the generic neural network model's…

人工智能 · 计算机科学 2025-05-21 Sawinder Kaur , Avery Gump , Yi Xiao , Jingyu Xin , Harshit Sharma , Nina R Benway , Jonathan L Preston , Asif Salekin

Personalization is being applied to great extend in many systems. This paper presents a multi-dimensional user data model and its application in web search. Online and Offline activities of the user are tracked for creating the user model.…

信息检索 · 计算机科学 2013-06-20 Nithin K. Anil , Sharath Basil Kurian , Aby Abahai T , Surekha Mariam Varghese
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