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This paper studies an optimal control problem for continuous-time stochastic systems subject to reachability objectives specified in a subclass of metric interval temporal logic specifications, a temporal logic with real-time constraints.…

系统与控制 · 计算机科学 2015-04-21 Jie Fu , Ufuk Topcu

Emerging heterogeneous wireless architectures consist of a dense deployment of local-coverage wireless access points (APs) with high data rates, along with sparsely-distributed, large-coverage macro-cell base stations (BS). We design a…

信息论 · 计算机科学 2016-11-17 Jad Hachem , Nikhil Karamchandani , Suhas Diggavi

Edge-caching is recognized as an efficient technique for future cellular networks to improve network capacity and user-perceived quality of experience. To enhance the performance of caching systems, designing an accurate content request…

信号处理 · 电气工程与系统科学 2019-03-08 Sajad Mehrizi , Anestis Tsakmalis , Symeon Chatzinotas , Bjorn Ottersten

We consider synthesis of control policies that maximize the probability of satisfying given temporal logic specifications in unknown, stochastic environments. We model the interaction between the system and its environment as a Markov…

系统与控制 · 计算机科学 2014-05-01 Jie Fu , Ufuk Topcu

The design space of discrete-space diffusion or flow generative models are significantly less well-understood than their continuous-space counterparts, with many works focusing only on a simple masked construction. In this work, we aim to…

Increasing storage sizes and WiFi/Bluetooth capabilities of mobile devices have made them a good platform for opportunistic content sharing. In this work we propose a network model to study this in a setting with two characteristics: 1.…

网络与互联网体系结构 · 计算机科学 2014-09-25 Tiance Wang , Pan Hui , Sanjeev Kulkarni , Paul Cuff

In many fields where the main goal is to produce sequential forecasts for decision making problems, the good understanding of the contemporaneous relations among different series is crucial for the estimation of the covariance matrix. In…

计量经济学 · 经济学 2021-11-09 Bruno P. C. Levy , Hedibert F. Lopes

Motivated by the Internet-of-things and sensor networks for cyberphysical systems, the problem of dynamic sensor activation for the tracking of a time-varying process is examined. The tradeoff is between energy efficiency, which decreases…

系统与控制 · 计算机科学 2017-11-30 Arpan Chattopadhyay , Urbashi Mitra

News recommendation models often fall short in capturing users' preferences due to their static approach to user-news interactions. To address this limitation, we present a novel dynamic news recommender model that seamlessly integrates…

信息检索 · 计算机科学 2023-09-20 Qinghua Zhao

Most existing caching solutions for wireless networks rest on an unrealistic assumption that the file popularity distribution is perfectly known. In this paper, we consider optimal caching designs for perfect, imperfect and unknown file…

信息论 · 计算机科学 2019-04-15 Chencheng Ye , Ying Cui , Yang Yang , Rui Wang

Wireless caching has been widely recognized as a promising technique for efficient content delivery. In this paper, by taking different file secrecy levels into consideration, physical-layer security oriented content placement is optimized…

信息论 · 计算机科学 2018-09-11 Qian Yang , Hui-Ming Wang , Tong-Xing Zheng

Delays in public transport are common, often impacting users through prolonged travel times and missed transfers. Existing solutions for handling delays remain limited; backup plans based on historical data miss opportunities for earlier…

人工智能 · 计算机科学 2025-05-21 Abdallah Abuaisha , Bojie Shen , Daniel Harabor , Peter Stuckey , Mark Wallace

Design of distributed caching mechanisms is considered as an active area of research due to its promising solution in reducing data load in the backhaul link of a cellular network. In this paper, the problem of distributed content caching…

信息论 · 计算机科学 2020-10-14 S. Krishnendu , B. N. Bharath , Navneet Garg , Vimal Bhatia , Tharmalingam Ratnarajah

In this paper, the edge caching problem in fog radio access network (F-RAN) is investigated. By maximizing the overall cache hit rate, the edge caching optimization problem is formulated to find the optimal policy. Content popularity in…

网络与互联网体系结构 · 计算机科学 2019-02-28 Yanxiang Jiang , Miaoli Ma , Mehdi Bennis , Fu-Chun Zheng , Xiaohu You

While next-generation wireless communication networks intend leveraging edge caching for enhanced spectral efficiency, quality of service, end-to-end latency, content sharing cost, etc., several aspects of it are yet to be addressed to make…

网络与互联网体系结构 · 计算机科学 2020-09-17 Md Ferdous Pervej , Le Thanh Tan , Rose Qingyang Hu

This paper studies temporal planning in probabilistic environments, modeled as labeled Markov decision processes (MDPs), with user preferences over multiple temporal goals. Existing works reflect such preferences as a prioritized list of…

形式语言与自动机理论 · 计算机科学 2023-04-25 Lening Li , Hazhar Rahmani , Jie Fu

We present a case study applying learning-based distributionally robust model predictive control to highway motion planning under stochastic uncertainty of the lane change behavior of surrounding road users. The dynamics of road users are…

系统与控制 · 电气工程与系统科学 2022-11-08 Mathijs Schuurmans , Alexander Katriniok , Christopher Meissen , H. Eric Tseng , Panagiotis Patrinos

Effective caching is crucial for the performance of modern-day computing systems. A key optimization problem arising in caching -- which item to evict to make room for a new item -- cannot be optimally solved without knowing the future.…

机器学习 · 计算机科学 2021-06-29 Jakub Chłędowski , Adam Polak , Bartosz Szabucki , Konrad Zolna

Distributed systems often serve dynamic workloads and resource demands evolve over time. Such a temporal behavior stands in contrast to the static and demand-oblivious nature of most data structures used by these systems. In this paper, we…

分布式、并行与集群计算 · 计算机科学 2024-11-19 Arash Pourdamghani , Chen Avin , Robert Sama , Maryam Shiran , Stefan Schmid

Burst-Buffering is a promising storage solution that introduces an intermediate highthroughput storage buffer layer to mitigate the I/O bottleneck problem that the current High-Performance Computing (HPC) platforms suffer. The existing…

分布式、并行与集群计算 · 计算机科学 2022-10-17 Benbo Zha , Hong Shen