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Small base stations (SBs) of fifth-generation (5G) cellular networks are envisioned to have storage devices to locally serve requests for reusable and popular contents by \emph{caching} them at the edge of the network, close to the end…

信号处理 · 电气工程与系统科学 2018-12-24 Alireza Sadeghi , Fatemeh Sheikholeslami , Antonio G. Marques , Georgios B. Giannakis

An efficient caching can be achieved by predicting the popularity of the files accurately. It is well known that the popularity of a file can be nudged by using recommendation, and hence it can be estimated accurately leading to an…

信息论 · 计算机科学 2023-07-21 S. Krishnendu , B. N. Bharath , Vimal Bhatia

Recent research has employed reinforcement learning (RL) algorithms to optimize long-term user engagement in recommender systems, thereby avoiding common pitfalls such as user boredom and filter bubbles. They capture the sequential and…

信息检索 · 计算机科学 2023-01-25 Romain Deffayet , Thibaut Thonet , Jean-Michel Renders , Maarten de Rijke

The growth of the World Wide Web has emphasized the need for improvement in user latency. One of the techniques that are used for improving user latency is Caching and another is Web Prefetching. Approaches that bank solely on caching offer…

网络与互联网体系结构 · 计算机科学 2011-02-04 Debajyoti Mukhopadhyay , Priyanka Mishra , Dwaipayan Saha , Young-Chon Kim

A novel non-orthogonal multiple access (NOMA) based cache-aided mobile edge computing (MEC) framework is proposed. For the purpose of efficiently allocating communication and computation resources to users' computation tasks requests, we…

信号处理 · 电气工程与系统科学 2019-06-24 Zhong Yang , Yuanwei Liu , Yue Chen , Naofal Al-Dhahir

Caching has been successfully applied in wired networks, in the context of Content Distribution Networks (CDNs), and is quickly gaining ground for wireless systems. Storing popular content at the edge of the network (e.g. at small cells) is…

网络与互联网体系结构 · 计算机科学 2018-05-18 Theodoros Giannakas , Pavlos Sermpezis , Thrasyvoulos Spyropoulos

Predicting the current backlog, or traffic load, in framed-ALOHA networks enables the optimization of resource allocation, e.g., of the frame size. However, this prediction is made difficult by the lack of information about the cardinality…

网络与互联网体系结构 · 计算机科学 2019-07-26 Nan Jiang , Yansha Deng , Osvaldo Simeone , Arumugam Nallanathan

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

The surging demand for high-definition video streaming services and large neural network models (e.g., Generative Pre-trained Transformer, GPT) implies a tremendous explosion of Internet traffic. To mitigate the traffic pressure,…

人工智能 · 计算机科学 2023-03-15 Jianhang Zhu , Rongpeng Li , Xianfu Chen , Shiwen Mao , Jianjun Wu , Zhifeng Zhao

Content caching in small base stations or wireless infostations is considered to be a suitable approach to improve the efficiency in wireless content delivery. Placing the optimal content into local caches is crucial due to storage…

网络与互联网体系结构 · 计算机科学 2017-05-11 Sabrina Müller , Onur Atan , Mihaela van der Schaar , Anja Klein

Coded caching is effective in leveraging the accumulated storage size in wireless networks by distributing different coded segments of each file in multiple cache nodes. This paper aims to find a wireless coded caching policy to minimize…

信号处理 · 电气工程与系统科学 2020-10-20 Zhe Zhang , Meixia Tao

Video caching can significantly improve backhaul traffic congestion by locally storing the popular content that users frequently request. A privacy-preserving method is desirable to learn how users' demands change over time. As such, this…

网络与互联网体系结构 · 计算机科学 2024-02-27 Md Ferdous Pervej , Andreas F Molisch

We propose a caching policy that uses a feedforward neural network (FNN) to predict content popularity. Our scheme outperforms popular eviction policies like LRU or ARC, but also a new policy relying on the more complex recurrent neural…

网络与互联网体系结构 · 计算机科学 2018-10-17 Vladyslav Fedchenko , Giovanni Neglia , Bruno Ribeiro

Retrieval augmented generation has emerged as an effective method to enhance large language model performance. This approach typically relies on an internal retrieval module that uses various indexing mechanisms to manage a static…

信息检索 · 计算机科学 2024-12-31 Guangxin He , Zonghong Dai , Jiangcheng Zhu , Binqiang Zhao , Qicheng Hu , Chenyue Li , You Peng , Chen Wang , Binhang Yuan

Optimizing resource allocation with predicted information has shown promising gain in boosting network performance and improving user experience. Earlier research efforts focus on optimizing proactive policies under the assumption of…

系统与控制 · 电气工程与系统科学 2020-05-20 Jiajun Wu , Chengjian Sun , Chenyang Yang

Recommendation system is able to shape user demands, which can be used for boosting caching gain. In this paper, we jointly optimize content caching and recommendation at base stations to maximize the caching gain meanwhile not compromising…

网络与互联网体系结构 · 计算机科学 2018-10-29 Dong Liu , Chenyang Yang

Model-based next state prediction and state value prediction are slow to converge. To address these challenges, we do the following: i) Instead of a neural network, we do model-based planning using a parallel memory retrieval system (which…

人工智能 · 计算机科学 2023-02-02 John Chong Min Tan , Mehul Motani

Integrating large language models (LLMs) as priors in reinforcement learning (RL) offers significant advantages but comes with substantial computational costs. We present a principled cache-efficient framework for posterior sampling with…

机器学习 · 计算机科学 2025-09-30 Ibne Farabi Shihab , Sanjeda Akter , Anuj Sharma

Interactive recommender systems can dynamically adapt to user feedback, but often suffer from content homogeneity and filter bubble effects due to overfitting short-term user preferences. While recent efforts aim to improve content…

信息检索 · 计算机科学 2026-05-12 Chongjun Xia , Yanchun Peng , Xianzhi Wang

The last decade has witnessed a tremendous growth in the volume as well as the diversity of multimedia content generated by a multitude of sources (news agencies, social media, etc.). Faced with a variety of content choices, consumers are…

多媒体 · 计算机科学 2015-03-25 Cem Tekin , Mihaela van der Schaar