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๐Ÿ” ruyi ji ๐Ÿ“‚ Computer Science
Showing 32 results for "ruyi ji" in Computer Science
Computer Science Preprint PDF DOI

Reducing Subpacketization in Device-to-Device Coded Caching via Heterogeneous File Splitting

Xiang Zhang, Giuseppe Caire, Mingyue Ji ยท 2026

The packet type (PT)-based framework~\cite{zhang2026taming} provides a systematic and principled approach to designing device-to-device (D2D) coded caching schemes that achieve reduced \sbp while presโ€ฆ

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Computer Science Preprint PDF DOI

Taming Subpacketization without Sacrificing Communication: A Packet Type-based Framework for D2D Coded Caching

Xiang Zhang, Giuseppe Caire, Mingyue Ji ยท 2026

Finite-length analysis is critical for bringing coded caching closer to practical deployment. In this work, we study the design of communication rate-optimal device-to-device (D2D) coded caching schemโ€ฆ

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Computer Science Preprint PDF DOI

Time Is All It Takes: Spike-Retiming Attacks on Event-Driven Spiking Neural Networks

Yi Yu, Qixin Zhang, Shuhan Ye, Xun Lin, Qianshan Wei, Kun Wang, Wenhan Yang, Dacheng Tao, Xudong Jiang ยท 2026

Spiking neural networks (SNNs) compute with discrete spikes and exploit temporal structure, yet most adversarial attacks change intensities or event counts instead of timing. We study a timing-only adโ€ฆ

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Computer Science Preprint PDF DOI

GRAPHIA: Harnessing Social Graph Data to Enhance LLM-Based Social Simulation

Jiarui Ji, Zehua Zhang, Zhewei Wei, Bin Tong, Guan Wang, Bo Zheng ยท 2025

Large language models (LLMs) have shown promise in simulating human-like social behaviors. Social graphs provide high-quality supervision signals that encode both local interactions and global networkโ€ฆ

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Computer Science Preprint PDF DOI

Bisimilarity and Simulatability of Processes Parameterized by Join Interactions

Clemens Grabmayer, Maurizio Murgia ยท 2025

Departing from Larsen's concept of parameterized bisimilarity of processes with respect to interaction with environments, we start an exploration of its natural weakening: bisimilarity of unrestrictedโ€ฆ

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Rectifying Privacy and Efficacy Measurements in Machine Unlearning: A New Inference Attack Perspective

Nima Naderloui, Shenao Yan, Binghui Wang, Jie Fu, Wendy Hui Wang, Weiran Liu, Yuan Hong ยท 2025

Machine unlearning focuses on efficiently removing specific data from trained models, addressing privacy and compliance concerns with reasonable costs. Although exact unlearning ensures complete data โ€ฆ

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Set-theoretic solution for the tuning problem

Vsevolod Vladimirovich Deriushkin ยท 2025

In this paper I want to suggest a new solution to the problem of musical tuning. On one hand, I see it as a generalization of Just Intonation (JI) to inharmonic timbers, on another, as a unification oโ€ฆ

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Computer Science Preprint PDF DOI

Purify Unlearnable Examples via Rate-Constrained Variational Autoencoders

Yi Yu, Yufei Wang, Song Xia, Wenhan Yang, Shijian Lu, Yap-Peng Tan, Alex C. Kot ยท 2024

Unlearnable examples (UEs) seek to maximize testing error by making subtle modifications to training examples that are correctly labeled. Defenses against these poisoning attacks can be categorized baโ€ฆ

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What are human values, and how do we align AI to them?

Oliver Klingefjord, Ryan Lowe, Joe Edelman ยท 2024

There is an emerging consensus that we need to align AI systems with human values (Gabriel, 2020; Ji et al., 2024), but it remains unclear how to apply this to language models in practice. We split thโ€ฆ

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RUI: A Web-based Road Updates Information System using Google Maps API

Benzar Glen S. Grepon, JC P. Margallo, Jonathan B. Maserin, Rio Al-Di A. Dompol ยท 2023

Knowing the current situation on every road in an area is still difficult to anticipate. Commuters, riders, and drivers are still dependent on road situations from a local news agency to be well inforโ€ฆ

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Dynamically Reconfigurable Variable-precision Sparse-Dense Matrix Acceleration in Tensorflow Lite

Jose Nunez-Yanez, Andres Otero, Eduardo de la Torre ยท 2023

In this paper, we present a dynamically reconfigurable hardware accelerator called FADES (Fused Architecture for DEnse and Sparse matrices). The FADES design offers multiple configuration options thatโ€ฆ

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On Cache-Aided Multi-User Private Information Retrieval with Small Caches

Charul Rajput, B. Sundar Rajan ยท 2022

In this paper, we propose a scheme for the problem of cache-aided multi-user private information retrieval with small caches, in which $K$ users are connected to $S$ non-colluding databases via sharedโ€ฆ

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FullPack: Full Vector Utilization for Sub-Byte Quantized Inference on General Purpose CPUs

Hossein Katebi, Navidreza Asadi, Maziar Goudarzi ยท 2022

Although prior art has demonstrated negligible accuracy drop in sub-byte quantization -- where weights and/or activations are represented by less than 8 bits -- popular SIMD instructions of CPUs do noโ€ฆ

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Ruya: Memory-Aware Iterative Optimization of Cluster Configurations for Big Data Processing

Jonathan Will, Lauritz Thamsen, Jonathan Bader, Dominik Scheinert, Odej Kao ยท 2022

Selecting appropriate computational resources for data processing jobs on large clusters is difficult, even for expert users like data engineers. Inadequate choices can result in vastly increased costโ€ฆ

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Three-user D2D Coded Caching with Two Random Requesters and One Sender

Wuqu Wang, Nan Liu, Wei Kang ยท 2022

In device-to-device (D2D) coded caching problems, it is possible that not all users will make file requests in the delivery phase. Hence, we propose a new D2D centralized coded caching problem, named โ€ฆ

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Responsible Urban Intelligence: Towards a Research Agenda

Rui Cao, Qi-Li Gao, Guoping Qiu ยท 2022

Acceleration of urbanisation is posing great challenges to sustainable development. Growing accessibility to big data and artificial intelligence (AI) technologies have revolutionised many fields and โ€ฆ

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Fuzzy-Logic Based IDS for Detecting Jamming Attacks in Wireless Mesh IoT Networks

Michael Savva, Iacovos Ioannou, Vasos Vassiliou ยท 2022

The investigation in this paper targets the design and the evaluation of jamming intrusion detection based on Fuzzy Logic in wireless mesh IoT Networks in a distributed manner. Our approach uses inforโ€ฆ

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Optimizing Performance and Satisfaction in Matching and Movement Tasks in Virtual Reality with Interventions Using the Data Visualization Literacy Framework

Andreas Bueckle, Kilian Buehling, Patrick C. Shih, Katy Borner ยท 2021

Virtual reality (VR) has seen increased use for training and instruction. Designers can enable VR users to gain insights into their own performance by visualizing telemetry data from their actions in โ€ฆ

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3D Virtual Reality vs. 2D Desktop Registration User Interface Comparison

Andreas Bueckle, Kilian Buehling, Patrick C. Shih, Katy Borner ยท 2021

Working with organs and extracted tissue blocks is an essential task in surgery and anatomy environments. To prepare specimens from human donors for analysis, wet-bench workers must dissect human tissโ€ฆ

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Improved approximation schemes for early work scheduling on identical parallel machines with common due date

Weidong Li ยท 2020

We study the early work scheduling problem on identical parallel machines in order to maximize the total early work, i.e., the parts of non-preemptive jobs executed before a common due date. By preproโ€ฆ

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