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🔍 lewis evans 📂 Computer Science
Showing 126 results for "lewis evans" in Computer Science
Computer Science Preprint PDF DOI

Defeasible Conditional Obligation in a Two-tiered Preference-based Semantics (Extended Version)

Xavier Parent · 2026

In response to a concern raised by Horty, this paper develops a two-tiered, preference-based semantic framework for modeling defeasible conditional obligations. The paper extends a Hansson-Lewis style…

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Computer Science Preprint PDF DOI

Pay Attention to Sequence Split: Uncovering the Impacts of Sub-Sequence Splitting on Sequential Recommendation Models

Yizhou Dang, Yifan Wu, Minhan Huang, Chuang Zhao, Lianbo Ma, Guibing Guo, Xingwei Wang, Zhu Sun · 2026

Sub-sequence splitting (SSS) has been demonstrated as an effective approach to mitigate data sparsity in sequential recommendation (SR) by splitting a raw user interaction sequence into multiple sub-s…

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Computer Science Preprint PDF DOI

Profiling learners' affective engagement: Emotion AI, intercultural pragmatics, and language learning

Robert Godwin-Jones · 2026

Learning another language can be a highly emotional process, typically characterized by numerous frustrations and triumphs, big and small. For most learners, language learning does not follow a linear…

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Computer Science Preprint PDF DOI

Enabling mmWave Communications with VCSEL-Based Light-Emitting Reconfigurable Intelligent Surfaces

Rashid Iqbal, Dimitrios Bozanis, Dimitrios Tyrovolas, Christos K. Liaskos, Muhammad Ali Imran, George K. Karagiannidis, Hanaa Abumarshoud · 2026

This paper proposes a light-emitting reconfigurable intelligent surface (LeRIS) architecture that integrates vertical cavity surface-emitting lasers (VCSELs) to jointly support user localization and m…

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Computer Science Preprint PDF DOI

The Forward-In-Time-Only Assumption in SmartNIC Resource Management: A Critique of Wave and the Case for Bilateral Interaction

Paul Borrill · 2026

The datacenter industry is converging on SmartNIC-based resource management. Wave (Humphries et al., ASPLOS '25) demonstrates the practical feasibility of offloading kernel thread scheduling, memory m…

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Computer Science Preprint PDF DOI

Topological Semantics for Common Inductive Knowledge

Siddharth Namachivayam · 2026

Consider a community of scientists whose labs are each capable of conducting a different set of experiments. The scientists want to work together to confirm a new hypothesis, but to ensure blindness, …

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Computer Science Preprint PDF DOI

Evaluating Retrieval-Augmented Generation Variants for Natural Language-Based SQL and API Call Generation

Michael Marketsmuller, Simon Martin, Tim Schlippe · 2026

Enterprise systems increasingly require natural language interfaces that can translate user requests into structured operations such as SQL queries and REST API calls. While large language models (LLM…

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Computer Science Preprint PDF DOI

Totalitarian Technics: The Hidden Cost of AI Scribes in Healthcare

Hugh Brosnahan · 2025

Artificial intelligence (AI) scribes, systems that record and summarise patient-clinician interactions, are promoted as solutions to administrative overload. This paper argues that their significance …

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Computer Science Preprint PDF DOI

Explainability Requirements as Hyperproperties

Bernd Finkbeiner, Julian Siber · 2025

Explainability is emerging as a key requirement for autonomous systems. While many works have focused on what constitutes a valid explanation, few have considered formalizing explainability as a syste…

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Computer Science Preprint PDF DOI

Integrated Localization, Mapping, and Communication through VCSEL-Based Light-emitting RIS (LeRIS)

Rashid Iqbal, Dimitrios Bozanis, Dimitrios Tyrovolas, Christos K. Liaskos, Muhammad Ali Imran, George K. Karagiannidis, Hanaa Abumarshoud · 2025

This paper presents a light-emitting reconfigurable intelligent surface (LeRIS) architecture that integrates vertical cavity surface emitting lasers (VCSELs) to jointly support user localization, obst…

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Computer Science Preprint PDF DOI

The Computational Complexity of Almost Stable Clustering with Penalties

Kamyar Khodamoradi, Farnam Mansouri, Sandra Zilles · 2025

We investigate the complexity of stable (or perturbation-resilient) instances of $\mathrm{k-M\small{EANS}}$ and $\mathrm{k-M\small{EDIAN}}$ clustering problems in metrics with small doubling dimension…

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Computer Science Preprint PDF DOI

Who Leads in the Shadows? ERGM and Centrality Analysis of Congressional Democrats on Bluesky

Gordon Hew, Ian McCulloh · 2025

Following the 2024 U.S. presidential election, Democratic lawmakers and their supporters increasingly migrated from mainstream social media plat-forms like X (formerly Twitter) to decentralized altern…

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Computer Science Preprint PDF DOI

Noise Quantification and Control in Circuits via Strong Data-Processing Inequalities

Chenyang Sun · 2025

This essay explores strong data-processing inequalities (SPDI's) as they appear in the work of Evans and Schulman \cite{ES} and von Neumann \cite{vN} on computing with noisy circuits. We first develop…

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Computer Science Preprint PDF DOI

Bi-LSTM based Multi-Agent DRL with Computation-aware Pruning for Agent Twins Migration in Vehicular Embodied AI Networks

Yuxiang Wei, Zhuoqi Zeng, Yue Zhong, Jiawen Kang, Ryan Wen Liu, M. Shamim Hossain · 2025

With the advancement of large language models and embodied Artificial Intelligence (AI) in the intelligent transportation scenarios, the combination of them in intelligent transportation spawns the Ve…

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Computer Science Preprint PDF DOI

The Rate-Immediacy Barrier in Explicit Tree Code Constructions

Gil Cohen, Leonard J. Schulman, Piyush Srivastava · 2025

Since the introduction of tree codes by Schulman (STOC 1993), explicit construction of such codes has remained a notorious challenge. While the construction of asymptotically-good explicit tree codes …

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Computer Science Preprint PDF DOI

ESANS: Effective and Semantic-Aware Negative Sampling for Large-Scale Retrieval Systems

Haibo Xing, Kanefumi Matsuyama, Hao Deng, Jinxin Hu, Yu Zhang, Xiaoyi Zeng · 2025

Industrial recommendation systems typically involve a two-stage process: retrieval and ranking, which aims to match users with millions of items. In the retrieval stage, classic embedding-based retrie…

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Computer Science Preprint PDF DOI

A modal logic translation of the AGM axioms for belief revision

Giacomo Bonanno · 2025

Building on the analysis of Bonanno (Artificial Intelligence, 2025) we introduce a simple modal logic containing three modal operators: a unimodal belief operator, a bimodal conditional operator and t…

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Computer Science Preprint PDF DOI

Regularized Dikin Walks for Sampling Truncated Logconcave Measures, Mixed Isoperimetry and Beyond Worst-Case Analysis

Minhui Jiang, Yuansi Chen · 2024

We study the problem of drawing samples from a logconcave distribution truncated on a polytope, motivated by computational challenges in Bayesian statistical models with indicator variables, such as p…

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Computer Science Preprint PDF DOI

Location-Driven Programmable Wireless Environments through Light-emitting RIS (LeRIS)

Dimitrios Bozanis, Dimitrios Tyrovolas, Vasilis K. Papanikolaou, Sotiris A. Tegos, Panagiotis D. Diamantoulakis, Christos K. Liaskos, Robert Schober, George K. Karagiannidis · 2024

As 6G wireless networks seek to enable robust and dynamic programmable wireless environments (PWEs), reconfigurable intelligent surfaces (RISs) have emerged as a cornerstone for controlling electromag…

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Computer Science Preprint PDF DOI

Testing and validation of innovative eXtended Reality technologies for astronaut training in a partial-gravity parabolic flight campaign

Florian Saling, Andrea Emanuele Maria Casini, Andreas Treuer, Martial Costantini, Leonie Bensch, Tommy Nilsson, Lionel Ferra · 2024

The use of eXtended Reality (XR) technologies in the space domain has increased significantly over the past few years as it can offer many advantages when simulating complex and challenging environmen…

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