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🔍 sam greydanus 📂 Computer Science
Showing 2023 results for "sam greydanus" in Computer Science
Computer Science Preprint PDF DOI

Towards a Frugal Photosynthesis Sensing Toolkit for Data-Driven Plant Science Education and Exploration

Qitong Li, Raj Nileshbhai Dave, Rhema Amanda Phiri, Leo Zhang, Xiaoyu Zheng, Ariana Blake, Livia Ford, Sarah Jones, Susan R. Strickler, Nivedita Arora · 2026

Rapid environmental change and advances in data-driven analysis highlight the need not only to use computational tools, but also to foster understanding of the natural world and inspire creativity. Ph…

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Computer Science Preprint PDF DOI

ClayScape: A GenAI-Supported Workflow for Designing Chinese Style Ceramics with Clay 3D Printing

Sijia Liu, Hoi Ching Silvester Mok, Long Ling, Tobias Klein, Ray LC · 2026

Chinese ceramic-making involves complex and interdependent steps, making it technically demanding. Digital fabrication methods attempt to make the process more accessible, but for craft-creators, tech…

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Computer Science Preprint PDF DOI

Mono2Sls: Automated Monolith-to-Serverless Migration via Multi-Stage Pipeline with Static Analysis

Xingyan Chen, Yuxin Su, Zishan Su, Yang Yu, Zibin Zheng · 2026

Cloud computing platforms offer elastic scaling, managed infrastructure, and pay-per-use pricing, but moving existing monolithic backends to them remains a difficult software engineering task. In prac…

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Computer Science Preprint PDF DOI

Near-Optimal Heaps and Dijkstra on Pointer Machines

Ivor van der Hoog, John Iacono, Eva Rotenberg, Daniel Rutschmann · 2026

A heap is a dynamic data structure that stores a set of labeled values under the following operations: pop returns the minimum value of the heap, Push($x_i$) pushes a new value $x_i$ onto the heap, an…

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Computer Science Preprint PDF DOI

Reconstructive Authority Model: Runtime Execution Validity Under Partial Observability

Marcelo Fernandez - TraslaIA · 2026

Autonomous systems increasingly operate under partial observability where execution-relevant state is never fully accessible. Existing governance mechanisms -- trusted execution environments, oracle-s…

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Computer Science Preprint PDF DOI

From Tokens to Concepts: Leveraging SAE for SPLADE

Yuxuan Zong, Mathias Vast, Basile Van Cooten, Laure Soulier, Benjamin Piwowarski · 2026

Learned Sparse IR models, such as SPLADE, offer an excellent efficiency-effectiveness tradeoff. However, they rely on the underlying backbone vocabulary, which might hinder performance (polysemicity a…

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Computer Science Preprint PDF DOI

Onyx: Cost-Efficient Disk-Oblivious ANN Search

Deevashwer Rathee, Jean-Luc Watson, Zirui Neil Zhao, G. Edward Suh, Raluca Ada Popa · 2026

Approximate nearest neighbor (ANN) search in AI systems increasingly handles sensitive data on third-party infrastructure. Trusted execution environments (TEEs) offer protection, but cost-efficient de…

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Computer Science Preprint PDF DOI

TL-RL-FusionNet: An Adaptive and Efficient Reinforcement Learning-Driven Transfer Learning Framework for Detecting Evolving Ransomware Threats

Jannatul Ferdous, Rafiqul Islam, Arash Mahboubi, Md Zahidul Islam · 2026

Modern ransomware exhibits polymorphic and evasive behaviors by frequently modifying execution patterns to evade detection. This dynamic nature disrupts feature spaces and limits the effectiveness of …

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Computer Science Preprint PDF DOI

Faster Linear-Space Data Structures for Path Frequency Queries

Ovidiu Rata · 2026

We present linear-space data structures for several frequency queries on trees, namely: path mode, path least frequent element, and path $\alpha$-minority queries. We present the first linear-space da…

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Computer Science Preprint PDF DOI

Committed SAE-Feature Traces for Audited-Session Substitution Detection in Hosted LLMs

Ziyang Liu · 2026

Hosted-LLM providers have a silent-substitution incentive: advertise a stronger model while serving cheaper replies. Probe-after-return schemes such as SVIP leave a parallel-serve side-channel, since …

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Computer Science Preprint PDF DOI

Atomic Decision Boundaries: A Structural Requirement for Guaranteeing Execution-Time Admissibility in Autonomous Systems

Marcelo Fernandez (TraslaIA) · 2026

Autonomous systems increasingly execute actions that directly modify shared state, creating an urgent need for precise control over which transitions are permitted to occur. Existing governance mechan…

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Computer Science Preprint PDF DOI

enclawed: A Configurable, Sector-Neutral Hardening Framework for Single-User AI Assistant Gateways

Alfredo Metere · 2026

We present enclawed, a hard-fork hardening framework built on top of the OpenClaw single-user personal artificial intelligence (AI) assistant gateway. enclawed targets deployments that need attestable…

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Computer Science Preprint PDF DOI

Towards Deep Encrypted Training: Low-Latency, Memory-Efficient, and High-Throughput Inference for Privacy-Preserving Neural Networks

Nges Brian Njungle, Eric Jahns, Michel A. Kinsy · 2026

Privacy-preserving machine learning (PPML) has become increasingly important in applications where sensitive data must remain confidential. Homomorphic Encryption (HE) enables computation directly on …

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Computer Science Preprint PDF DOI

Low-Stack HAETAE for Memory-Constrained Microcontrollers

Gustavo Banegas (LIX, GRACE), Kim Youngbeom, Seo Seog Chung, Vredendaal Christine Van · 2026

We present a low-stack implementation of the module-lattice signature scheme HAETAE, targeting microcontrollers with 8 kB-16 kB of available SRAM. On such devices, peak stack usage is often the bindin…

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Computer Science Preprint PDF DOI

Engineering Resource-constrained Software Systems with DNN Components: a Concept-based Pruning Approach

Federico Formica, Andrea Rota, Aurora Francesca Zanenga, Andrea Bombarda, Mark Lawford, Lionel C. Briand, Claudio Menghi · 2026

Deep Neural Networks (DNNs) are widely used by engineers to solve difficult problems that require predictive modeling from data. However, these models are often massive, with millions or billions of p…

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Computer Science Preprint PDF DOI

City-Scale Visibility Graph Analysis via GPU-Accelerated HyperBall

Alex Hodge, Melissa Barrientos Trinanes · 2026

Visibility Graph Analysis (VGA) is a key space syntax method for understanding how spatial configuration shapes human movement, but its reliance on all-pairs BFS computation limits practical applicati…

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Computer Science Preprint PDF DOI

DeepForestSound: a multi-species automatic detector for passive acoustic monitoring in African tropical forests, a case study in Kibale National Park

Gabriel Dubus, Theau d'Audiffret, Claire Auger, Raphael Cornette, Sylvain Haupert, Innocent Kasekendi, Raymond Katumba, Hugo Magaldi, Lise Pernel, Harold Rugonge, Jerome Sueur, John Justice Tibesigwa, Sabrina Krief · 2026

Passive Acoustic Monitoring (PAM) is widely used for biodiversity assessment. Its application in African tropical forests is limited by scarce annotated data, reducing the performance of general-purpo…

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Computer Science Preprint PDF DOI

Energy Saving for Cell-Free Massive MIMO Networks: A Multi-Agent Deep Reinforcement Learning Approach

Qichen Wang, Keyu Li, Ozan Alp Topal, Ozlem Tugfe Demir, Mustafa Ozger, Cicek Cavdar · 2026

This paper focuses on energy savings in downlink operation of cell-free massive MIMO (CF mMIMO) networks under dynamic traffic conditions. We propose a multi-agent deep reinforcement learning (MADRL) …

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Computer Science Preprint PDF DOI

PSR2: A Phase-based Semantic Reasoning Framework for Atomicity Violation Detection via Contract Refinement

Xiaoqi Li, Xin Wang, Wenkai Li, Zongwei Li · 2026

With the rapid advancement of decentralized applications, smart contract security faces severe challenges, particularly regarding atomicity violations in complex logic such as Oracle and NFT contracts…

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Computer Science Preprint PDF DOI

Multilevel Coset Codes on Lattices

Leopold Bertholet, Chloe Makdad, Stephen Mackes, Daniel Chew, Matthew Robinson · 2026

This work introduces coset Bombe codes, a novel class of multilevel coset codes that generalize polar codes to dense lattice structures. By leveraging multilevel coding with non-binary codes designed …

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