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🔍 alex kogan 📂 Computer Science
Showing 441 results for "alex kogan" in Computer Science
Computer Science Preprint PDF DOI

Poisoning Learned Index Structures: Static and Dynamic Adversarial Attacks on ALEX

Allen Jue · 2026

Learned index structures achieve high performance by modeling the cumulative distribution function (CDF) of keys, but this reliance on data distributions introduces potential vulnerability to adversar…

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Computer Science Preprint PDF DOI

From Rights to Rites: Expectations Management in Smart-Home AI

Varad Vishwarupe, Ivan Flechais, Marina Jirotka, Nigel Shadbolt · 2026

Domestic voice assistants and smart-home devices are increasingly embedded in everyday routines, yet their ethics are often treated as an afterthought or delegated to compliance teams. To explore how …

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Computer Science Preprint PDF DOI

Packing Compact Subgraphs with Applications to Districting

Ho-Lin Chen, Po-Yu Chou, Prathamesh Dharangutte, Jie Gao, Shang-En Huang, Fang-Yi Yu · 2026

Packing disjoint subgraphs in a given graph is a fundamental problem with many applications. Motivated by political districting, we focus on connected subgraphs that are compact (e.g., having constant…

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Computer Science Preprint PDF DOI

Dominating Set with Quotas: Balancing Coverage and Constraints

Sobyasachi Chatterjee, Sushmita Gupta, Saket Saurabh, Sanjay Seetharaman, Anannya Upasana · 2026

We study a natural generalization of the classical \textsc{Dominating Set} problem, called \textsc{Dominating Set with Quotas} (DSQ). In this problem, we are given a graph \( G \), an integer \( k \),…

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Computer Science Preprint PDF DOI

DAG Projections: Reducing Distance and Flow Problems to DAGs

Bernhard Haeupler, Yonggang Jiang, Thatchaphol Saranurak · 2026

We show that every directed graph $G$ with $n$ vertices and $m$ edges admits a directed acyclic graph (DAG) with $m^{1+o(1)}$ edges, called a DAG projection, that can either $(1+1/\text{polylog} (n))$…

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Computer Science Preprint PDF DOI

APEX: Agent Payment Execution with Policy for Autonomous Agent API Access

Mohd Safwan Uddin, Mohammed Mouzam, Mohammed Imran, Syed Badar Uddin Faizan · 2026

Autonomous agents are moving beyond simple retrieval tasks to become economic actors that invoke APIs, sequence workflows, and make real-time decisions. As this shift accelerates, API providers need r…

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Computer Science Preprint PDF DOI

On the Construction of Recursively Differentiable Quasigroups and an Example of a Recursive $[4,2,3]_{26}$-Code

Petr Klimov · 2026

In 1998, E. Couselo, S. Gonz\'alez, V. T. Markov, and A. A. Nechaev introduced the notions of recursive codes and recursively differentiable quasigroups. They conjectured that recursive MDS codes of d…

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Computer Science Preprint PDF DOI

FLEX: Joint UL/DL and QoS-Aware Scheduling for Dynamic TDD in Industrial 5G and Beyond

Leonard Kleinberger, Michael Gundall, Hans D. Schotten · 2026

Industrial 5G deployments using Time Division Duplex (TDD) networks face a critical challenge: existing schedulers rely on static configuration of Uplink (UL) to Downlink (DL) resource ratios, failing…

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Computer Science Preprint PDF DOI

RUBICONe: Wireless RAFT-Unified Behaviors for Intervehicular Cooperative Operations and Negotiations

Zhenghua Hu, Tairan Dan, Zeyu Tao, Jiacheng Qian, Amedeo Morat, Lorenzo Romano, Alessandro Massafra, Hao Xu · 2026

Just as Caesar declared "alea iacta est" (the die is cast) upon crossing the Rubicone river, lane change decisions in autonomous vehicles also represent critical points of no return. RUBICONe addresse…

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Computer Science Preprint PDF DOI

AEX: Non-Intrusive Multi-Hop Attestation and Provenance for LLM APIs

Yongjie Guan · 2026

Hosted large language models are increasingly accessed through remote APIs, but the API boundary still offers little direct evidence that a returned output actually corresponds to the client-visible r…

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Computer Science Preprint PDF DOI

Deep Learning for Virtual Reality User Identification: A Benchmark

Davide Frizzo, Fabrizio Genilotti, David Petrovic, Arianna Stropeni, Francesco Borsatti, Davide Dalle Pezze, Riccardo De Monte, Manuel Barusco, Gian Antonio Susto · 2026

Virtual Reality (VR) applications require robust user identification systems to ensure secure access to equipment and protect worker identities. Motion tracking data from VR headsets and controllers h…

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Computer Science Preprint PDF DOI

Exploring Human-AI Collaboration in E-Textile Design: A Case Study on Flex Sensor Placement for Shoulder Motion Detection

Zhuchenyang Liu, Yao Zhang, Yalan He, Hilla Paasio, Changyi Li, Guna Semjonova, Yu Xiao · 2026

Flex sensors are widely used in e-textiles for detecting joint motions and, subsequently, full-body movements. A critical initial step in utilizing these sensors is determining the optimal placement o…

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Computer Science Preprint PDF DOI

The Spanning Ratio of the Directed $\Theta_6$-Graph is 5

Prosenjit Bose, Jean-Lou De Carufel, Darryl Hill, John Stuart · 2026

Given a finite set $P\subset\mathbb{R}^2$, the directed Theta-6 graph, denoted $\vec{\Theta}_6(P)$, is a well-studied geometric graph due to its close relationship with the Delaunay triangulation. The…

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Computer Science Preprint PDF DOI

FlexServe: A Fast and Secure LLM Serving System for Mobile Devices with Flexible Resource Isolation

Yinpeng Wu, Yitong Chen, Lixiang Wang, Jinyu Gu, Zhichao Hua, Yubin Xia · 2026

Device-side Large Language Models (LLMs) have witnessed explosive growth, offering higher privacy and availability compared to cloud-side LLMs. During LLM inference, both model weights and user data a…

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Computer Science Preprint PDF DOI

Challenges in Automatic Speech Recognition for Adults with Cognitive Impairment

Michelle Cohn, Alyssa Lanzi, Yui Ishihara, Chen-Nee Chuah, Georgia Zellou, Alyssa Weakley · 2026

Millions of people live with cognitive impairment from Alzheimer's disease and related dementias (ADRD). Voice-enabled smart home systems offer promise for supporting daily living but rely on automati…

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Computer Science Preprint PDF DOI

The Ghost in the Grammar: Methodological Anthropomorphism in AI Safety Evaluations

Mariana Lins Costa · 2026

This essay offers a philosophical analysis of the field of AI safety based on recent technical reports, with particular focus on Anthropic's study on "agentic misalignment" in frontier language models…

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Computer Science Preprint PDF DOI

On Voronoi diagrams in the Funk Conical Geometry

Aditya Acharya, Auguste Henry Gezalyan, David M. Mount, Danesh Sivakumar · 2026

The forward and reverse Funk weak metrics are fundamental distance functions on convex bodies that serve as the building blocks for the Hilbert and Thompson metrics. In this paper we study Voronoi dia…

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Computer Science Preprint PDF DOI

Flexi-NeurA: A Configurable Neuromorphic Accelerator with Adaptive Bit-Precision Exploration for Edge SNNs

Mohammad Farahani, Mohammad Rasoul Roshanshah, Saeed Safari · 2026

Neuromorphic accelerators promise unparalleled energy efficiency and computational density for spiking neural networks (SNNs), especially in edge intelligence applications. However, most existing plat…

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Computer Science Preprint PDF DOI

Leveraging Language Models to Discover Evidence-Based Actions for OSS Sustainability

Nafiz Imtiaz Khan, Vladimir Filkov · 2026

When successful, Open Source Software (OSS) projects create enormous value, but most never reach a sustainable state. Recent work has produced accurate models that forecast OSS sustainability, yet the…

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Computer Science Preprint PDF DOI

APEX-SQL: Talking to the data via Agentic Exploration for Text-to-SQL

Bowen Cao, Weibin Liao, Yushi Sun, Dong Fang, Haitao Li, Wai Lam · 2026

Text-to-SQL systems powered by Large Language Models have excelled on academic benchmarks but struggle in complex enterprise environments. The primary limitation lies in their reliance on static schem…

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