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🔍 felix wu 📂 Computer Science
Showing 234 results for "felix wu" in Computer Science
Computer Science Preprint PDF DOI

FliX: Flipped-Indexing for Scalable GPU Queries and Updates

Rosina Kharal, Trevor Brown, Justus Henneberg, Felix Schuhknecht · 2026

GPU-based concurrent data structures (CDSs) achieve high throughput for read-only queries, but efficient support for dynamic updates on fully GPU-resident data remains challenging. Ordered CDSs (e.g.,…

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Computer Science Preprint PDF DOI

Intent Propagation Contrastive Collaborative Filtering

Haojie Li, Junwei Du, Guanfeng Liu, Feng Jiang, Yan Wang, Xiaofang Zhou · 2026

Disentanglement techniques used in collaborative filtering uncover interaction intents between nodes, improving the interpretability of node representations and enhancing recommendation performance. H…

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Computer Science Preprint PDF DOI

SelRoute: Query-Type-Aware Routing for Long-Term Conversational Memory Retrieval

Matthew McKee · 2026

Retrieving relevant past interactions from long-term conversational memory typically relies on large dense retrieval models (110M-1.5B parameters) or LLM-augmented indexing. We introduce SelRoute, a f…

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Computer Science Preprint PDF DOI

HELIX: Verified compilation of cyber-physical control systems to LLVM IR

Vadim Zaliva, Yannick Zakowski, Ilia Zaichuk, Valerii Huhnin, Calvin Beck, Irene Yoon, Steve Zdancewic · 2026

This paper presents the design of HELIX, an end-to-end verified code generation system with a focus on the intersection of high-performance and high-assurance numerical computing. The code generation …

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Computer Science Preprint PDF DOI

Function-Based Minimal Linear Codes over Galois Rings $\mathrm{GR}(p^{n}, \ell)$: Minimality Criteria and Infinite Constructions

Biplab Chatterjee, Sihem Mesnager, Ratnesh Kumar Mishra, Makhan Maji, Kalyan Hansda · 2026

In this paper, we extend a necessary and sufficient condition for a linear code over a Galois ring to be minimal and establish new bounds on the length of an $m$-dimensional minimal linear code. Bui…

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Computer Science Preprint PDF DOI

HELIX: Scaling Raw Audio Understanding with Hybrid Mamba-Attention Beyond the Quadratic Limit

Khushiyant, Param Thakkar · 2026

Audio representation learning typically evaluates design choices such as input frontend, sequence backbone, and sequence length in isolation. We show that these axes are coupled, and conclusions from …

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Computer Science Preprint PDF DOI

Non-GRS type Euclidean and Hermitian LCD codes and Their Applications for EAQECCs

Zhonghao Liang, Dongmei Huang, Qunying Liao, Cuiling Fan, Zhengchun Zhou · 2026

In recent years, the construction of non-GRS type linear codes has attracted considerable attention due to that they can effectively resist both the Sidelnikov-Shestakov attack and the Wieschebrink at…

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Computer Science Preprint PDF DOI

Single-Sample Bilateral Trade with a Broker

MohammadTaghi Hajiaghayi, Gary Peng, Suho Shin · 2026

We initiate the study of single-sample bilateral trade with a broker, drawing an analogy to the setting of single-sample bilateral trade without a broker considered in Babaioff et al. (2020) and Cai a…

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Computer Science Preprint PDF DOI

Explicit Almost-Optimal $\varepsilon$-Balanced Codes via Free Expander Walks

Jun-Ting Hsieh, Sidhanth Mohanty, Rachel Yun Zhang · 2026

We study the problem of constructing explicit codes whose rate and distance match the Gilbert-Varshamov bound in the low-rate, high-distance regime. In 2017, Ta-Shma gave an explicit family of codes w…

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Computer Science Preprint PDF DOI

WenetSpeech-Wu: Datasets, Benchmarks, and Models for a Unified Chinese Wu Dialect Speech Processing Ecosystem

Chengyou Wang, Mingchen Shao, Jingbin Hu, Zeyu Zhu, Hongfei Xue, Bingshen Mu, Xin Xu, Xingyi Duan, Binbin Zhang, Pengcheng Zhu, Chuang Ding, Xiaojun Zhang, Hui Bu, Lei Xie · 2026

Speech processing for low-resource dialects remains a fundamental challenge in developing inclusive and robust speech technologies. Despite its linguistic significance and large speaker population, th…

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Computer Science Preprint PDF DOI

A Practical 73/50 Approximation for Contiguous Monotone Moldable Job Scheduling

Klaus Jansen, Felix Ohnesorge · 2026

In moldable job scheduling, we are provided $m$ identical machines and $n$ jobs that can be executed on a variable number of machines. The execution time of each job depends on the number of machines …

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Computer Science Preprint PDF DOI

LeafTutor: An AI Agent for Programming Assignment Tutoring

Madison Bochard, Tim Conser, Alyssa Duran, Lazaro Martull, Pu Tian, Yalong Wu · 2025

High enrollment in STEM-related degree programs has created increasing demand for scalable tutoring support, as universities experience a shortage of qualified instructors and teaching assistants (TAs…

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Computer Science Preprint PDF DOI

FluxLab: Creating 3D Printable Shape-Changing Devices with Integrated Deformation Sensing

Hsuanling Lee, Jiakun Yu, Shurui Zheng, Te-Yen Wu, Liang He · 2025

We present FluxLab, a system comprising interactive tools for creating custom 3D-printable shape-changing devices with integrated deformation sensing. To achieve this, we propose a 3D printable nestin…

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Computer Science Preprint PDF DOI

Several classes of $p$-ary linear codes with few-weights derived from Weil sums

Mrinal Kanti Bose, Abhay Kumar Singh · 2025

Linear codes with few weights have been a significant area of research in coding theory for many years, due to their applications in secret sharing schemes, authentication codes, association schemes, …

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Computer Science Preprint PDF DOI

Proportional and Pareto-Optimal Allocation of Chores with Subsidy

Jugal Garg, Eklavya Sharma, Xiaowei Wu · 2025

We consider the problem of allocating $m$ indivisible chores among $n$ agents with possibly different weights, aiming for a solution that is both fair and efficient. Specifically, we focus on the clas…

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Computer Science Preprint PDF DOI

Algorithms and Lower Bounds for the Maximum Overlap of Two Polygons Under Translation

Mikkel Abrahamsen, Sujoy Bhore, Maike Buchin, Jacobus Conradi, Ce Jin, Andre Nusser, Carolin Rehs · 2025

A fundamental problem in shape matching and geometric similarity is computing the maximum area overlap between two polygons under translation. For general simple polygons, the best-known algorithm run…

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Computer Science Preprint PDF DOI

The Shape of Surprise: Structured Uncertainty and Co-Creativity in AI Music Tools

Eric Browne · 2025

Randomness plays a pivotal yet paradoxical role in computational music creativity: it can spark novelty, but unchecked chance risks incoherence. This paper presents a thematic review of contemporary A…

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Computer Science Preprint PDF DOI

Embedded Deep Learning for Bio-hybrid Plant Sensors to Detect Increased Heat and Ozone Levels

Till Aust, Christoph Karl Heck, Eduard Buss, Heiko Hamann · 2025

We present a bio-hybrid environmental sensor system that integrates natural plants and embedded deep learning for real-time, on-device detection of temperature and ozone level changes. Our system, bas…

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Computer Science Preprint PDF DOI

Four classes of LCD codes from (*)-(L,P)-twisted generalized Reed-Solomon codes

Zhonghao Liang, Qunying Liao · 2025

It's well-known that maximum distance separable codes (in short, MDS) and linear complementary dual (in short, LCD) codes are very important in coding theory and practice. In 2023, Yue et al. [25] con…

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Computer Science Preprint PDF DOI

Private Hyperparameter Tuning with Ex-Post Guarantee

Badih Ghazi, Pritish Kamath, Alexander Knop, Ravi Kumar, Pasin Manurangsi, Chiyuan Zhang · 2025

The conventional approach in differential privacy (DP) literature formulates the privacy-utility trade-off with a "privacy-first" perspective: for a predetermined level of privacy, a certain utility i…

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