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🔍 dinghao wu 📂 Computer Science
Showing 188 results for "dinghao wu" in Computer Science
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

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

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

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

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

ClusterFusion: Expanding Operator Fusion Scope for LLM Inference via Cluster-Level Collective Primitive

Xinhao Luo, Zihan Liu, Yangjie Zhou, Shihan Fang, Ziyu Huang, Yu Feng, Chen Zhang, Shixuan Sun, Zhenzhe Zheng, Jingwen Leng, Minyi Guo · 2025

Large language model (LLM) decoding suffers from high latency due to fragmented execution across operators and heavy reliance on off-chip memory for data exchange and reduction. This execution model l…

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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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Computer Science Preprint PDF DOI

Existence of 2-EFX Allocations of Chores

Jugal Garg, Aniket Murhekar · 2025

We study the fair division of indivisible chores among agents with additive disutility functions. We investigate the existence of allocations satisfying the popular fairness notion of envy-freeness up…

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Computer Science Preprint PDF DOI

Edge-weighted Matching in the Dark

Zhiyi Huang, Enze Sun, Xiaowei Wu, Jiahao Zhao · 2025

We present a $0.659$-competitive Quadratic Ranking algorithm for the Oblivious Bipartite Matching problem, a distribution-free version of Query-Commit Matching. This result breaks the $1-\frac{1}{e}$ …

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Computer Science Preprint PDF DOI

Online MMS Allocation for Chores

Jiaxin Song, Biaoshuai Tao, Wenqian Wang, Yuhao Zhang · 2025

We study the problem of fair division of indivisible chores among $n$ agents in an online setting, where items arrive sequentially and must be allocated irrevocably upon arrival. The goal is to produc…

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Computer Science Preprint PDF DOI

Tao-Technology for Teen Mobile Use: Harmonizing Adaptation, Autonomy, and Reflection

Pengyu Zhu, Janghee Cho · 2025

Adolescents' mobile technology use is often regulated through rigid control mechanisms that fail to account for their autonomy and natural usage patterns. Drawing on Taoist philosophy, particularly Wu…

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Computer Science Preprint PDF DOI

Nearly Tight Sample Complexity for Matroid Online Contention Resolution

Moran Feldman, Ola Svensson, Rico Zenklusen · 2025

Due to their numerous applications, in particular in Mechanism Design, Prophet Inequalities have experienced a surge of interest. They describe competitive ratios for basic stopping time problems wher…

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