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🔍 cong liu 📂 Computer Science
Showing 4107 results for "cong liu" in Computer Science
Computer Science Preprint PDF DOI

Toward a Characterization of Simulation Between Arithmetic Theories

Hunter Monroe · 2026

We study when a sound arithmetic theory $\mathcal S{\supseteq}S^1_2$ with polynomial-time decidable axioms efficiently proves the bounded consistency statements $Con_{\mathcal S{+}\phi}(n)$ for a true…

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Computer Science Preprint PDF DOI

LATTICE: Evaluating Decision Support Utility of Crypto Agents

Aaron Chan, Tengfei Li, Tianyi Xiao, Angela Chen, Junyi Du, Xiang Ren · 2026

We introduce LATTICE, a benchmark for evaluating the decision support utility of crypto agents in realistic user-facing scenarios. Prior crypto agent benchmarks mainly focus on reasoning-based or outc…

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Computer Science Preprint PDF DOI

Hierarchical Long-Term Semantic Memory for LinkedIn's Hiring Agent

Zhentao Xu, Shangjing Zhang, Emir Poyraz, Yvonne Li, Ye Jin, Xie Lu, Xiaoyang Gu, Karthik Ramgopal, Praveen Kumar Bodigutla, Xiaofeng Wang · 2026

Large Language Model (LLM) agents are increasingly used in real-world products, where personalized and context-aware user interactions are essential. A central enabler of such capabilities is the agen…

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Computer Science Preprint PDF DOI

Clustering Permutations under the Ulam Metric: A Parameterized Complexity Study

Tian Bai, Fedor V. Fomin, Petr A. Golovach, Yash Hiren More, Simon Wietheger · 2026

Rank aggregation seeks a representative permutation for a collection of rankings and plays a central role in areas such as social choice, information retrieval, and computational biology. Two fundamen…

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Computer Science Preprint PDF DOI

Layerwise Convergence Fingerprints for Runtime Misbehavior Detection in Large Language Models

Nay Myat Min, Long H. Pham, Jun Sun · 2026

Large language models deployed at runtime can misbehave in ways that clean-data validation cannot anticipate: training-time backdoors lie dormant until triggered, jailbreaks subvert safety alignment, …

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Computer Science Preprint PDF DOI

Salca: A Sparsity-Aware Hardware Accelerator for Efficient Long-Context Attention Decoding

Wang Fan, Wei Cao, Xi Zha, Kedi Ma, MingQian Sun, Jialin Chen, Fengzhe Zhang, Fan Zhang · 2026

Long contexts improve capabilities of large language models but pose serious hardware challenges: compute and memory footprints grow linearly with sequence length. Particularly, the decoding phase con…

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Computer Science Preprint PDF DOI

Versioned Late Materialization for Ultra-Long Sequence Training in Recommendation Systems at Scale

Liang Guo, Ge Song, Litao Deng, Jianhui Sun, Chufeng Hu, Lu Zhang, Zhen Ma, Shouwei Chen, Weiran Liu, Sarang Masti Sreeshylan, Xiaoxuan Meng · 2026

Modern Deep Learning Recommendation Models (DLRMs) follow scaling laws with sequence length, driving the frontier toward ultra-long User Interaction History (UIH). However, the industry-standard "Fat …

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Computer Science Preprint PDF DOI

MatchRDMA: A Segmented and Rate-Matched Long-Haul RDMA Scheme for Geo-distributed LLM Training over OTN

Jun Dai, Xiaorun Wang, Xingde Li, Zheng Yang, Kexiong Fang, Zhiqun Gu, Hongxiang Wang, Yuefeng Ji, Jiawei Zhang · 2026

We propose MatchRDMA, a proactive, segmented, and rate-matched long-haul RDMA scheme for geo-distributed LLM training over OTN. By coordinating source and destination OTN rates, it improves inter-DC t…

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Computer Science Preprint PDF DOI

Reducing Detail Hallucinations in Long-Context Regulatory Understanding via Targeted Preference Optimization

Yang Liu, Bin Chong, Yuhan Lin, Chongyang Zhang, Hao Zheng, Ziyi Zhang, Jiayu Liang, Ran Ran, Qian Li, Kefu Xu · 2026

Large language models (LLMs) frequently produce \emph{detail hallucinations} when processing long regulatory documents, including subtle errors in threshold values, units, scopes, obligation levels, a…

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Computer Science Preprint PDF DOI

Within-person prediction of depressive symptom change using year-long Screenome data and CES-D assessments

Merve Cerit, Andrea Mock, Vryan Almanon Feliciano, Thomas N. Robinson, Byron Reeves, Nilam Ram, Nick Haber · 2026

Predicting whether an individual's depressive symptoms will worsen, remain stable, or improve over the coming weeks can enable earlier and more targeted care, yet prospective within-person trajectory …

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Computer Science Preprint PDF DOI

Ablation and the Meno: Tools for Empirical Metamathematics

Zhengqin Fan, Simon DeDeo · 2026

We present the results from Meno, a simple autoformalizer that proves theorems in Lean by systematically exploring the space of both formal and informal proofs, and tactic ablation, a new method for e…

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Computer Science Preprint PDF DOI

HGQ-LUT: Fast LUT-Aware Training and Efficient Architectures for DNN Inference

Chang Sun, Zhiqiang Que, Bakhtiar Zadeh, Qibin Liu, Kevin H. Alvarez, Wayne Luk, Maria Spiropulu · 2026

Lookup-table (LUT) based neural networks can deliver ultra-low latency and excellent hardware efficiency on FPGAs by mapping arithmetic operations directly onto the logic primitives. However, state-of…

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Computer Science Preprint PDF DOI

Can SOC Operators Explain their Decisions while Triaging Alarms? A Real-World Study

Jessica Moosmann, Irdin Pekaric, Giovanni Apruzzese · 2026

Security Operations Centers (SOCs) are pivotal in modern enterprises. Tasked to monitor complex network environments constantly under attack, SOCs can be active 24/7 and can include hundreds of operat…

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Computer Science Preprint PDF DOI

Kernelization Bounds for Constrained Coloring

Ishay Haviv · 2026

We study the kernel complexity of constraint satisfaction problems over a finite domain, parameterized by the number of variables, whose constraint language consists of two relations: the non-equality…

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Computer Science Preprint PDF DOI

Fundamental Tradeoff in Movable Antenna Systems: How Long to Move Before Transmission?

Guojie Hu, Qingqing Wu, Lipeng Zhu, Shanpu Shen · 2026

The movable antenna (MA) technology enables flexible reconfiguration of wireless channels through adaptive antenna deployment, offering significant potential for enhancing communication performance. H…

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Computer Science Preprint PDF DOI

Omission Constraints Decay While Commission Constraints Persist in Long-Context LLM Agents

Yeran Gamage · 2026

LLM agents deployed in production operate under operator-defined behavioral policies (system-prompt instructions such as prohibitions on credential disclosure, data exfiltration, and unauthorized outp…

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Computer Science Preprint PDF DOI

Coordinatewise Balanced Covering for Linear Gain Graphs, with an Application to Coset-List Min-2-Lin over Powers of Two

Faruk Alpay, Levent Sarioglu · 2026

We study a list-constrained extension of modular equation deletion over powers of two, called Coset-List Min-2-Lin$^{\pm}$ over $\mathbb{Z}/2^d\mathbb{Z}$. Each variable is restricted to a dyadic cose…

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Computer Science Preprint PDF DOI

Peeling Rotten Potatoes for a Faster Approximation of Convex Cover

Omrit Filtser, Tzalik Maimon, Ofir Yomtovyan · 2026

The minimum convex cover problem seeks to cover a polygon $P$ with the fewest convex polygons that lie within $P$. This problem is $\exists\mathbb R$-complete, and the best previously known algorithm,…

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Computer Science Preprint PDF DOI

Metastability-Containing Turing Machines

Johannes Bund, Amir Leshem, Moti Medina · 2026

Metastability is a spurious mode of operation in digital signals, where an electrical signal fails to settle into a stable state within a specified time, leading to uncertainty and potentially failing…

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Computer Science Preprint PDF DOI

Visual Inception: Compromising Long-term Planning in Agentic Recommenders via Multimodal Memory Poisoning

Jiachen Qian · 2026

The evolution from static ranking models to Agentic Recommender Systems (Agentic RecSys) empowers AI agents to maintain long-term user profiles and autonomously plan service tasks. While this paradigm…

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