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Competitive program generation aims to automatically produce correct and efficient solutions for programming-contest problems under strict time and memory constraints. Existing LLM-based approaches often fail to perform explicit algorithmic…

软件工程 · 计算机科学 2026-05-05 Minnan Wei , Xiang Chen , Xiaoshuai Niu , Siyu Chen

Routing algorithms for public transport, particularly the widely used RAPTOR and its variants, often face performance bottlenecks during the transfer relaxation phase, especially on dense transfer graphs, when supporting unlimited…

数据结构与算法 · 计算机科学 2026-05-27 Andrii Rohovyi , Abdallah Abuaisha , Toby Walsh

Large Language Models (LLMs) have revolutionized natural language processing, but their varying capabilities and costs pose challenges in practical applications. LLM routing addresses this by dynamically selecting the most suitable LLM for…

机器学习 · 计算机科学 2025-09-10 Pranoy Panda , Raghav Magazine , Chaitanya Devaguptapu , Sho Takemori , Vishal Sharma

Transport is an important function of networks. Studying transport efficiency sheds light on the dynamic processes occurring within various underlying structures and offers a wide range of applications. To construct networks with different…

混沌动力学 · 物理学 2025-03-27 Zhenhua Yuan , Junhao Peng , Long Gao

Large Language Models (LLMs) excel at multi-step reasoning, yet increasing the structural complexity of inference does not consistently improve system-level returns. Methods such as Tree of Thoughts (ToT), Graph of Thoughts (GoT), and…

计算与语言 · 计算机科学 2026-03-09 Yuhang Liu , Ruijie Wang , Yunlong Chu , Bing Hao , Yumeng Lin , Shengzhong Liu , Minglai Shao

In modern transportation systems, an enormous amount of traffic data is generated every day. This has led to rapid progress in short-term traffic prediction (STTP), in which deep learning methods have recently been applied. In traffic…

机器学习 · 计算机科学 2020-09-03 Kyungeun Lee , Moonjung Eo , Euna Jung , Yoonjin Yoon , Wonjong Rhee

Accurate and reliable travel time predictions in public transport networks are essential for delivering an attractive service that is able to compete with other modes of transport in urban areas. The traditional application of this…

机器学习 · 统计学 2021-04-15 Niklas Christoffer Petersen , Filipe Rodrigues , Francisco Camara Pereira

Traffic forecasting is crucial for intelligent transportation systems (ITS), aiding in efficient resource allocation and effective traffic control. However, its effectiveness often relies heavily on abundant traffic data, while many cities…

机器学习 · 计算机科学 2024-02-27 Zhanyu Liu , Guanjie Zheng , Yanwei Yu

Recent advances demonstrate that increasing inference-time computation can significantly boost the reasoning capabilities of large language models (LLMs). Although repeated sampling (i.e., generating multiple candidate outputs) is a highly…

人工智能 · 计算机科学 2025-11-10 Yuichi Inoue , Kou Misaki , Yuki Imajuku , So Kuroki , Taishi Nakamura , Takuya Akiba

Despite their outstanding capabilities, large language models (LLMs) are prone to hallucination and producing factually incorrect information. This challenge has spurred efforts in attributed text generation, which prompts LLMs to generate…

计算与语言 · 计算机科学 2025-06-23 Junyi Li , Hwee Tou Ng

We study the journey planning problem for multimodal networks consisting of public transit and a non-schedule-based transfer mode (e.g., walking, bicycle, e-scooter). So far, all efficient algorithms for this problem either restrict usage…

数据结构与算法 · 计算机科学 2021-10-26 Moritz Potthoff , Jonas Sauer

Tabular data is arguably one of the most commonly used data structures in various practical domains, including finance, healthcare and e-commerce. The inherent heterogeneity allows tabular data to store rich information. However, based on a…

机器学习 · 计算机科学 2023-06-01 Kuan-Yu Chen , Ping-Han Chiang , Hsin-Rung Chou , Ting-Wei Chen , Tien-Hao Chang

This paper proposes multiple extensions to the popular bicriterion transit routing approach -- Trip-Based Transit Routing (TBTR). Specifically, building on the premise of the HypRAPTOR algorithm, we first extend TBTR to its partitioning…

数据结构与算法 · 计算机科学 2022-03-01 Prateek Agarwal , Tarun Rambha

Looped Language Models (LoopLMs) perform multi-step latent reasoning prior to token generation and outperform conventional LLMs on reasoning benchmarks at smaller parameter budgets. However, attempts to further improve LoopLM reasoning with…

机器学习 · 计算机科学 2026-05-29 Jonathan Williams , Esin Tureci

The integration of autonomous vehicles into urban and highway environments necessitates the development of robust and adaptable behavior planning systems. This study presents an innovative approach to address this challenge by utilizing a…

机器人学 · 计算机科学 2023-10-19 Qianfeng Wen , Zhongyi Gong , Lifeng Zhou , Zhongshun Zhang

This paper presents a novel learning-based trajectory planning framework for quadrotors that combines model-based optimization techniques with deep learning. Specifically, we formulate the trajectory optimization problem as a quadratic…

机器人学 · 计算机科学 2023-12-05 Yuwei Wu , Xiatao Sun , Igor Spasojevic , Vijay Kumar

Path planning is a crucial algorithmic approach for designing robot behaviors. Sampling-based approaches, like rapidly exploring random trees (RRTs) or probabilistic roadmaps, are prominent algorithmic solutions for path planning problems.…

机器人学 · 计算机科学 2022-08-05 T. Dam , G. Chalvatzaki , J. Peters , J. Pajarinen

Lane-free traffic environments allow vehicles to better harness the lateral capacity of the road without being restricted to lane-keeping, thereby increasing the traffic flow rates. As such, we have a distinct and more challenging setting…

Trajectory prediction is a pivotal component of autonomous driving systems, enabling the application of accumulated movement experience to current scenarios. Although most existing methods concentrate on learning continuous representations…

计算机视觉与模式识别 · 计算机科学 2024-10-04 Hang Guo , Yuzhen Zhang , Tianci Gao , Junning Su , Pei Lv , Mingliang Xu

Fleets of robo-taxis offering on-demand transportation services, commonly known as Autonomous Mobility-on-Demand (AMoD) systems, hold significant promise for societal benefits, such as reducing pollution, energy consumption, and urban…