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Related papers: On Improving Local Search for Unsatisfiability

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We propose Large Neighborhood Prioritized Search (LNPS) for solving combinatorial optimization problems in Answer Set Programming (ASP). LNPS is a metaheuristic that starts with an initial solution and then iteratively tries to find better…

Artificial Intelligence · Computer Science 2024-05-21 Irumi Sugimori , Katsumi Inoue , Hidetomo Nabeshima , Torsten Schaub , Takehide Soh , Naoyuki Tamura , Mutsunori Banbara

The successful application of semantic segmentation technology in the real world has been among the most exciting achievements in the computer vision community over the past decade. Although the long-tailed phenomenon has been investigated…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Shan Li , Lu Yang , Pu Cao , Liulei Li , Huadong Ma

Reinforcement learning has recently gained traction as a means to improve combinatorial optimization methods, yet its effectiveness within local search metaheuristics specifically remains comparatively underexamined. In this study, we…

Machine Learning · Computer Science 2026-01-14 Yannick Molinghen , Augustin Delecluse , Renaud De Landtsheer , Stefano Michelini

In future energy systems characterized by significant shares of fluctuating renewable energy sources, there is a need for a fundamental change in electricity consumption. The energy system requires the ability to adapt to the intermittent…

Systems and Control · Electrical Eng. & Systems 2024-07-17 Thomas Dengiz , Andrea Raith , Max Kleinebrahm , Jonathan Vogl , Wolf Fichtner

The dominant trackers generate a fixed-size rectangular region based on the previous prediction or initial bounding box as the model input, i.e., search region. While this manner obtains promising tracking efficiency, a fixed-size search…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Jiawen Zhu , Xin Chen , Pengyu Zhang , Xinying Wang , Dong Wang , Wenda Zhao , Huchuan Lu

The advancement of large language models (LLMs) has significantly accelerated the development of search agents capable of autonomously gathering information through multi-turn web interactions. Various benchmarks have been proposed to…

This paper introduces Local Learner (2L), an algorithm for providing a set of reference strategies to guide the search for programmatic strategies in two-player zero-sum games. Previous learning algorithms, such as Iterated Best Response…

Machine Learning · Computer Science 2023-07-25 Rubens O. Moraes , David S. Aleixo , Lucas N. Ferreira , Levi H. S. Lelis

We discuss the topic of unsatisfiability proofs in SMT, particularly with reference to quantifier free non-linear real arithmetic. We outline how the methods here do not admit trivial proofs and how past formalisation attempts are not…

Logic in Computer Science · Computer Science 2021-08-12 Erika Abraham , James H. Davenport , Matthew England , Gereon Kremer

Repeated Sampling (RS) is a simple inference-time algorithm that has been shown to improve model performance on complex tasks. Although it is an effective way of scaling inference time, it often struggles to generate diverse solution…

Artificial Intelligence · Computer Science 2026-02-17 Divij Handa , Mihir Parmar , Aswin RRV , Md Nayem Uddin , Hamid Palangi , Chitta Baral

Recent research has highlighted that Large Language Models (LLMs), even when trained to generate extended long reasoning steps, still face significant challenges on hard reasoning problems. However, much of the existing literature relies on…

Artificial Intelligence · Computer Science 2025-05-29 Fanzeng Xia , Yidong Luo , Tinko Sebastian Bartels , Yaqi Xu , Tongxin Li

In this paper, we investigate the problem of joint searching and tracking of multiple mobile targets by a group of mobile agents. The targets appear and disappear at random times inside a surveillance region and their positions are random…

Systems and Control · Electrical Eng. & Systems 2023-02-06 Savvas Papaioannou , Panayiotis Kolios , Theocharis Theocharides , Christos G. Panayiotou , Marios M. Polycarpou

Large Language Models (LLMs) have shown great potential in the biomedical domain with the advancement of retrieval-augmented generation (RAG). However, existing retrieval-augmented approaches face challenges in addressing diverse queries…

Computation and Language · Computer Science 2024-10-17 Minda Hu , Licheng Zong , Hongru Wang , Jingyan Zhou , Jingjing Li , Yichen Gao , Kam-Fai Wong , Yu Li , Irwin King

Local search methods can quickly find good quality solutions in cases where systematic search methods might take a large amount of time. Moreover, in the context of pattern set mining, exhaustive search methods are not applicable due to the…

Artificial Intelligence · Computer Science 2014-12-19 Muktadir Hossain , Tajkia Tasnim , Swakkhar Shatabda , Dewan M. Farid

Reinforcement Learning (RL) is an area of machine learning concerned with enabling an agent to navigate an environment with uncertainty in order to maximize some notion of cumulative long-term reward. In this paper, we implement and analyze…

Machine Learning · Computer Science 2020-11-25 Soham Gadgil , Yunfeng Xin , Chengzhe Xu

This paper investigates what properties a neighbourhood requires to support beneficial local search. We show that neighbourhood locality, and a reduction in cost probability towards the optimum, support a proof that search among neighbours…

Artificial Intelligence · Computer Science 2024-11-20 Mark G. Wallace

The minmax multiple traveling salesman problem involves minimizing the longest tour among a set of tours. The problem is of great practical interest because it can be used to formulate several real-life applications. To solve this…

Neural and Evolutionary Computing · Computer Science 2024-03-20 Pengfei He , Jin-Kao Hao , Jinhui Xia

In many real-world applications, reinforcement learning (RL) agents might have to solve multiple tasks, each one typically modeled via a reward function. If reward functions are expressed linearly, and the agent has previously learned a set…

Machine Learning · Computer Science 2022-06-24 Lucas N. Alegre , Ana L. C. Bazzan , Bruno C. da Silva

Fine-tuning Multimodal Large Language Models (MLLMs) with parameter-efficient methods like Low-Rank Adaptation (LoRA) is crucial for task adaptation. However, imbalanced training dynamics across modalities often lead to suboptimal accuracy…

Machine Learning · Computer Science 2026-03-03 Minkyoung Cho , Insu Jang , Shuowei Jin , Zesen Zhao , Adityan Jothi , Ethem F. Can , Min-Hung Chen , Z. Morley Mao

Grouping problems aim to partition a set of items into multiple mutually disjoint subsets according to some specific criterion and constraints. Grouping problems cover a large class of important combinatorial optimization problems that are…

Artificial Intelligence · Computer Science 2016-04-04 Yangming Zhou , Jin-Kao Hao , Béatrice Duval

The application of large language models (LLMs) in recommendation systems has recently gained traction. Traditional recommendation systems often lack explainability and suffer from issues such as popularity bias. Previous research has also…

Information Retrieval · Computer Science 2025-12-04 Yaqi Wang , Haojia Sun , Shuting Zhang