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Given a set of $n$ elements separated by a pairwise distance matrix, the minimum differential dispersion problem (Min-Diff DP) aims to identify a subset of m elements (m < n) such that the difference between the maximum sum and the minimum…

离散数学 · 计算机科学 2016-08-16 Yangming Zhou , Jin-Kao Hao

The existing neural architecture search algorithms are mostly working on search spaces with short-distance connections. We argue that such designs, though safe and stable, obstacles the search algorithms from exploring more complicated…

机器学习 · 计算机科学 2021-12-07 Yunjie Tian , Lingxi Xie , Jiemin Fang , Jianbin Jiao , Qixiang Ye , Qi Tian

The integration of fuzzy set theory and fuzzy logic into scheduling is a rather new aspect with growing importance for manufacturing applications, resulting in various unsolved aspects. In the current paper, we investigate an improved local…

人工智能 · 计算机科学 2008-09-04 Martin Josef Geiger , Sanja Petrovic

Spatial query and analysis results are often directly applied to decision-making processes such as facility location, proximity resource discovery, accessibility analysis, and risk assessment. Therefore, the efficiency of underlying spatial…

数据库 · 计算机科学 2026-05-14 Zhongpu Chen , Yikai Dong , Wanjun Hao

We present an algorithm for local, regularized, policy improvement in reinforcement learning (RL) that allows us to formulate model-based and model-free variants in a single framework. Our algorithm can be interpreted as a natural extension…

A resource selection function is a model of the likelihood that an available spatial unit will be used by an animal, given its resource value. But how do we appropriately define availability? Step-selection analysis deals with this problem…

定量方法 · 定量生物学 2015-12-08 Tal Avgar , Jonathan R. Potts , Mark A. Lewis , Mark S. Boyce

We study the kinetics for the search of an immobile target by randomly moving searchers that detect it only upon encounter. The searchers perform intermittent random walks on a one-dimensional lattice. Each searcher can step on a nearest…

统计力学 · 物理学 2015-05-14 Gleb Oshanin , Katja Lindenberg , Horacio S Wio , Sergei Burlatsky

Multi-Agent Path Finding (MAPF) aims to arrange collision-free goal-reaching paths for a group of agents. Anytime MAPF solvers based on large neighborhood search (LNS) have gained prominence recently due to their flexibility and…

机器人学 · 计算机科学 2025-05-30 Jiaqi Tan , Yudong Luo , Jiaoyang Li , Hang Ma

Local search algorithms for combinatorial search problems frequently encounter a sequence of states in which it is impossible to improve the value of the objective function; moves through these regions, called plateau moves, dominate the…

人工智能 · 计算机科学 2014-11-17 J. Frank , P. Cheeseman , J. Stutz

Simplicity is the ultimate sophistication. Differentiable Architecture Search (DARTS) has now become one of the mainstream paradigms of neural architecture search. However, it largely suffers from the well-known performance collapse issue…

机器学习 · 计算机科学 2021-10-19 Xiangxiang Chu , Bo Zhang

Recently, the weight-sharing technique has significantly speeded up the training and evaluation procedure of neural architecture search. However, most existing weight-sharing strategies are solely based on experience or observation, which…

机器学习 · 计算机科学 2023-07-07 Jianxiang Luo , Junyi Hu , Tianji Pang , Weihao Huang , Chuang Liu

This paper reconsiders common benchmarking approaches to nearest neighbor search. It is shown that the concept of local intrinsic dimensionality (LID) allows to choose query sets of a wide range of difficulty for real-world datasets.…

信息检索 · 计算机科学 2019-07-18 Martin Aumüller , Matteo Ceccarello

We present a scalable solution to link entities across mobility datasets using their spatio-temporal information. This is a fundamental problem in many applications such as linking user identities for security, understanding privacy…

数据库 · 计算机科学 2020-04-14 Fuat Basık , Hakan Ferhatosmanoğlu , Buğra Gedik

Ensuring fair outcomes for multiple stakeholders in recommender systems has been studied mostly in terms of algorithmic interventions: building new models with better fairness properties, or using reranking to improve outcomes from an…

信息检索 · 计算机科学 2025-09-30 Elizabeth McKinnie , Anas Buhayh , Clement Canel , Robin Burke

We present new refinement heuristics for the balanced graph partitioning problem that break with an age-old rule. Traditionally, local search only permits moves that keep the block sizes balanced (below a size constraint). In this work, we…

社会与信息网络 · 计算机科学 2025-05-13 Nikolai Maas , Lars Gottesbüren , Daniel Seemaier

This paper proposes an optimization-based task and motion planning framework, named "Logic Network Flow", to integrate signal temporal logic (STL) specifications into efficient mixed-binary linear programmings. In this framework, temporal…

机器人学 · 计算机科学 2025-10-02 Xuan Lin , Jiming Ren , Samuel Coogan , Ye Zhao

Randomized sampling based algorithms are widely used in robot motion planning due to the problem's intractability, and are experimentally effective on a wide range of problem instances. Most variants bias their sampling using various…

机器人学 · 计算机科学 2024-10-08 Amnon Attali , Stav Ashur , Isaac Burton Love , Courtney McBeth , James Motes , Marco Morales , Nancy M. Amato

Artificial intelligence (AI) is widely used in various fields including healthcare, autonomous vehicles, robotics, traffic monitoring, and agriculture. Many modern AI applications in these fields are multi-tasking in nature (i.e. perform…

机器学习 · 计算机科学 2024-12-04 Md Hafizur Rahman , Md Mashfiq Rizvee , Sumaiya Shomaji , Prabuddha Chakraborty

We carry out a comparative study on the problem for a walker searching on several typical complex networks. The search efficiency is evaluated for various strategies. Having no knowledge of the global properties of the underlying networks…

无序系统与神经网络 · 物理学 2009-11-10 Shi-Jie Yang

The flexible job shop scheduling problem with sequencing flexibility and position-based learning effect is considered in the present work. In [K. A. G. Araujo, E. G. Birgin, and D. P. Ronconi, Technical Report MCDO02022024, 2024], models,…

最优化与控制 · 数学 2024-03-26 Kennedy A. G. Araújo , Ernesto G. Birgin , Débora P. Ronconi