Results 131 to 140 of about 1,774,862 (335)

XXQ FACTORS FOR SUSTAINABLE URBAN DEVELOPMENT: A SYSTEMS ECONOMICS VIEW [PDF]

open access: yes
Modern cities turn increasingly into functional areas seeking for a balance between agglomeration forces and urban quality of life. This paper will address the issue of sustainable urban development from a quality (performance) perspective.
Peter Nijkamp
core  

ChatCFD: A Large Language Model‐Driven Agent for End‐to‐End Computational Fluid Dynamics Automation with Structured Knowledge and Reasoning

open access: yesAdvanced Intelligent Discovery, EarlyView.
Chat computational fluid dynamics (CFD) introduces an large language model (LLM)‐driven agent that automates OpenFOAM simulations end‐to‐end, attaining 82.1% execution success and 68.12% physical fidelity across 315 benchmarks—far surpassing prior systems.
E Fan   +8 more
wiley   +1 more source

Indicators and methods for spatial cohesion research: difficulties and challenges in low-density regions [PDF]

open access: yes
Previous research carried out by this same authors went through the analysis of data sources and their potential to apply the polycentrism approach to territories where the urban features is weak (specifically in Castilla-La Mancha, Spain).
Angel Raul Ruiz Pulpon   +5 more
core  

Voxel‐SLAM: A Complete, Accurate, and Versatile Light Detection and Ranging‐Inertial Simultaneous Localization and Mapping System

open access: yesAdvanced Intelligent Systems, EarlyView.
: In this work, Voxel‐SLAM (simultaneous localization and mapping) is introduced: a complete, accurate, and versatile LiDAR (light detection and ranging) ‐inertial SLAM system consisting of five modules: initialization, odometry, local mapping (LM), loop closure (LC), and global mapping (GM), all employing the same map representation, an adaptive voxel
Zheng Liu   +9 more
wiley   +1 more source

Technological Innovation and Urban Processes [PDF]

open access: yes
Technological innovation pushes transformatioin, rennovation and urban regenaration of areas and services. Special attention is given to the major urban centres, for the most related to nationale and/or Ue policy (Ce, 2003; Ce, 2004).
Stefano Aragona
core  

Artificial Intelligence in Autonomous Mobile Robot Navigation: From Classical Approaches to Intelligent Adaptation

open access: yesAdvanced Intelligent Systems, EarlyView.
Artificial intelligence (AI) is reshaping autonomous mobile robot navigation beyond classical pipelines. This review analyzes how AI techniques are integrated into core navigation tasks, including path planning and control, localization and mapping, perception, and context‐aware decision‐making. Learning‐based, probabilistic, and soft‐computing methods
Giovanna Guaragnella   +5 more
wiley   +1 more source

Classical models of urban population density. The case of Barcelona Metropolitan Area [PDF]

open access: yes
In this paper, we study the classical functional forms density-distance and its relation with the suburbanization for the Barcelona Metropolitan Area.
Joan Carles Martori   +1 more
core  

Drivers of Land Surface Temperatures From the Perspective of Urban Functional Zones

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Urban areas have a high level of spatial heterogeneity. Therefore, examining the degree of drivers in urban functional zones (UFZs) is important. In this study, point-of-interest data were used primarily to identify UFZs. Random forest and geographically
Yi Bai   +4 more
semanticscholar   +1 more source

Uncovering renewable energy policy impact channels on land values, the local farm structure, and farmland heterogeneity

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Germany's Renewable Energy Sources Act (REA), enacted in 2000 and subsequently amended, subsidized national renewable energy production with fixed feed‐in tariffs for renewable energy sources (RE) from wind, solar, and biogas. Empirical studies suggest that the policy was creating windfall effects for landowners and attribute farmland use ...
Lars Isenhardt   +6 more
wiley   +1 more source

Emergence and Evolution of Heterogeneous Spatial Patterns [PDF]

open access: yes
We live in a quite heterogeneous space. There are cities and rural areas, and population density varies a lot across space. People migrate and commute to the places of their work.
Yuri Yegorov
core  

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