Results 21 to 30 of about 3,094,057 (286)

Multi-Session High-Definition Map-Monitoring System for Map Update

open access: yesISPRS International Journal of Geo-Information, 2023
This research paper employed a multi-session framework to present an innovative approach to map monitoring within the domain of high-definition (HD) maps.
Benny Wijaya   +9 more
doaj   +1 more source

Closed-Form Representations of Friction

open access: yesIEEE Access, 2021
The current developed friction models are basically based on the assumption of the normal forces exerted between the contact surfaces known in advance, less work has been done for closed-form (i.e., analytic) modeling in complex mechanical systems where ...
Jin Huang   +4 more
doaj   +1 more source

Neighborhood walkability, physical activity, and walking for transportation: A cross-sectional study of older adults living on low income

open access: yesBMC Geriatrics, 2017
Background Walking, and in particular, outdoor walking, is the most common form of physical activity for older adults. To date, no study investigated the association between the neighborhood built environment and physical activity habits of older adults ...
Anna M. Chudyk   +4 more
doaj   +1 more source

Online Quantitative Analysis of Perception Uncertainty Based on High-Definition Map

open access: yesSensors, 2023
Environmental perception plays a fundamental role in decision-making and is crucial for ensuring the safety of autonomous driving. A pressing challenge is the online evaluation of perception uncertainty, a crucial step towards ensuring the safety and the
Mingliang Yang   +6 more
doaj   +1 more source

Mobile crowdsensing with mobile agents [PDF]

open access: yesAutonomous Agents and Multi-Agent Systems, 2015
We introduce mobile agents for mobile crowdsensing. Crowdsensing campaigns are designed through different roles that are implemented as mobile agents. The role-based tasks of mobile agents include collecting data, analyzing data and sharing data in the campaign.
Leppänen, T. (Teemu)   +4 more
openaire   +2 more sources

A Novel Reservation and Allocation Approach of Shared Parking Slots considering the Noncritical Aisle Space

open access: yesJournal of Advanced Transportation, 2023
Urban areas are experiencing a substantial increase in parking demand, which creates an imbalance due to the limited availability of parking facilities. To address this issue, effective parking management is necessary.
Ke Huang   +3 more
doaj   +1 more source

Characterization of IEEE802.11 WLAN Implementing on Excavator: Can We Use IEEE802.11 for i-construction? [PDF]

open access: yesEAI Endorsed Transactions on Internet of Things, 2022
As network systems become more sophisticated, through network systems, the automatic/remote-automatic/remote-control technology is spreading to construction machinery.
Ryo Hamamoto   +8 more
doaj   +1 more source

Are we missing the sitting? Agreement between accelerometer non-wear time validation methods used with older adults’ data

open access: yesCogent Medicine, 2017
We used Bland Altman plots to compare agreement between a self-report diary and five different non-wear time algorithms [an algorithm that uses ≥60 min of consecutive zeroes (Troiano) and four variations of an algorithm that uses ≥90 min of consecutive ...
Anna M. Chudyk   +4 more
doaj   +1 more source

Geovisualizing evolving population and built-up area in China, 2010–20

open access: yesRegional Studies, Regional Science, 2023
China's population and development land have changed dramatically over the last decade. Yet, our understanding of the spatial distribution patterns of the population and built-up areas remains limited.
Xiaohong Chen, Xiang Liu, Yingjie Guo
doaj   +1 more source

Social Mobility and Spatial Mobility [PDF]

open access: yes, 2011
There is no subject more central to sociology than social mobility.1 The degree to which modern industrialized societies enable talented, ambitious or lucky individuals to move up in status, or conversely the extent to which they reproduce inherited inequalities or social hierarchies from one generation to the next, are questions that still dominate ...
FAVELL A., RECCHI, Ettore
openaire   +4 more sources

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