10,551 Hits in 5.3 sec

Online Hot Spot Prediction in Road Networks

Maik Häsner, Conny Junghans, Christian Sengstock, Michael Gertz
2011 Datenbanksysteme für Business, Technologie und Web  
In this paper, we present a new approach for the online prediction of so-called hot spots, that is, components of a road network such as intersections that are likely to experience heavy traffic in the  ...  Using an aggregation model for hot spots, we show how regional information can be derived and connected substructures in a road network can be determined.  ...  In this paper we presented an approach for online prediction of hot spots in road networks.  ... 
dblp:conf/btw/HasnerJSG09 fatcat:5czvpxmmazcefojypbll7wgkb4

Animal movements occurring during COVID-19 lockdown were predicted by connectivity models

Andrea Corradini, Wibke Peters, Luca Pedrotti, Mark Hebblewhite, Natalia Bragalanti, Clara Tattoni, Marco Ciolli, Francesca Cagnacci
2021 Global Ecology and Conservation  
spots for road network crossing.  ...  Cons. 186, 123-133) predicted the main corridors and suitable hot spots for road network crossing for this population across all major roads and settlement zones, to link most suitable habitats.  ...  Acknowledgements We are grateful to all the people and institutions that are actively involved in the conservation of the brown bears in the Alps, in particular, Claudio Groff and the Forest and Wildlife  ... 
doi:10.1016/j.gecco.2021.e01895 pmid:34729384 pmcid:PMC8552749 fatcat:dkkihdzz2bhyxobwn5g5h2q3ku

An optimization model for improving highway safety

Promothes Saha, Khaled Ksaibati
2016 Journal of Traffic and Transportation Engineering (English ed. Online)  
This paper developed a traffic safety management system (TSMS) for improving safety on county paved roads in Wyoming. TSMS is a strategic and systematic process to improve safety of roadway network.  ...  Although the proposed methodology was implemented on the county paved road network of Wyoming, it could be easily modified for potential implementation on the Wyoming state highway system.  ...  Crash hot spots There are 12 crash hot spot analysis techniques discussed in HSM (AASHTO, 2010). These techniques basically rank the sites with potential safety issues.  ... 
doi:10.1016/j.jtte.2016.01.004 fatcat:y7sxfmevbjcvbc6lmn3lc3mw2e

An Urban Hot/Cold Spot Detection Method Based on the Page Rank Value of Spatial Interaction Networks Constructed from Human Communication Records

Haitao Zhang, Huixian Shen, Kang Ji, Rui Song, Jinyuan Liu, Yuxin Yang
2022 ISPRS International Journal of Geo-Information  
This article proposes a spatial hot/cold spot detection method for human communication by auto-correlating the PageRank values of the spatial interaction networks constructed by records.  ...  These differences were consistent with the actual situation in the study area, indicating the accuracy of the proposed method for detecting hot/cold areas.  ...  Jahnke et al. ([6] , 2016) realized online visual interaction of hot-spot taxi areas in Shanghai using the DBSCAN spatial clustering method and Web Component Technology.  ... 
doi:10.3390/ijgi11030210 fatcat:ui3c5rzn5nf5td5as7wxrikxwy

Evaluating Street Greenery by Multiple Indicators Using Street-Level Imagery and Satellite Images: A Case Study in Nanjing, China

Ming Tong, Jiangfeng She, Junzhong Tan, Mengyao Li, Rongcun Ge, Yiyuan Gao
2020 Forests  
new city on the main road, whereas the new city has a higher GVI level than the old city on the branch road.  ...  We found correlations and discrepancies of these indicators using statistical analyses in different urban districts, functional areas, and road levels.  ...  Acknowledgments: The street view images were provided by Tencent Company, and the satellite images were provided by Geospatial Data Cloud site, Computer Network Information Center, Chinese Academy of Sciences  ... 
doi:10.3390/f11121347 fatcat:2a7thyxyj5he5iwpozmt2awk2a

Changes in the spatial and temporal pattern of natural forest cover on Hainan Island from the 1950s to the 2010s: implications for natural forest conservation and management

Siliang Lin, Yaozhu Jiang, Jiekun He, Guangzhi Ma, Yang Xu, Haisheng Jiang
2017 PeerJ  
In the present study, we used historical data of the road network, topography, and climatic productivity to reconstruct NFC maps of Hainan Island, China, from the 1950s to the 2010s, using the random forest  ...  We also identified the hot spots of NFC change, which provides insights into the dynamic changes of natural forests over time.  ...  To identify spatial clustering patterns of NFC changes at 20-year intervals, hot spots analysis was performed using Getis-Ord Gi* statistics (Mitchell, 2005) with the 'Hot Spot Analysis' function in  ... 
doi:10.7717/peerj.3320 pmid:28533968 pmcid:PMC5436588 fatcat:h6f6tpll4jggllgl7rvwahkzle

Hot spots and hot moments of diamondback terrapin road-crossing activity

Brian A. Crawford, John C. Maerz, Nathan P. Nibbelink, Kurt A. Buhlmann, Terry M. Norton, Shannon E. Albeke, Christopher Dickman
2014 Journal of Applied Ecology  
(hot spots) or temporally (hot moments) in order to guide efficient management. 3.  ...  Spatially, 30% of terrapins were observed crossing in three hot spots that composed less than 10% of the length of the entire causeway, and the percentage of unvegetated high marsh was negatively associated  ...  All methods were conducted in accordance with the recommendations for humane treatment of these animals for research and have been approved by the University of Georgia Institution Animal Care and Use  ... 
doi:10.1111/1365-2664.12195 fatcat:ddrhsmr2djd37exdcpt3ydgvgu

An Analysis of the Spatio-temporal Characteristics of Hotels' Network Attention -Taking Xi'an three-star and above hotels as an example

Duan Zhaowen, Sun Hanyu, Xie Shan, Zhang Tingwei
2021 E3S Web of Conferences  
and small dispersion"; (3) The network attention of different levels of hotels has obvious differences in spatial agglomeration;  ...  Based on the above, taking 371 hotels with three stars and more in Xi'an as the research object and gathering the data of hotels' network attention from, we explore the temporal and spatial  ...  Therefore, the datum has been the crucial information for hotel managers to predict tourist flow and understand tourists' consumption preferences, and also the hot spot in the economic research and practices  ... 
doi:10.1051/e3sconf/202126103063 doaj:be27e69005fd4f8880dc74be9c9c74e8 fatcat:dnm4u2vxivdzrkslwmfhygkqj4

Mobility Analysis for Passive Reservations in Vehicular Cellular Networks Based on Dynamic Programming and Roads Compression

Peppino Fazio, Mauro Tropea, Miroslav Voznak, Andrea Lupia
2016 International Journal of Interdisciplinary Telecommunications and Networking  
A new scheme for predicting user movements is proposed, taking the advantage of the dynamic programming approach, that is able to reduce the number of possible roads to be considered and thereby increasing  ...  In this paper the authors are interested in investigating how the continuity of services can be guaranteed in QoS networks, when users move from a cell to another one, under an infrastructure cellular  ...  The drawback of this scheme is that the reserved bandwidth is often wasted in the hot spot area.  ... 
doi:10.4018/ijitn.2016100101 fatcat:nw2u7u7mm5c2hpdzsgvsws2gny

Analysis of road travel behaviour based on big trajectory data

Wang Yongdong, Xu Dongwei, Peng Peng, Zhang Guijun
2020 IET Intelligent Transport Systems  
In addition, the travel regularity has been studied and origin/destination prediction of the hot spots has been conducted based on the multivariate δ-long short-term memory model.  ...  Then a network analysis of the travel hot spots is conducted to study the regularity of travel behaviours.  ...  Acknowledgments This work was supported in part by the National Natural Science Foundation of China under grant (61903334), the Zhejiang Provincial Natural Science Foundation under grant LQ16E080011, and  ... 
doi:10.1049/iet-its.2019.0785 fatcat:qvomo4tjnbh6jp6pm36np55oiy

Spatial Analysis Of Park And Ride Users' Dynamic Accessibility To Train Station: A Case Study In Perth

Ting (Grace) Lin, Jianhong (Cecilia) Xia, Todd Robinson
2017 Zenodo  
Dynamic accessibility which measures accessibility in real-time traffic environment has been an advanced accessibility indicator in transport research.  ...  It is also a useful indicator to help travelers to understand travel time daily variability, assists traffic engineers to monitor traffic congestions, and finally develop effective strategies in order  ...  ACKNOWLEDGMENT The authors would like to thank the commuters who willingly devoted their time to participate in the study.  ... 
doi:10.5281/zenodo.1129740 fatcat:gm3xsai6dje3nbyhjjcxqbbqiu

A glimpse into the future of exposure and vulnerabilities in cities? Modelling of residential location choice of urban population with random forest

Sebastian Scheuer, Dagmar Haase, Annegret Haase, Manuel Wolff, Thilo Wellmann
2021 Natural Hazards and Earth System Sciences  
The proposed approach reveals hot spots and cold spots of residential choice for distinct socioeconomic groups exhibiting heterogeneous preferences.  ...  relationship between observed patterns and disaster risk through the lens of exposure and vulnerability, as well as links to urban planning, and explore how the proposed methodology may contribute to predicting  ...  Conclusions This paper proposes a methodology for the spatially explicit prediction of residential-choice behaviour in the form of hot spots and cold spots for distinct socioeconomic groups, a process  ... 
doi:10.5194/nhess-21-203-2021 fatcat:znxid7df35hhzdpzukbakr5eku

Impact of urban built environment on urban short-distance taxi travel: the case of Shanghai

Zhuoye Wu, Jian Zhuo
2018 IOP Conference Series: Earth and Environment  
In this paper, we figure out the volumes and spatial distribution of short-distance taxi travel in the central city of Shanghai.  ...  In the conclusion, some advice are provided on how planners change the spatial settings to discourage short-distance individual motorized travel.  ...  POI data from Baidu map The number of education facilities per km 2 in each sub-district Road network density Road network data The length of road per km 2 in each sub-district Bus service  ... 
doi:10.1088/1755-1315/153/6/062019 fatcat:36jk2hxz7fa3vmahd4dtztl6te

Analysis of historical road accident data supporting autonomous vehicle control strategies

Sándor Szénási
2021 PeerJ Computer Science  
This manuscript presents a data-mining method working on the already existing road accident database records to find the black spots of the road network.  ...  For example, it is possible to localize areas of the public road network, where the number of accidents related to careless pedestrians or bad road surface conditions is significantly higher than expected  ...  Rest in peace our friend.  ... 
doi:10.7717/peerj-cs.399 pmid:33817045 pmcid:PMC7959616 fatcat:7iiyspynivdavgiup6jc42742q

Engineering Applications of Intelligent Monitoring and Control

Qingsong Xu, Pak-Kin Wong, Chengjin Zhang, Shane Xie, Ping-Lang Yen
2013 Mathematical Problems in Engineering  
By adopting a sensor on the front axle, the road prediction model can predict more reliable road information for the rear wheel.  ...  Online monitoring of instantaneous resistance variation during the A.C. resistance spot welding is of paramount importance for the weld quality control.  ...  By adopting a sensor on the front axle, the road prediction model can predict more reliable road information for the rear wheel.  ... 
doi:10.1155/2013/564021 fatcat:vlr6bt34hrbo5nfjiax27zrsx4
« Previous Showing results 1 — 15 out of 10,551 results