Changes in walkable streets during the COVID-19 pandemic in a suburban city in the Osaka metropolitan area

H Kato, D Matsushita - Sustainability, 2021 - mdpi.com
The purpose of this study was to identify the walkable streets where traffic behavior changed
according to each residential cluster during the COVID-19 pandemic. By elucidating the …

Development of a spatio-temporal analysis method to support the prevention of COVID-19 infection: Space-time kernel density estimation using GPS location history …

H Kato - Urban Informatics and Future Cities, 2021 - Springer
This study aims to develop a spatio-temporal analysis method to support planning for the
prevention of a COVID-19 infection. The method focused on the space-time kernel density …

Origin-destination trips generated from operational data of a mobile network for urban transportation planning

R Imai, D Ikeda, H Shingai, T Nagata… - Journal of Urban …, 2021 - ascelibrary.org
Owing to recent advances in information communication technologies, trail data, ie,
movement logs of people on the road or on trains, can be acquired on a 24-h, 365-day …

Replicated servers allocation for multiple information sources in a distributed environment

F Chen, B Li - Microprocessors and Microsystems, 2000 - Elsevier
Recently, we have witnessed a phenomenal growth in the Internet/Intranet coupled with
rapid deployment of new services. Information dissemination over the network has become …

Upgrading Spatiotemporal Demographic Data by the Integration of Detailed Population Attributes

T Osaragi, R Kudo - … in Cartography and GIScience of the …, 2021 - ica-adv.copernicus.org
In this study, a method was constructed for adding value to spatiotemporal data by
integrating demographic information obtained from Mobile Spatial Statistics (MSS), Person …

Privacy-preserving publishing of pseudonym-based trajectory location data set

K Mano, K Minami, H Maruyama - … International Conference on …, 2013 - ieeexplore.ieee.org
Anonymization is a common technique for publishing a location data set in a privacy-
preserving way. However, such an anonymized data set lacks trajectory information of users …

Protecting location privacy with k-confusing paths based on dynamic pseudonyms

K Mano, K Minami, H Maruyama - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
As smart phones with a GPS receiver have been becoming popular recently, many people
have realized the issue of protecting their location privacy. Previous research on location …

Estimating spatiotemporal distribution of moving people in urban areas using population statistics of mobile phone users

T Osaragi - Advances and New Trends in Environmental …, 2021 - Springer
This paper proposed a method for estimating the spatiotemporal distribution of static and
transient populations of urban areas by using population statistics created from the location …

Pseudonym exchange for privacy-preserving publishing of trajectory data set

K Mano, K Minami, H Maruyama - 2014 IEEE 3rd Global …, 2014 - ieeexplore.ieee.org
Anonymization is a common technique for publishing a location data set in a privacy-
preserving way. However, such an anonymized data set lacks trajectory information of users …

詳細な滞留者属性情報の組み込みによる時空間人口統計データの高度化 パーソントリップ調査データとモバイル空間統計の統合方法について

大佛俊泰 - 日本建築学会計画系論文集, 2020 - jstage.jst.go.jp
抄録 In recent years, demographics regarding the spatiotemporal distribution of people in
urban areas estimated from location information of mobile phone users are available for …