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Activate Urban Blood
for Smarter Cities
Takuro Yonezawa
Keio University, JAPAN
Photo by Takahiro Toh (@TakahiroToh)
Takuro Yonezawa
• Research Assistant Professor, Keio Univ. Japan
• Background: Ubiquitous Computing
• Leading several smar...
Japan - 62nd world rank by area
Urban Blood Vessel
• Total length of road
• 1,210,251 km (6th in the world)
• Total length...
Towards smart city
How can we sense the city ?
How can we obtain wisdom ?
Data
Information
Knowledge
Understanding
Wisdom
...
Straightforward
Approach:
Deployment of
massive IoTs in City
Ex. More than 20,000 sensors in Santander, Spain
CrowdSensing
Activate Urban Blood
for City Sensing
What is the effective way ?
Which vehicle should be activate for sensin...
3 examples to activate urban blood
Public
Vehicles
City
Administrative
Officers
Citizens
Which vehicle can cover whole road link ?
In Japan, there is a type of public vehicle which
covers more than 90% of road l...
Garbage Truck as a Sensor
More than 70 out of 100 trucks are sensorized
in Fujisawa city, Japan
98% road link covered
Achieving 100 Hz sensing & real-time data publishing (every 8cm by 30km/h speed)
Covered Area
98% road link covered
Daily health check of urban blood vessel
DeepOnEdge: Highest accuracy with lowest memory usage compared to state-of-the-ar...
City management as sensing opportunity
City Management
Administration Department
Policy Planning Department
Finance Depart...
Main technology for city workers:
Personal Know-how to Public know-how+
Fujisawa MinaRepo – City Management as Sensing
Comprehensive Sensing
3000 reports in a year
From data to understanding
Spatial	density	of	populations Features	with	the	highest	coefficient	values Features	with	the	l...
How do we motivate citizen to participate city sensing ?
Problems to be solved for CrowdSensing by citizen
• Protecting Us...
Lokemon: Proxying location-aware virtual monsters
Sorry for Japanese only currently
What users can do in Lokemon
1. Search nearby Lokemons and ask a question to the Lokemons
remotely (assigning sensing task...
Dramaturgy (Sociological Theory)
• Human interactions are always influenced by
time, place, and audience.
• It suggests th...
Experiment in Fujisawa Festival
• Number of users: 180
• Number of collected monsters: 948
• Number of sensing reports: 38...
Conclusion
Some data is already there, but closed(protected) or too expensive
What can we and public sectors do ?
Activate urban blood for smarter cities
With some ideas:
• Comprehensive sensing of whole city
• Find opportunity to chang...
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Activate Urban Blood for Smarter Cities

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Presented in ITS World Congress 2017, Canada Montreal. In the session of "Disruptive Mobility Services Utilizing IoT Big Data for Smart Cities"

Published in: Government & Nonprofit
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Activate Urban Blood for Smarter Cities

  1. 1. Activate Urban Blood for Smarter Cities Takuro Yonezawa Keio University, JAPAN Photo by Takahiro Toh (@TakahiroToh)
  2. 2. Takuro Yonezawa • Research Assistant Professor, Keio Univ. Japan • Background: Ubiquitous Computing • Leading several smart city projects • NICT-EU Horizon2020 BigClouT Project (2016-) • NICT SODA Project (2014-) • NICT-EU FP7 ClouT Project (2013-2015) Keio SFCity (Smart Future City) Laboratory Collaborating with 9 cities and 25 companies for creating Smart Cities
  3. 3. Japan - 62nd world rank by area Urban Blood Vessel • Total length of road • 1,210,251 km (6th in the world) • Total length of railroad • 27,655 km (9th in the world) Urban Blood • Population • 127 million (10th in the world) • Number of vehicles • 81 million (3rd in the world)
  4. 4. Towards smart city How can we sense the city ? How can we obtain wisdom ? Data Information Knowledge Understanding Wisdom Symbols Who, What, Where, When How Why Evaluated understanding
  5. 5. Straightforward Approach: Deployment of massive IoTs in City Ex. More than 20,000 sensors in Santander, Spain
  6. 6. CrowdSensing Activate Urban Blood for City Sensing What is the effective way ? Which vehicle should be activate for sensing ? How do we motivate people to participate sensing ? • Population • 127 million (10th in the world) • Number of vehicles • 81 million (3rd in the world) Activate as Sensors !
  7. 7. 3 examples to activate urban blood Public Vehicles City Administrative Officers Citizens
  8. 8. Which vehicle can cover whole road link ? In Japan, there is a type of public vehicle which covers more than 90% of road link every weekday Garbage Truck
  9. 9. Garbage Truck as a Sensor More than 70 out of 100 trucks are sensorized in Fujisawa city, Japan
  10. 10. 98% road link covered Achieving 100 Hz sensing & real-time data publishing (every 8cm by 30km/h speed) Covered Area
  11. 11. 98% road link covered
  12. 12. Daily health check of urban blood vessel DeepOnEdge: Highest accuracy with lowest memory usage compared to state-of-the-art method
  13. 13. City management as sensing opportunity City Management Administration Department Policy Planning Department Finance Department Disaster Prevention and Safety Promotion Department Community Relations Department Lifelong Learning Department Health and Welfare Department Child and Youth Department Environment Department Economic Department City Hospital Construction Planning Department Urban Infrastructure Improvement Department Road and River Department Sewage Department Fire Department Education Department
  14. 14. Main technology for city workers:
  15. 15. Personal Know-how to Public know-how+
  16. 16. Fujisawa MinaRepo – City Management as Sensing
  17. 17. Comprehensive Sensing 3000 reports in a year
  18. 18. From data to understanding Spatial density of populations Features with the highest coefficient values Features with the lowest coefficient values What kind of city demographic/form affect to illegal garbage thrown ?
  19. 19. How do we motivate citizen to participate city sensing ? Problems to be solved for CrowdSensing by citizen • Protecting Users’ Privacy • Keeping Data Quality (including Troll) • Enhancing Users’ Motivation
  20. 20. Lokemon: Proxying location-aware virtual monsters Sorry for Japanese only currently
  21. 21. What users can do in Lokemon 1. Search nearby Lokemons and ask a question to the Lokemons remotely (assigning sensing task), 2. Get a Lokemon to the users’ collection by visiting a place where the Lokemon virtually lives (Adapting gamification), 3. Use a Lokemon as an alias to report information near to its site (Achieving sensing task).
  22. 22. Dramaturgy (Sociological Theory) • Human interactions are always influenced by time, place, and audience. • It suggests that a person's identity is not a stable and independent psychological entity, but rather gets remade as the person interacts with others. • In other words, people always have to aware of whether they are playing an expected role, or change their behaviors to manage the impression they make on others. Dramaturgy Theory by Erving Goffman (1959)
  23. 23. Experiment in Fujisawa Festival • Number of users: 180 • Number of collected monsters: 948 • Number of sensing reports: 380 #FujisawaFestival Number of post: 378
  24. 24. Conclusion
  25. 25. Some data is already there, but closed(protected) or too expensive What can we and public sectors do ?
  26. 26. Activate urban blood for smarter cities With some ideas: • Comprehensive sensing of whole city • Find opportunity to change daily works as sensing • Motivate citizen with providing pleasure without privacy invasion and open the data&knowledge&wisdom as public property Disrupt closed world & business ! Contact: takuro@ht.sfc.keio.ac.jp Website: http://www.sfcity.jp Thank you for your listening !

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