2. • Lives in London RoR
• “Building Real Time Web” @ RubyKaigi2010
RubyKaigi2010
• A developer (at @newbamboo )
• In charge of international communication at
sinsai.info (@sinsai_info_en) sinsai.info
Wednesday, 20 July 2011
I’d like to thank my company for sending me to RubyKaigi when I do not talk about their
product nor services, but talk about sinsai.info, which is crisis mapping site for East Japan
earthquake. At sinsai.info, I am in charge of international communication, where I mostly do
translation.
4. Makoto
• What happened after the earthquake?
• sinsai.info
• 4 months after 11th March
• What can we do ?
Wednesday, 20 July 2011
5. • More than 15,000 people were killed.
• There are still another 5,000 people missing.
5
http://www.flickr.com/photos/dugspr/5541815267/in/set-72157626305323978
Wednesday, 20 July 2011
6. • Roads were completely disrupted.
• Electricity and cell-phone networks were washed away.
• Cell-phone were useless more than 24hrs even in Tokyo.
http://www.flickr.com/photos/dugspr/5549191112/in/set-72157626305323978
Wednesday, 20 July 2011
7. • Data explosion
• Data curation
• Curated system
Wednesday, 20 July 2011
8. - Average Tweet per day (before) = 18, mil
- Average Tweet per day (3/11) = 33, mil
(Report by NEC Big Globe)
http://gigazine.net/news/20110427_earthquake_twitter/
Wednesday, 20 July 2011
10. @takepon_jp [pls RT] Looking for my friends, 20
yrs old, height 150cm, black hair with partially
blonde
Celebs with many followers acted as hubs to spread
important information
Wednesday, 20 July 2011
11. John Roos is US ambassador to Japan
Some people were directly reaching
influential figures
http://www.usatoday.com/tech/news/2011-04-11-japan-social-media_N.htm
Wednesday, 20 July 2011
14. Not all the information was curated properly.
The use of unofficial “RT” made it difficult to
http://www.kotono8.com/2011/04/08dema.html
delete the original t weet even after the
information is false. Twitter announced to
encourage the use of official t weet
http://www.usatoday.com/tech/news/2011-04-11-japan-social-media_N.htm
Wednesday, 20 July 2011
16. - Google person finder
- launched after 2 hrs
- over 600,000 records
- Integrated with Picassa to convert name list from
evacuation Center into the system with crowd source.
Wednesday, 20 July 2011
18. We need help! We are stuck in
isolation at Akasaka hospital and
getting suffer. Please spread this
information to the others.
I made a phone-call to Self-
Defence force and they said
they would go help ASAP
...
Wednesday, 20 July 2011
19. • Geo tagged report using Open Street
Map
• Directly from the form & via twitter
Geo tagged manually
• Monitored , geotagged, and moderated
because normal t wee,
only 0.4 % of t weets has
geotags attached
by volunteers
• Launched within 4 hrs
Wednesday, 20 July 2011
23. It was even used during London tube
strikes.
Wednesday, 20 July 2011
24. PHP!!
It was even used during London tube
strikes.
Wednesday, 20 July 2011
25. PHP at RubyKaigi
PHP!!
http://www.slideshare.net/plataformatec/writing-your-own-programming-language-to-understand-ruby-better-euruko-2011
Wednesday, 20 July 2011
27. • Big problem, no tasks, no work flows
• Many Rubyists knew how to create tasks and flows
through their daily Open Source activities.
Rubyist
• A few Ruby core committers acted as core member of
sinsai.info Ruby sinsai.info
Wednesday, 20 July 2011
28. • Over 12,000 reports
• 1,000,000+ PV in first month
PV
• 500,000+ Unique Visitors
• Accessed from Sendai the most
Wednesday, 20 July 2011
30. • Safety enquiry
• Available service
• Mostly via Twitter
Safety = eg: looking for people
Available service = Gas, Bath, Food, Which
stores are open?
http://www.flickr.com/photos/hichako/5547226578/
Wednesday, 20 July 2011
31. • Volunteers, available services
• Number of report decreasing
• Switched off Twitter hashtag
crawling
• Manually sourced from White listed &
Why switched off t witter?
- Noise ratio increased in
t witter
- More people started
publishing information from
trusted news sites and blogs
their blogs and sites
RSS
http://www.flickr.com/photos/hichako/5547226578/
Wednesday, 20 July 2011
32. Open Data encourages mash ups.
http://wiki.ushahidi.com/doku.php?id=ushahidi_api
http://www.flickr.com/photos/misswired/440919666/sizes/l/
Wednesday, 20 July 2011
33. Makoto
http://www.dailymail.co.uk/news/article-2001984/Japan-tsunami-earthquake-Pictures-recovery-3-months-later.html
http://www.flickr.com/photos/hichako/5547226578/
Wednesday, 20 July 2011
37. http://www.hisaisha.net/archive/2000/01_14.html
Tohoku
Kobe
The graph shows
the number of
people at
evacuation
centre (before
moving to
temporary
housing)
http://www.cao.go.jp/shien/1-hisaisha/pdf/5-hikaku.pdf
Wednesday, 20 July 2011
