Sunday, February 18, 2018

Saturday, February 17, 2018

Urban Picture

Hisashimichi interchange in the city of Hachioji, in Tokyo Metropolitan Area.  You can see this interchange on OpenStreetMap, here. Thanks Pedro Geaquinto for sharing the OSM link!

photo credit: ?

Friday, February 9, 2018

A survey of the literature on mobile phone datasets analysis

A good paper giving a nice overview of the research using mobile phone datasets (mostly CDR data). A lot of interesting research looking at human mobility patterns, spatial and temporal networks, urban and regional development. This paper is already 3 years old, though, and things move fairly quickly in this type of research.

Some of the authors covered in this review are on Twitter. I've tagged them here and here in case you'd like to follow them.

Blondel, V. D., Decuyper, A., & Krings, G. (2015). A survey of results on mobile phone datasets analysis. EPJ Data Science, 4(1), 10.

In this paper, we review some advances made recently in the study of mobile phone datasets. This area of research has emerged a decade ago, with the increasing availability of large-scale anonymized datasets, and has grown into a stand-alone topic. We survey the contributions made so far on the social networks that can be constructed with such data, the study of personal mobility, geographical partitioning, urban planning, and help towards development as well as security and privacy issues.

image credit: Wang et al. 2009

Thursday, February 8, 2018

Waiting for my supervisors' feedback



More work needs to be done ... of course

Carnival is taken very seriously in Brazil

And now, back to writing.

Wednesday, February 7, 2018

Thoughtful thread on the future of shared, autonomous and electric mobility

For those not familiar with Twitter, click on this link to read the full thread.

On a related note, Tim Schwanen pointed out to this interesting piece about the State led emerging role of China in electric mobility industry.

Assorted Links

  1. Sprawling Mayan 'cities' uncovered under Guatemala jungle using LIDAR data - "The study estimates that roughly 10 million people may have lived within the Maya Lowlands"

  2. The World's 15 Most Complex Subway Maps and our cognitive limits: "Multimodal transportation systems in large cities have thus already exceeded human cognitive limits and, consequently, the traditional view of navigation in cities has to be revised substantially"

Thursday, February 1, 2018

How much residential space could you rent with $1,500 in 30 global cities?

I saw this chart on Twitter via Simon Kuestenmacher.

Infographic: Where Renters Get the Most and Least Space | Statista You will find more statistics at Statista

Related posts:
  1. Comparing house price trends worldwide
  2. The effects of rent control on tenants, landlords, and inequality
  3. Aggregate homeownership rates for different countries
  4. Map of real estate prices in Sao Paulo
  5. Empty spaces in the crowd: Residential vacancy in São Paulo

UPDATE [6 Feb 2018] Apparently, the data is for 2016. The source of the date is a real state intelligence company called Yardi Matrix. They have another version of the chart that includes the 100 most populous cities in the US.

How much residential space could you rent with $1,500 in the 100 most populous US cities?

Tuesday, January 30, 2018

Oxford from above

A beautiful panoramic view of Oxford from above (via BBC Oxford). Apparently you need to go on Facebook to get the interactive version of the picture below.

In case you would like to see how Oxford looks like on the ground, there is actually a camera that streams in real time the day-to-day of Broad Street, one of the main roads in the city. Or, you can explore Oxford on Google Street View and go inside some colleges and libraries

ps warning: Oxford is always NOT always sunny as you see on Google Street View. It rarely is, really.