networks

By Colin Harrison IBM Distinguished Engineer This is the first of three posts that explore the concept of urban information networks, that is, the flows of information in cities about what is going on. I am not thinking here of social networks, which deal with personal information, but rather of information concerning the how the city is...[read more]

Ericsson have released an interesting new infographic which looks at the role of technology in creating sustainable cities as global population hits an expected 9 billion in 2050. The ‘rapid deployment of broadband networks’ is obviously something of interest to a multinational tech company, but this infographic also looks at the...[read more]

Ever wondered why the suggestions on shopping websites such as amazon or ebay more often than not appeal to you? Most links are targeted and do related to recent activity linking activity and interest together. Amazon's recommendations for products especially books works as a network of relations and starts to groups together similar...[read more]

Network structure varies across cities. This variation may yield important knowledge about how the internal structure of the city affects its performance. …These results suggest that larger cities are physically more inter-connected.[read more]

The abstract buries the lede. The average cross-section effect (that is the long - term accessibility) shows access is related to land value. The marginal effect (that is the change in land value due to the change in accessibility) is much, much weaker if not nonexistent (depending on the model). This suggests there are diminishing returns to access in mature networks.[read more]

This is a guest post by Ruth Walker.The “complete streets” idea - the concept that streets need to be designed for all users, including pedestrians and cyclists as well as SUVS and fire trucks - has caught on well in recent years. Maybe it’s caught on too well, in fact.   That was one of the messages in the NU 202 session on “...[read more]

In Yale University’s Environment 360, science writer Carl Zimmer outlines how some ecologists are applying network theory to understand the “small-world” networks that form and sustain ecosystems. Zimmer relates how the “Six Degrees of Kevin Bacon” idea of intimate linkages can be used to understand how different animal and plant...[read more]