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The Royal Geographical Society Annual International Conference 2011 is under way this week in London. It opened yesterday under the topic The Geographical Imagination and is chaired by Stephen Daniels, University of Nottingham.
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As every year it is going to be a very big event with a lot of paralel sessions. I will be presenting some aspects of the twitter New City Landscape research. The presentation is part of the session organised by Ladan Cockshut of Durham University under the title Getting lost on the way to Farmville“. Virtual, mobile and online spaces of interaction: Exploring the emerging geography and culture of new media technologies. The session starts at 09h00 and is located in the Skempton Building in Room 163 on the Imperial College campus.

The session has four presentations discussing the aspects of emerging social networking geographies. Two of the papers are based on gaming culture and the aspects of locality. One is presented by Kenneth Lim discussing Second Life and especially the SS Galaxy, a cruse ship. Lim’s interest for this part of Second Life stems from the view that a cruse ship is a self contained space providing all the essentials for living whilst on the move. There are of course very interesting connections to be drawn to the 1920 with Le Corbusier for example. He viewed the ocean liner at the ultimate city and admired its independence.

THe second gaming paper will be presented by Ladan Cockshut on Spatial and Interactive Dynamics in World of Warcraft. The third paper is by Amil Mohanan from UCL on the net neutrality debate discussing priotised datatransfer in the network by OFCOM and the possible emergence of a two-tiered market.

My paper is going o be the fourth contribution under the title New City Landscape – Mapping urban online spaces of interaction. The data for this paper is derived from the Twitter service, where users can send information as 140 character message. The platform allows to maintain a pool of followers (friends) with whom one shares the tweets (messages). Technically it is possible to collect every tweet sent via the open API (application programming interface) gaining access to millions of location based messages. From the collected data a new landscape based on density is generated. The features of this landscape of digital activity correspond directly with the physical location of their origin but at the same time represent with hills the peaks of locations from where a lot of messages are sent. The flanks and valleys stand for areas with lesser activity and vast plains and deserts of no tweets stretch across the townscapes. These New City Landscape maps (NCL) don’t represent any physical features, but the interaction with physical features on a temporal basis. The digital realm has become as much part of the urban environment as the physical features and with these tweetography maps they are made visible for the first time.

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Barcelona is in terms of twitter activity one of the cities that has a strong central core of high activity. Very similar to for example the London NCL or the Paris NCL maps.
The highest point is just over the Placa de Catalonia with a steep slope down la Rambla to the Roca Columbus. Other places of high activity are around the parliament, here the ‘Monte di Parliament Catalonia’ and around the Olympic centre on Montjuic.

Barcelona New City Landscape
Image by urbanTick for NCL / Barcelona New City Landscape map generated from location based tweets collected over the period of one week. The area covered is within a 30 km radius of Barcelona.

The Barcelona New City Landscape map has already been published earlier, but it needed an update because of some problems in the processing and labeling. This new version also goes in line with the adjusted layout and design.

Thanks for the help with the map go to Narcis Sastre, who kindly worked it through.

Barcelona New City Landscape

Image by urbanTick using the GMap Image Cutter / Barcelona New City Landscape Use the Google Maps style zoom function in the top right corner to zoom into the map and explore it in detail. Explore areas you know close up and find new locations you have never heard of. Click HERE for a full screen view. The maps were created using our CASA Tweet-O-Meter, in association with DigitalUrban and coded by Steven Gray, this New City Landscape represents location based twitter activity.

Barcelona is very active in the afternoon hours. There is a peak around 15h00, 18h00 and 21h00, after which it quickly drops off. The mornings are very pronounced right after six, however overall far less than the afternoon. Over lunch there is clearly a dip with lesser activity.

Spanish is clearly the dominating language, followed by English. Indonesian, French, Portuguese and Italian are sort of the runner ups. ALso Esperanto is there, this is surprisingly often present in the top ten list and it seems that a lot of people are using it as a statement, since it is not really a spoken language.

Barcelona timeRose
Image by urbanTick for NCL / The rose shows the twitter activity per hour of the day, starting at 00:00 at the top, displayed as local time. Barcelona is a afternoon city with more activity between three and nine than through out the rest of the day. The graphs show the platform of preference used to send the tweet and the language set respectively.

Also, we have the animation ready for the Barcelona data set. This one is put together in collaboration with Anders Johanson. The animation also shows the interaction between the users based on RT and @ tweets with thin yellow lines. This indicates a direction and provides a sense for the distribution of flows.

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