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Mar 22
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Driving the Internet: Mobile Internets, Cars, and the Social

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Carrying on the theme of new papers, we are pleased to announce the following publication:
Future Internet 2012, 4(1), 306-321; doi:10.3390/fi4010306
Article

Driving the Internet: Mobile Internets, Cars, and the Social

Department of Media and Communications, The University of Sydney, Holme Building (Ao9a), Sydney NSW 2006, Australia
Received: 22 December 2011; in revised form: 7 March 2012 / Accepted: 14 March 2012 / Published: 20 March 2012
(This article belongs to the Special Issue Social Transformations from the Mobile Internet)
Abstract: This paper looks at the tandem technologies of cars and the Internet, and the new ways that they are assembling the social with the mobile Internet. My argument is two-fold: firstly, the advent of mobile Internet in cars brings together new, widely divergent trajectories of Internet; secondly, such developments have social implications that vary widely depending on whether or not we recognize the broader technological systems and infrastructures, media practices, flows, and mobilities in which vehicular mobile Internets are being created.

Download the full text from Future Internet…
Mar 21
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Characteristics of Heavily Edited Objects in OpenStreetMap

By OSM Future Internet Paper OpenStreetMap No Comments
As Editor of Future Internet (ISSN 1999-5903), an open access journal on Internet technologies and the information society, published by MDPI online we are pleased to announce the publication of the latest paper:

Characteristics of Heavily Edited Objects in OpenStreetMap

1 Department of Computer Science, National University of Ireland, Maynooth, Ireland2 School of Computer Science and Informatics, University College Dublin, Dublin, Ireland



Abstract


This paper describes the results of an analysis of the OpenStreetMap (OSM) database for the United Kingdom (UK) and Ireland (correct to April 2011). 15; 640 OSM ways (polygons and polylines), resulting in 316; 949 unique versions of these objects, were extracted and analysed from the OSM database for the UK and Ireland. 

In our analysis we only considered “heavily edited” objects in OSM: objects which have been edited 15 or more times. Our results show that there is no strong relationship between increasing numbers of contributors to a given object and the number of tags (metadata) assigned to it. 87% of contributions/edits to these objects are performed by 11% of the total 4128 contributors.


 In 79% of edits additional spatial data (nodes) are added to objects. The results in this paper do not attempt to evaluate the OSM data as good/poor quality but rather informs potential consumers of OSM data that the data itself is changing over time. In developing a better understanding of the characteristics of “heavily edited” objects there may be opportunities to use historical analysis in working towards quality indicators for OSM in the future.


As ever with Future Internet the paper is freely available for download…

Mar 21
Love0

Characteristics of Heavily Edited Objects in OpenStreetMap

By OSM Future Internet Paper OpenStreetMap No Comments
As Editor of Future Internet (ISSN 1999-5903), an open access journal on Internet technologies and the information society, published by MDPI online we are pleased to announce the publication of the latest paper:

Characteristics of Heavily Edited Objects in OpenStreetMap

1 Department of Computer Science, National University of Ireland, Maynooth, Ireland2 School of Computer Science and Informatics, University College Dublin, Dublin, Ireland



Abstract


This paper describes the results of an analysis of the OpenStreetMap (OSM) database for the United Kingdom (UK) and Ireland (correct to April 2011). 15; 640 OSM ways (polygons and polylines), resulting in 316; 949 unique versions of these objects, were extracted and analysed from the OSM database for the UK and Ireland. 

In our analysis we only considered “heavily edited” objects in OSM: objects which have been edited 15 or more times. Our results show that there is no strong relationship between increasing numbers of contributors to a given object and the number of tags (metadata) assigned to it. 87% of contributions/edits to these objects are performed by 11% of the total 4128 contributors.


 In 79% of edits additional spatial data (nodes) are added to objects. The results in this paper do not attempt to evaluate the OSM data as good/poor quality but rather informs potential consumers of OSM data that the data itself is changing over time. In developing a better understanding of the characteristics of “heavily edited” objects there may be opportunities to use historical analysis in working towards quality indicators for OSM in the future.


As ever with Future Internet the paper is freely available for download…

Mar 20
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City in a Book: Augmenting the CityEngine

By 3dmax, ar media, Augmented Reality, CASA, CASA MRes, CityEngine, ESRI, The Bartlett No Comments

Over the past few days we have been working on a series of techniques to visualise and augment procedural cities.

If you add in a model of a BenQ projector, the MRes in Advanced Spatial Analysis and Visualisation Handbook, a city within the CASA logo and a webcam you get the following augmented reality:

We are exploring this as part of our digital visualisation module on the MRes here in CASA, aiming to build in the latest research into the lectures. The combination of Lumion, 3DMax, Illustrator, CityEngine and AR is intriguing…

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