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The Image of a Data City: Studying the Hyperlocal with Social Media

Journal Paper
Manovich, Lev and Indaco, Agustin
Architectural Design, Volume 87, Issue 1 January/February 2017 Pages 110–117

Sharing photos, videos and comments on social media may seem an idle pastime, but it is not without its uses where urban design is concerned. Analysing such posts can yield helpful indicators as to how people experience the built environment. Lev Manovich and Agustin Indaco, of the Software Studies Lab at the University of California, San Diego and the Graduate Center, City University of New York, here outline two of the Lab’s recent research projects, which have involved examining extensive Instagram data from various cities around the globe.

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Social Media Inequality: Definition, Measurements, and Application

Journal Paper
Agustin Indaco & Lev Manovich
Forthcoming in Urban Studies and Practices journal


Social media content shared today in cities, such as Instagram images, their tags and descriptions, is the key form of contemporary city life. It tells people where activities and locations that interest them are and it allows them to share their urban experiences and self-representations.

Therefore, any analysis of urban structures and cultures needs to consider social media activity. In our paper, we introduce the novel concept of social media inequality. This concept allows us to quantitatively compare pattern in social media activities between parts of a city, a number of cities, or any other spatial areas.

We define this concept using an analogy with the concept of economic inequality. Economic inequality indicates how some economic characteristics or material resources, such as income, wealth or consumption are distributed in a city, country or between countries. Accordingly, we define social media inequality as unequal spatial distribution of social media sharing in a particular geographic area or between areas. To quantify such distributions, we can use many characteristics of social media such as number of people sharing it, the number of photos they have shared, their content, and user assigned tags.

We propose that the standard inequality measures used in other disciplines, such as the Gini coefficient, can also be used to characterize social media inequality. To test our ideas, we use a dataset of 7,442,454 public geo-coded Instagram images shared in Manhattan during five months (March-July) in 2014, and also selected data for 287 Census tracts in Manhattan. We compare patterns in Instagram sharing for locals and for visitors for all tracts, and also for hours in a 24 hour cycle. We also look at relations between social media inequality and socio-economic inequality using selected indicators for Census tracts. The inequality of Instagram sharing in Manhattan turns out to be bigger than inequalities in levels of income, rent, and unemployment.

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Industrial Development in Argentina (in Spanish)

Journal Paper
Indaco, Agustín and Indaco, Alfredo A.
Boletín Techint



Taking as reference a group of comparable countries, this paper aims to explain the historical evolution and the current situation of Argentina’s industrial development. Industrial development depends a large number of factors and circumstances. In this paper we have evaluated eight of these factors: degree of innovation, bureaucracy , education, investment , spending on research and development, access to credit, technological complexity of manufacturing products and economic benefits from commerce with trading partners . The data presented show that in all these items, Argentina is in a very unfavorable position compared to the other countries taken reference. Necessary reforms need to be made to improve the countries relative performance if it aims to enhance its industrial development.



El presente trabajo pretende explicar la evolución histórica y la situación actual de la industria nacional, tomando como referencia un grupo de países que tienen cierto grado de afinidad con la Argentina, o al menos característica replicables. El desarrollo industrial depende de un gran número de factores y circunstancias. En este trabajo se han evaluado ocho de estos factores: grado de innovación, burocracia, nivel educativo, inversiones, gasto en investigación y desarrollo, acceso al crédito, complejidad tecnológica de manufacturas y beneficios derivados de socios comerciales. Los datos presentados muestran que en todos estos rubros, la Argentina se encuentra en una posición muy poco favorable respecto del resto de los países tomados como referencia por lo que deben realizarse los esfuerzos necesarios para mejorar su performance relativa si se pretende lograr el desarrollo sustentable del tejido industrial.