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Articles Tagged: Online advertising

Articles & Features

SECTION: Features

The Hurdles of Political Ad Transparency in Brazil

Online advertising is at the forefront of election strategies for most political candidates. As advertising platforms shape the targeting and distribution of political ads, the transparency of this process is essential for democracy. However, there are still significant barriers in studying these systems, creating an environment where research can be a challenge.

By Samuel Da Silva Guimarães, Mãrcio Silva, Fabrício Benevenuto, June 2025

PDF | HTML | In the Digital Library

The business of clouds

The business of clouds

At the turn of the 20th century, companies stopped generating their own power and plugged into the electricity grid. In his now famous book The Big Switch, Nick Carr analogizes those events of a hundred years ago to the tectonic shift taking place in the technology industry today.

By Guy Rosen, March 2010

PDF | HTML | In the Digital Library

AmazonViz

This article describes a technique to visualize query results, representing purchase orders placed on Amazon.com, along a traditional 2-D scatter plot and a space-filling spiral. We integrate 3-D objects that vary their spatial placement, color, and texture properties into a visualization algorithm. This algorithm represents important aspects of a purchase order based on experimental results from human vision, computer graphics, and psychology. The resulting visual abstractions are used by viewers to rapidly and effectively explore and analyze the underlying purchase orders data.

By Amit Prakash Sawant, Christopher G. Healey, Dongfeng Chen, Rada Chirkova, March 2009

PDF | HTML | In the Digital Library

Digital blasphemy

By Cara Cocking, December 2008

PDF | HTML | In the Digital Library

RAS

By Jarrod Trevathan, Wayne Read, August 2006

PDF | HTML | In the Digital Library