Place and services-centered

PetrolWatch

PetrolWatch facilitate price comparisons of fuel at different locations. Instead of manually reporting the prices, the participants use their mobile phones to take pictures of the displayed prices.

LiveCompare

Livecompare provides services to identify the most economic grocery stores. The participants only need to take pictures of a product’s price tag and its barcode. The barcode is decoded into […]

MobiShop

MobiShop is a distributed computing system designed to collect, process and deliver product pricing information from street-side shops to potential buyers, on their mobile phones. In addition, it can also serve as an […]

Demoro

The proposal presented in this work was implemented as a mobile application (named Demorô) using technologies like PHP, Symfony, jQuery Mobile and MongoDB.