Petrolwatch: Using mobile phones for sharing petrol prices
- Publication Type:
- Poster
- Citation:
- 2009
- Issue Date:
- 2009-06-24
Closed Access
Filename | Description | Size | |||
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MOBISYS2009.pdf | Published version | 330.32 kB |
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Price dispersion of homogeneous goods is widely prevalent
in our economy. For instance, on 18 January 2008, around
9pm, two service stations in Roseville, Sydney, that are less
than 1 km apart, were selling unleaded fuel at 1.359 and
1.439 Australian dollars per litre. Consumers who have access
to the pricing information can benefit economically (e.g., a
5.5% saving in the above scenario). Several websites such
as GasBuddy,motormouth1 enable consumers to compare
fuel prices. However, the fuel price information is collected
manually, by volunteers or employees, which is cumbersome,
error-prone and not up-to-date. In this demo, we will demonstrate
the operation of our PetrolWatch system [2], [3], which
automatically collects fuel prices using camera phones. This
is the first instance of applying participatory sensing [1] in
sharing consumer pricing information.
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