Electronic Journal Information Systems Evaluation Volume 15 Issue 1 2012
Figure 4: Total crimes in Lisbon
Figure 5: Ratio of total crimes per square Km in Lisbon The data used for the calculation was from 2001, the Population Census conducted by the National Statistics Institute (INE). It would be appropriate to use more recent values (for example the population in 2009) but it was not possible due to the fact that the census is made every 10 years. www.ejise.com
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