In this Special Issue is published a selection of revised papers presented at DCE2015 (1st Doctoral Congress in Engineering, 11-12 June 2015, Porto, Portugal), Symposium on Civil Engineering. As Symposium Committee Coordinator, Professor Raimundo Delgado is the Guest Editor for this issue.

In this Special Issue is published a selection of revised papers presented at DCE2015 (1st Doctoral Congress in Engineering, 11-12 June 2015, Porto, Portugal), Symposium on Electrical and Computer Engineering. As Symposium Committee Coordinator, Professor Aurélio Campilho is the Guest Editor for this issue.