Western harmony is comprised of sequences of chords, which obey grammatical rules. It is of interest to develop a compact representation of the harmonic movement of chord sequences. Here, we apply an approach from analysis of complex networks, known as "network motifs" to define repeating...

In Turkey, the process of squatterisation can best be traced to the increase in its urban population from 24 percent in 1950 to 59 percent in 2000. In the periods up to the present, the prevention, improvement and renewal of squatter settlements were not achieved within the existing legal...