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. 2014 Apr 11;9(4):e94429. doi: 10.1371/journal.pone.0094429

Table 1. Evolution of interdisciplinarity.

COPRA “Louvain” OSLOM
network Inline graphic (Inline graphic)] Inline graphic (Inline graphic) Inline graphic (Inline graphic)
Inline graphic 0.470 (16) 0.415 (12) 0.487 (14)
Inline graphic 0.501 (41) 0.484 (36) 0.545 (35)
Inline graphic 0.550 (81) 0.524 (74) 0.553 (57)
Inline graphic 0.559 (118) 0.534 (117) 0.590 (76)
Inline graphic 0.542 (197) 0.493 (193) 0.588 (132)
Inline graphic 0.531 (282) 0.495 (291) 0.587 (170)
Inline graphic 0.518 (395) 0.501 (429) 0.554 (222)
Inline graphic 0.503 (515) 0.485 (550) 0.549 (294)
Inline graphic 0.494 (604) 0.482 (689) 0.559 (391)

Interdisciplinarity of Inline graphic with 5 year resolution, and the number of communities with more than five members Inline graphic (in brackets), during the examined time period, as obtained with the “Louvain” method, the COPRA algorithm and the OSLOM algorithm. While the number of communities increases steadily, the average level of interdisciplinarity within them remains fairly constant (see also Fig. 3).