Extraction of Multilayered Social Networks from Activity Data

Table 5

Layers in SN and their profile for three different flattening processes.

Layer	New	Number of pairs of users (relationships) with common activities on the layer of SN
		Moved	Topic groups	Moved	Topics	Topics/; topic groups	Moved	Posts	Posts/; topics
Forum creation activity—group addition	+		671		2,252	3.36		12,922	5.74
Forum creation activity—topic addition	+		2,313		2,313	1.00		13,157	5.69
Forum creation activity—member subscribing	+		5,760		111,544	19.37		792,732	7.11
Forum creation activity—post authoring	+		13,233		13,233	1.00		13,233	1.00
Forum creation activity—commenting	+		49		49	1.00		49	1.00
Group addition—topic addition	+		1,614		1,614	1.00		8,821	5.47
Group addition—member subscribing	+		5,116		109,377	21.38		780,312	7.13
Group addition—post authoring	+		12,206		12,206	1.00		12,206	1.00
Group addition—commenting	+		49		49	1.00		49	1.00
Topic addition—member subscribing		+	109,376		109,376	1.00	+	780,445	7.14
Topic addition—post authoring	+		302,961		9,849	0.03		9,849	1.00
Topic addition—commenting	+		1,060		44	0.04		44	1.00
Member subscribing—member subscribing		+	289,740	+	12,342,690	42.60	+	83,495,278	6.76
Member subscribing—post authoring	+		779,973		779,973	1,00		779,973	1.00
Member subscribing—commenting	+		2,903		2,903	1.00		2,903	1.00
Post authoring—post authoring	+		2,449,226		376,978	0.15		0	0
Post authoring—commenting		+	9,340	+	1,703	0.18		44	0.03
			3,985,590		13,876,153	3.48		86,702,017	6.25
Sum:			New: 90%		New: 10%			New: 3%
			Moved: 10%		Moved: 90%			Moved: 97%