Extraction of Multilayered Social Networks from Activity Data

Table 4

Number of activities before and after flattening; “+” denotes activates which were created during a given flattening process.

Activity type	Number of activities before flattening (in HPSN)	Number of activities after flattening (in FPSN)
		New	Final objects: topic groups	New	Final objects: topics	New	Final objects: posts
Forum creation activity	1	+	692	+	2336	+	1,3272
Topic group addition	692		692	+	2336	+	13,272
Topic addition	2,336		2,336		2336	+	13,272
Topic member subscribing	5,788		5,788		5788		793,245
Post authoring	13,272		13,272		13,272		13,272
Post commenting	49		49		49		49