Facebook
type: Concept
broader: social networking communities

LinkedIn
type: Concept
broader: social networking communities

MySpace
type: Concept
broader: social networking communities

Reddit
type: Concept
broader: social networking communities

Wikipedia
type: Concept
broader: social networking communities

Yahoo!
type: Concept
broader: social networking communities

YouTube
type: Concept
broader: social networking communities

adults-only communities
type: Concept
broader: social networking communities

artists communities
type: Concept
broader: social networking communities

blogs
type: Concept
broader: social networking communities

books communities
type: Concept
broader: social networking communities

classmates
type: Concept
broader: social networking communities

college student communities
type: Concept
broader: social networking communities

concepts
type: Collection
type: ConceptGroup
member: social networking communities

couchsurfing
type: Concept
broader: social networking communities

deviant communities
type: Concept
broader: social networking communities

elitist communities
type: Concept
broader: social networking communities

games communities
type: Concept
broader: social networking communities

investing communities
type: Concept
broader: social networking communities

local political activism communities
type: Concept
broader: social networking communities

mothers communities
type: Concept
broader: social networking communities

movie and tv series communities
type: Concept
broader: social networking communities

music communities
type: Concept
broader: social networking communities

newsgroups
type: Concept
broader: social networking communities

people with disabilities communities
type: Concept
broader: social networking communities

religious communities
type: Concept
broader: social networking communities

scientific communities
type: Concept
broader: social networking communities

social networking communities
type: Concept
broader: social networks
narrower: deviant communities
narrower: Wikipedia
narrower: Facebook
narrower: artists communities
narrower: LinkedIn
narrower: blogs
narrower: elitist communities
narrower: Reddit
narrower: Yahoo!
narrower: music communities
narrower: books communities
narrower: college student communities
narrower: classmates
narrower: adults-only communities
narrower: investing communities
narrower: YouTube
narrower: newsgroups
narrower: local political activism communities
narrower: teen communities
narrower: people with disabilities communities
narrower: MySpace
narrower: movie and tv series communities
narrower: religious communities
narrower: mothers communities
narrower: couchsurfing
narrower: games communities
narrower: scientific communities

social networks
type: Concept
narrower: social networking communities

teen communities
type: Concept
broader: social networking communities