Yahoo!
type: Concept
broader: social networking communities
broader: search engines
definition: Yahoo! Inc. is a global Internet communications, commerce, and media company with headquarters in Sunnyvale, California, and offices in Europe, Asia, Latin America, Australia, and Canada. [Source: Encyclopedia of Social Networks; Yahoo!]

organizations
type: Collection
type: ConceptGroup
member: Yahoo!

search engines
type: Concept
narrower: Yahoo!

social networking communities
type: Concept
narrower: Yahoo!