California
type: Concept
narrower: San Francisco

San Francisco
type: Concept
broader: cities
broader: California
definition: California's fourth-largest city, with a population of about 750,000 in the early 2000s, lies at the heart of a metropolitan region of more than 7 million people. The area, which encompasses Oakland and San Jose, was the country's sixth-ranked market in 2008. [Source: Encyclopedia of Journalism; San Francisco]

cities
type: Concept
narrower: San Francisco

concepts
type: Collection
type: ConceptGroup
member: San Francisco