Martinez, California

E93615

Martinez, California is a historic waterfront city in the San Francisco Bay Area known as the county seat of Contra Costa County and for its role as a regional rail and transportation hub.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (4)

Label Occurrences
Martinez, California canonical 25
Martinez, California, United States 6
Martinez 4

Statements (48)

Predicate Object
instanceOf city
county seat
areaCode 925
associatedWithPerson John Muir
climate Mediterranean climate
country United States of America
surface form: United States
county Contra Costa County
elevationAboveSeaLevel approximately 10 meters
approximately 33 feet
FIPSCode 06-46046
GNISFeatureID 0277564
governmentType council–manager government
hasHistoricDistrict Downtown Martinez historic district
hasHistoricSignificance one of the older towns in Contra Costa County
hasLandmark Contra Costa County Courthouse
John Muir National Historic Site
Martinez Marina
hasMajorHighway Interstate 680
State Route 4
hasMayorCouncilForm yes
hasOfficialWebsite https://www.cityofmartinez.org/
hasRailService Amtrak
hasRailStation Martinez Amtrak station
hasWaterBody Alhambra Creek
incorporatedAsCity 1876
isCountySeatOf Contra Costa County
knownFor county government center
historic downtown
role as regional rail hub
waterfront and marina
locatedIn San Francisco Bay Area
locatedInRegion East Bay
locatedInTimeZone Pacific Time Zone
locatedNear Benicia
surface form: Benicia, California

Concord, California, United States
surface form: Concord, California

Walnut Creek, California
locatedNortheastOf San Francisco, California, United States of America
surface form: San Francisco, California
locatedOn Carquinez Pass
surface form: Carquinez Strait
locatedWestOf Sacramento
surface form: Sacramento, California
partOfMetropolitanArea San Francisco Bay Area
surface form: San Francisco–Oakland–Berkeley metropolitan area
postalCode 94553
regionCode US-CA
servedByRailLine California Zephyr
Amtrak Capitol Corridor
surface form: Capitol Corridor

Coast Starlight
San Joaquins
state California, United States
surface form: California
timeZoneDST Pacific Time Zone
surface form: Pacific Daylight Time

How these facts were elicited

The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.

Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10.

# Requirements
- If you don't know the subject at all, return an empty list.
- If the subject is not a named entity, return an empty list.
- Include at least one triple where predicate is "instanceOf".
- Do not get too wordy.
- Separate several objects into multiple triples with one object.
Input
Subject: Martinez, California
Description of subject: Martinez, California is a historic waterfront city in the San Francisco Bay Area known as the county seat of Contra Costa County and for its role as a regional rail and transportation hub.

Referenced by (37)

Full triples — surface form annotated when it differs from this entity's canonical label.

Amtrak Capitol Corridor servesCity Martinez, California
Joe DiMaggio placeOfBirth Martinez, California
this entity surface form: Martinez, California, United States
John Muir burialPlace Martinez, California
this entity surface form: Martinez, California, United States
John Muir residence Martinez, California
this entity surface form: Martinez, California, United States
Contra Costa County hasCountySeat Martinez, California
Suisun Bay locatedNear Martinez, California
this entity surface form: City of Martinez, California
East Bay contains Martinez, California
Contra Costa Canal suppliesWaterTo Martinez, California
The Yankee Clipper placeOfBirth Martinez, California
subject surface form: Joe DiMaggio
this entity surface form: Martinez, California, United States
Bay Point, California locatedEastOf Martinez, California
Carquinez Strait Regional Shoreline locatedNear Martinez, California
Briones Regional Park hasAccessPoint Martinez, California
Vine Hill, California locatedNear Martinez, California
Vine Hill, California adjacentTo Martinez, California
Vine Hill, California nearestCity Martinez, California
Vine Hill, California economicLink Martinez, California
Joltin' Joe birthPlace Martinez, California
subject surface form: Joe DiMaggio
this entity surface form: Martinez, California, United States
California State Route 4 passesThrough Martinez, California
this entity surface form: Martinez
Vince DiMaggio placeOfBirth Martinez, California
this entity surface form: Martinez, California, United States
Louisa Wanda Strentzel residence Martinez, California
Louisa Wanda Strentzel placeOfActivity Martinez, California
Port Costa, California locatedNear Martinez, California
Crockett, California locatedNear Martinez, California
Interstate 680 connectsCity Martinez, California
Benicia–Martinez Bridge connects Martinez, California
Benicia–Martinez Bridge namedAfter Martinez, California
this entity surface form: Martinez
Pleasant Hill, California neighboringCity Martinez, California
Hercules, California locatedWestOf Martinez, California
Pacheco, California locatedNear Martinez, California
Clyde, California locatedNear Martinez, California
State Route 4 passesThrough Martinez, California
subject surface form: State Route 4 (California)
Benicia locatedNear Martinez, California
this entity surface form: Martinez
County Connection operatesInCity Martinez, California
Contra Costa Canal Trail passesThrough Martinez, California
Martinez Reservoir locatedNear Martinez, California
this entity surface form: City of Martinez, California
San Joaquins route servesCity Martinez, California
this entity surface form: Martinez