Bay Area toll bridge network
E172509
The Bay Area toll bridge network is a system of major toll bridges connecting key cities and counties around the San Francisco Bay, facilitating regional commuter and freight transportation.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Bay Area toll bridge network canonical | 3 |
| Bay Area toll bridge system | 1 |
| Bay Area toll bridges | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1505080 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bay Area toll bridge network Context triple: [San Mateo–Hayward Bridge, partOf, Bay Area toll bridge network]
-
A.
Portland bridge system
The Portland bridge system is the network of iconic bridges spanning the Willamette and Columbia Rivers that connect Portland’s neighborhoods and support the city’s transportation infrastructure.
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B.
San Mateo–Hayward Bridge
The San Mateo–Hayward Bridge is a major vehicular bridge in the San Francisco Bay Area that carries traffic across the bay between the San Mateo Peninsula and the East Bay.
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C.
San Francisco–Oakland Bay Bridge
The San Francisco–Oakland Bay Bridge is a major multi-span suspension and cantilever bridge connecting San Francisco and Oakland, serving as one of the primary highway links across the central part of the San Francisco Bay.
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D.
Benicia–Martinez Bridge
The Benicia–Martinez Bridge is a major highway and rail crossing over the Carquinez Strait in the San Francisco Bay Area, connecting the cities of Benicia and Martinez.
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E.
Transbay Tube
The Transbay Tube is an underwater rail tunnel beneath San Francisco Bay that carries BART trains between San Francisco and Oakland.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bay Area toll bridge network Target entity description: The Bay Area toll bridge network is a system of major toll bridges connecting key cities and counties around the San Francisco Bay, facilitating regional commuter and freight transportation.
-
A.
Portland bridge system
The Portland bridge system is the network of iconic bridges spanning the Willamette and Columbia Rivers that connect Portland’s neighborhoods and support the city’s transportation infrastructure.
-
B.
San Mateo–Hayward Bridge
The San Mateo–Hayward Bridge is a major vehicular bridge in the San Francisco Bay Area that carries traffic across the bay between the San Mateo Peninsula and the East Bay.
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C.
San Francisco–Oakland Bay Bridge
The San Francisco–Oakland Bay Bridge is a major multi-span suspension and cantilever bridge connecting San Francisco and Oakland, serving as one of the primary highway links across the central part of the San Francisco Bay.
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D.
Benicia–Martinez Bridge
The Benicia–Martinez Bridge is a major highway and rail crossing over the Carquinez Strait in the San Francisco Bay Area, connecting the cities of Benicia and Martinez.
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E.
Transbay Tube
The Transbay Tube is an underwater rail tunnel beneath San Francisco Bay that carries BART trains between San Francisco and Oakland.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
toll bridge system
ⓘ
transportation infrastructure network ⓘ |
| connects |
Alameda County
ⓘ
Contra Costa County ⓘ Marin County ⓘ Napa County ⓘ Oakland ⓘ San Francisco ⓘ San Mateo County, California ⓘ
surface form:
San Mateo County
Santa Clara County ⓘ Solano County ⓘ Sonoma County, California ⓘ
surface form:
Sonoma County
|
| connectsAcross | water barriers in the Bay Area ⓘ |
| connectsMode | road traffic ⓘ |
| economicRole | supports regional economy of the San Francisco Bay Area ⓘ |
| hasCharacteristic |
major regional transportation corridors
ⓘ
toll required for crossing ⓘ |
| hasPart |
Antioch Bridge
ⓘ
Benicia–Martinez Bridge ⓘ Carquinez Bridge ⓘ Dumbarton Bridge ⓘ Golden Gate Bridge ⓘ Richmond–San Rafael Bridge ⓘ San Francisco–Oakland Bay Bridge ⓘ San Mateo–Hayward Bridge ⓘ |
| infrastructureType | road bridge network ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Francisco Bay Area ⓘ United States of America ⓘ
surface form:
United States
|
| operatedBy |
Caltrans
ⓘ
surface form:
California Department of Transportation
Caltrans ⓘ |
| ownedBy |
California, United States
ⓘ
surface form:
State of California
|
| purpose |
facilitate regional commuter transportation
ⓘ
facilitate regional freight transportation ⓘ |
| regionServed | nine-county San Francisco Bay Area ⓘ |
| supports |
interstate highways
ⓘ
state routes ⓘ |
| tollCollection | electronic tolling ⓘ |
| tollSystem | FasTrak ⓘ |
| traverses |
Carquinez Pass
ⓘ
surface form:
Carquinez Strait
San Francisco Bay ⓘ San Pablo Bay ⓘ |
| usedFor |
daily commuting
ⓘ
goods movement ⓘ |
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: Bay Area toll bridge network Description of subject: The Bay Area toll bridge network is a system of major toll bridges connecting key cities and counties around the San Francisco Bay, facilitating regional commuter and freight transportation.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Bay Area toll bridge system
this entity surface form:
Bay Area toll bridges