Powell-Mason cable car line
E109261
The Powell-Mason cable car line is one of San Francisco’s historic cable car routes, carrying passengers between the bustling waterfront and the hilltop neighborhoods, including Nob Hill.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Powell–Mason cable car line | 6 |
| San Francisco cable car Powell–Mason line | 2 |
| Powell Street cable car lines | 1 |
| Powell Street cable car network | 1 |
| Powell-Mason cable car line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T892267 — 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: Powell-Mason cable car line Context triple: [Nob Hill, traversedBy, Powell-Mason cable car line]
-
A.
Powell–Hyde cable car line
The Powell–Hyde cable car line is one of San Francisco’s historic cable car routes, running from Market Street over Nob Hill and Russian Hill to the city’s northern waterfront near Fisherman’s Wharf.
-
B.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
C.
Aerial Tram
The Aerial Tram is a cable-driven urban transit system in Portland, Oregon, that carries passengers between the South Waterfront district and Oregon Health & Science University on Marquam Hill.
-
D.
Boston Elevated Railway
The Boston Elevated Railway was a former public transit company that operated Boston’s early elevated and streetcar lines before being succeeded by the modern MBTA system known as “the T.”
-
E.
Wellington Cable Car
The Wellington Cable Car is a historic funicular railway in New Zealand’s capital that runs between downtown Wellington and the hilltop suburb of Kelburn, offering scenic views over the city and harbor.
- 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: Powell-Mason cable car line Target entity description: The Powell-Mason cable car line is one of San Francisco’s historic cable car routes, carrying passengers between the bustling waterfront and the hilltop neighborhoods, including Nob Hill.
-
A.
Powell–Hyde cable car line
The Powell–Hyde cable car line is one of San Francisco’s historic cable car routes, running from Market Street over Nob Hill and Russian Hill to the city’s northern waterfront near Fisherman’s Wharf.
-
B.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
C.
Aerial Tram
The Aerial Tram is a cable-driven urban transit system in Portland, Oregon, that carries passengers between the South Waterfront district and Oregon Health & Science University on Marquam Hill.
-
D.
Boston Elevated Railway
The Boston Elevated Railway was a former public transit company that operated Boston’s early elevated and streetcar lines before being succeeded by the modern MBTA system known as “the T.”
-
E.
Wellington Cable Car
The Wellington Cable Car is a historic funicular railway in New Zealand’s capital that runs between downtown Wellington and the hilltop suburb of Kelburn, offering scenic views over the city and harbor.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
cable car line
ⓘ
public transport route ⓘ tourist attraction ⓘ |
| cableCarSystem |
Powell-Mason cable car line
self-linksurface differs
ⓘ
surface form:
Powell Street cable car network
|
| cityService |
San Francisco County
ⓘ
surface form:
City and County of San Francisco
|
| connectsTo |
Nob Hill
ⓘ
Embarcadero, San Francisco ⓘ
surface form:
San Francisco waterfront
|
| connectsWith |
Market Street transit services at Powell Street
ⓘ
Powell Street terminal ⓘ
surface form:
Powell-Hyde cable car line at Powell Street terminal
|
| fareCategory | premium historic service ⓘ |
| fareSystem | Muni fare system ⓘ |
| governedBy | San Francisco Municipal Transportation Agency ⓘ |
| heritageDesignation | part of National Historic Landmark San Francisco Cable Cars ⓘ |
| heritageStatus | historic transit line ⓘ |
| infrastructureType | street-running rail line ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Francisco ⓘ United States of America ⓘ
surface form:
United States
|
| maintenanceFacility | cable car barn and powerhouse ⓘ |
| notableFeature |
open-air wooden cars
ⓘ
steep hills ⓘ views of San Francisco Bay ⓘ |
| openingDate | 1888 ⓘ |
| operatedBy |
Muni
ⓘ
San Francisco Muni ⓘ
surface form:
San Francisco Municipal Railway
|
| ownership |
San Francisco County
ⓘ
surface form:
City and County of San Francisco
|
| partOf | San Francisco cable car system ⓘ |
| passesThrough |
Nob Hill
ⓘ
surface form:
Nob Hill neighborhood
Russian Hill ⓘ
surface form:
Russian Hill neighborhood
|
| primaryUse | public transportation ⓘ |
| propulsionSystem | cable-driven ⓘ |
| region | San Francisco Bay Area ⓘ |
| runsBetween | Powell Street and Bay Street ⓘ |
| safetySystem | manual brakes ⓘ |
| secondaryUse | tourist service ⓘ |
| serviceType | fixed-route transit ⓘ |
| status | operational ⓘ |
| terminus |
Bay Street
ⓘ
surface form:
Bay Street terminal
Powell Street terminal ⓘ |
| terminusArea |
Fisherman’s Wharf
ⓘ
surface form:
Fisherman’s Wharf area
|
| tourismSignificance | major visitor attraction in San Francisco ⓘ |
| trackGauge | 3 ft 6 in ⓘ |
| traction | underground moving cable ⓘ |
| vehicleType | cable car ⓘ |
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: Powell-Mason cable car line Description of subject: The Powell-Mason cable car line is one of San Francisco’s historic cable car routes, carrying passengers between the bustling waterfront and the hilltop neighborhoods, including Nob Hill.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Powell–Mason cable car line
this entity surface form:
Powell–Mason cable car line
this entity surface form:
Powell–Mason cable car line
this entity surface form:
Powell–Mason cable car line
this entity surface form:
Powell–Mason cable car line
this entity surface form:
San Francisco cable car Powell–Mason line
this entity surface form:
Powell Street cable car lines
Powell-Mason cable car line
→
cableCarSystem
→
Powell-Mason cable car line
self-linksurface differs
ⓘ
this entity surface form:
Powell Street cable car network
this entity surface form:
Powell–Mason cable car line
subject surface form:
Powell Street station
this entity surface form:
San Francisco cable car Powell–Mason line