SP 4260
E662831
SP 4260 is a preserved Southern Pacific Railroad steam locomotive, notable as one of the surviving examples of the railroad’s AC-11 class articulated cab-forward engines.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SP 4260 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7429194 — 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: SP 4260 Context triple: [AC-11, fleetNumbers, SP 4260]
-
A.
Sapiston
Sapiston is a small rural village located in the English county of Suffolk.
-
B.
Aparri
Aparri is a coastal municipality in the province of Cagayan in the Philippines, known historically as a major port and fishing town at the mouth of the Cagayan River.
-
C.
SaiPa
SaiPa is a Finnish professional ice hockey club based in Lappeenranta that competes in the country’s top-tier Liiga.
-
D.
Supay
Supay is a deity from Andean mythology commonly associated with the underworld and the spirits of the dead.
-
E.
Bakumpai
The Bakumpai are an indigenous Dayak ethnic group of central Kalimantan, Indonesia, traditionally living along the Barito River and known for their distinct language and river-based culture.
- 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: SP 4260 Target entity description: SP 4260 is a preserved Southern Pacific Railroad steam locomotive, notable as one of the surviving examples of the railroad’s AC-11 class articulated cab-forward engines.
-
A.
Sapiston
Sapiston is a small rural village located in the English county of Suffolk.
-
B.
Aparri
Aparri is a coastal municipality in the province of Cagayan in the Philippines, known historically as a major port and fishing town at the mouth of the Cagayan River.
-
C.
SaiPa
SaiPa is a Finnish professional ice hockey club based in Lappeenranta that competes in the country’s top-tier Liiga.
-
D.
Supay
Supay is a deity from Andean mythology commonly associated with the underworld and the spirits of the dead.
-
E.
Bakumpai
The Bakumpai are an indigenous Dayak ethnic group of central Kalimantan, Indonesia, traditionally living along the Barito River and known for their distinct language and river-based culture.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | steam locomotive ⓘ |
| belongsToFleet |
Southern Pacific cab-forward locomotives
ⓘ
linked to:
Southern Pacific Cab Forward locomotive
|
| class | Southern Pacific AC-11 ⓘ |
| configuration |
articulated locomotive
ⓘ
cab-forward locomotive ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| designedFor | operation through long tunnels and snow sheds ⓘ |
| fuelType | fuel oil ⓘ |
| gauge | standard gauge ⓘ |
| hasDesignFeature |
articulated engine units
ⓘ
cab located at front of locomotive ⓘ oil-fired boiler ⓘ |
| heritageStatus | surviving example of Southern Pacific cab-forward design ⓘ |
| manufacturer | Baldwin Locomotive Works ⓘ |
| operatedBy |
Southern Pacific Transportation Company
ⓘ
linked to:
Southern Pacific Railroad
|
| operator | Southern Pacific Railroad ⓘ |
| powerType | steam ⓘ |
| railwayCompany |
Southern Pacific
ⓘ
linked to:
Southern Pacific Railroad
|
| railwayLine | Southern Pacific Railroad ⓘ |
| railwayPreservationStatus | preserved ⓘ |
| railwayRegion |
Western United States
ⓘ
linked to:
western United States
|
| usedFor | freight service ⓘ |
| usedOn | mountain grades of the Southern Pacific system ⓘ |
| whyNotable | one of the surviving Southern Pacific AC-11 class cab-forward locomotives ⓘ |
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: SP 4260 Description of subject: SP 4260 is a preserved Southern Pacific Railroad steam locomotive, notable as one of the surviving examples of the railroad’s AC-11 class articulated cab-forward engines.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.