APT-E
E532313
APT-E was an experimental British tilting high-speed train prototype developed in the 1970s to test advanced technologies for the Advanced Passenger Train program.
All labels observed (3)
How this entity was disambiguated
This entity first appeared as the object of triple T5560010 — 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: APT-E Context triple: [Advanced Passenger Train, hasVariant, APT-E]
-
A.
APT
APT is a widely used command-line package management tool for installing, updating, and removing software on Debian-based Linux systems.
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B.
AET
AET is the former stock ticker symbol for Aetna Inc., a major U.S. health insurance and managed care company.
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C.
ATE
ATE is a U.S. National Science Foundation program that supports the education and training of technicians for advanced technology fields through partnerships between two-year colleges, industry, and other educational institutions.
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D.
Ettercap
Ettercap is a network security tool used for sniffing, intercepting, and manipulating traffic on local area networks, commonly employed for man-in-the-middle attacks and protocol analysis.
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E.
AAPT
AAPT is a professional organization dedicated to advancing the teaching and learning of physics at all educational levels.
- 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: APT-E Target entity description: APT-E was an experimental British tilting high-speed train prototype developed in the 1970s to test advanced technologies for the Advanced Passenger Train program.
-
A.
APT
APT is a widely used command-line package management tool for installing, updating, and removing software on Debian-based Linux systems.
-
B.
AET
AET is the former stock ticker symbol for Aetna Inc., a major U.S. health insurance and managed care company.
-
C.
ATE
ATE is a U.S. National Science Foundation program that supports the education and training of technicians for advanced technology fields through partnerships between two-year colleges, industry, and other educational institutions.
-
D.
Ettercap
Ettercap is a network security tool used for sniffing, intercepting, and manipulating traffic on local area networks, commonly employed for man-in-the-middle attacks and protocol analysis.
-
E.
AAPT
AAPT is a professional organization dedicated to advancing the teaching and learning of physics at all educational levels.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
experimental train
ⓘ
gas-turbine multiple unit ⓘ tilting train prototype ⓘ |
| brakeType |
disc brakes
ⓘ
hydrokinetic brakes ⓘ |
| carBodyMaterial | aluminium ⓘ |
| category | British experimental railway locomotive and rolling stock ⓘ |
| configuration | four-car articulated trainset ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designation | Advanced Passenger Train – Experimental NERFINISHED ⓘ |
| designFeature |
articulated bogies between cars
ⓘ
lightweight aluminium alloy construction ⓘ pressure-sealed body for high-speed running ⓘ |
| developer | British Rail Research Division NERFINISHED ⓘ |
| developmentLocation | Derby Railway Technical Centre NERFINISHED ⓘ |
| era | 1970s ⓘ |
| influenced | later British tilting train designs ⓘ |
| introduced | 1972 ⓘ |
| manufacturer | British Rail Engineering Limited NERFINISHED ⓘ |
| notableRecord | one of the fastest British trains of its era ⓘ |
| numberBuilt | 1 ⓘ |
| numberOfCars | 4 ⓘ |
| operator | British Rail NERFINISHED ⓘ |
| partOf | Advanced Passenger Train program NERFINISHED ⓘ |
| powerCarCount | 2 ⓘ |
| powerType | gas turbine ⓘ |
| preservedAt | National Railway Museum NERFINISHED ⓘ |
| preservedLocation | Shildon NERFINISHED ⓘ |
| programGoal | enable higher speeds on existing curved main lines ⓘ |
| purpose |
development of high-speed braking systems
ⓘ
development of lightweight construction techniques ⓘ development of tilting mechanisms ⓘ testbed for high-speed rail technologies ⓘ |
| railwayAdministration | British Railways Board NERFINISHED ⓘ |
| retired | 1976 ⓘ |
| safetySystemTested | high-speed signalling and control concepts ⓘ |
| status | preserved ⓘ |
| successor | APT-P NERFINISHED ⓘ |
| testingRoute |
Old Dalby Test Track
NERFINISHED
ⓘ
West Coast Main Line NERFINISHED ⓘ |
| tiltingTechnology | active tilt system ⓘ |
| topSpeedAchieved |
approximately 152 mph
ⓘ
approximately 244 km/h ⓘ |
| trackGauge | standard gauge ⓘ |
| tractionMotors | gas-turbine driven alternators with electric traction ⓘ |
| trailerCarCount | 2 ⓘ |
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: APT-E Description of subject: APT-E was an experimental British tilting high-speed train prototype developed in the 1970s to test advanced technologies for the Advanced Passenger Train program.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
APT-P
this entity surface form:
APT-S