Triple
T11646993
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | U1 (Vienna U-Bahn) |
E276799
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
Type V train
The Type V train is a modern, air-conditioned electric multiple unit used on the Vienna U-Bahn, featuring wide gangways, low-floor access, and advanced passenger information systems.
|
E938852
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Type V train | Statement: [U1 (Vienna U-Bahn), rollingStock, Type V train]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Type V train Context triple: [U1 (Vienna U-Bahn), rollingStock, Type V train]
-
A.
Class 150 train
The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
-
B.
XPT train
The XPT train is a long-distance, high-speed diesel passenger train used in New South Wales, Australia, based on the British InterCity 125 design.
-
C.
Intercity V set
The Intercity V set is a class of stainless-steel electric multiple unit trains that have long served as iconic intercity and outer-suburban passenger trains in New South Wales, Australia.
-
D.
Class 756 train
The Class 756 train is a modern tri-mode (electric, battery, and diesel) multiple unit designed for regional and commuter services in Wales as part of Transport for Wales Rail’s fleet modernization.
-
E.
Class 507 electric multiple units
The Class 507 electric multiple units are a fleet of third-rail suburban electric trains built in the late 1970s for commuter services around Liverpool, now primarily operating on the Merseyrail network.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Type V train Triple: [U1 (Vienna U-Bahn), rollingStock, Type V train]
Generated description
The Type V train is a modern, air-conditioned electric multiple unit used on the Vienna U-Bahn, featuring wide gangways, low-floor access, and advanced passenger information systems.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Type V train Target entity description: The Type V train is a modern, air-conditioned electric multiple unit used on the Vienna U-Bahn, featuring wide gangways, low-floor access, and advanced passenger information systems.
-
A.
Class 150 train
The Class 150 train is a British diesel multiple unit introduced in the 1980s for regional and commuter services, widely used across the UK rail network.
-
B.
XPT train
The XPT train is a long-distance, high-speed diesel passenger train used in New South Wales, Australia, based on the British InterCity 125 design.
-
C.
Intercity V set
The Intercity V set is a class of stainless-steel electric multiple unit trains that have long served as iconic intercity and outer-suburban passenger trains in New South Wales, Australia.
-
D.
Class 756 train
The Class 756 train is a modern tri-mode (electric, battery, and diesel) multiple unit designed for regional and commuter services in Wales as part of Transport for Wales Rail’s fleet modernization.
-
E.
Class 507 electric multiple units
The Class 507 electric multiple units are a fleet of third-rail suburban electric trains built in the late 1970s for commuter services around Liverpool, now primarily operating on the Merseyrail network.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d6aafbb3c081908a9cdb4ecb8d981d |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a2cc8bfc8190a063cc37de9596a9 |
completed | April 10, 2026, 7:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ee87f903c48190b9055ad4cfebb1e1 |
completed | April 26, 2026, 9:47 p.m. |
| NEDg | Description generation | batch_69eeb314eef0819091a949bbfc820ee9 |
completed | April 27, 2026, 12:51 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69eee9a79d348190bb3e15f0d37b9d57 |
completed | April 27, 2026, 4:44 a.m. |
Created at: April 8, 2026, 9:39 p.m.