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.