Triple

T5841781
Position Surface form Disambiguated ID Type / Status
Subject Dellner automatic couplers E129610 entity
Predicate usedOn P2367 FINISHED
Object Bombardier Class 222 Meridian
The Bombardier Class 222 Meridian is a high-speed diesel-electric multiple unit train used on intercity services in the United Kingdom, known for its tilting-capable design lineage and operation by operators such as East Midlands Railway.
E23434 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: Bombardier Class 222 Meridian | Statement: [Dellner automatic couplers, usedOn, Bombardier Class 222 Meridian]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bombardier Class 222 Meridian
Context triple: [Dellner automatic couplers, usedOn, Bombardier Class 222 Meridian]
  • A. Bombardier M5000
    The Bombardier M5000 is a modern, low-floor light rail tram used extensively on the Manchester Metrolink network in the United Kingdom.
  • B. Bombardier REGIO
    Bombardier REGIO is a family of regional and commuter trains developed by Bombardier for short- to medium-distance passenger rail services.
  • C. Bombardier ART Mark II
    The Bombardier ART Mark II is a second-generation automated rapid transit vehicle used in driverless metro and light metro systems worldwide.
  • D. Bombardier Voyager family
    The Bombardier Voyager family is a series of high-speed diesel-electric multiple unit trains used for intercity passenger services in the United Kingdom.
  • E. De Havilland Canada Dash 8
    The De Havilland Canada Dash 8 is a family of twin‑engine, high‑wing turboprop regional airliners known for their short takeoff and landing performance and widespread use on short-haul routes worldwide.
  • 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: Bombardier Class 222 Meridian
Triple: [Dellner automatic couplers, usedOn, Bombardier Class 222 Meridian]
Generated description
The Bombardier Class 222 Meridian is a high-speed diesel-electric multiple unit train used on intercity services in the United Kingdom, known for its tilting-capable design lineage and operation by operators such as East Midlands Railway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bombardier Class 222 Meridian
Target entity description: The Bombardier Class 222 Meridian is a high-speed diesel-electric multiple unit train used on intercity services in the United Kingdom, known for its tilting-capable design lineage and operation by operators such as East Midlands Railway.
  • A. Bombardier M5000
    The Bombardier M5000 is a modern, low-floor light rail tram used extensively on the Manchester Metrolink network in the United Kingdom.
  • B. Bombardier REGIO
    Bombardier REGIO is a family of regional and commuter trains developed by Bombardier for short- to medium-distance passenger rail services.
  • C. Bombardier ART Mark II
    The Bombardier ART Mark II is a second-generation automated rapid transit vehicle used in driverless metro and light metro systems worldwide.
  • D. Bombardier Voyager family chosen
    The Bombardier Voyager family is a series of high-speed diesel-electric multiple unit trains used for intercity passenger services in the United Kingdom.
  • E. De Havilland Canada Dash 8
    The De Havilland Canada Dash 8 is a family of twin‑engine, high‑wing turboprop regional airliners known for their short takeoff and landing performance and widespread use on short-haul routes worldwide.
  • F. None of above.

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_69c0084bd31c8190a796bb6284845e83 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c034d876fc819089818c731116af56 completed March 22, 2026, 6:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0e361ad508190928f0ce0f12231c9 completed March 23, 2026, 6:53 a.m.
NEDg Description generation batch_69c0e6d628248190aafc97f856a98bc5 completed March 23, 2026, 7:08 a.m.
NED2 Entity disambiguation (via description) batch_69c0e72dffe081909bcb917ec0b6b507 completed March 23, 2026, 7:09 a.m.
Created at: March 22, 2026, 3:54 p.m.