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.