Triple
T759211
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MARC |
E16027
|
entity |
| Predicate | usesRollingStockFrom |
P5426
|
FINISHED |
| Object |
Bombardier
Bombardier is a major Canadian manufacturer of trains and rail equipment widely used by transit agencies around the world.
|
E97324
|
NE FINISHED |
How this triple was built (5 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 | Statement: [MARC, usesRollingStockFrom, Bombardier]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bombardier Context triple: [MARC, usesRollingStockFrom, Bombardier]
-
A.
Embraer
Embraer is a Brazilian aerospace company best known globally for designing and manufacturing regional and business jets used by airlines and operators worldwide.
-
B.
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.
-
C.
Airbus
Airbus is a major European aerospace corporation known for designing and manufacturing commercial airliners such as the A320, A330, and A380 families.
-
D.
McDonnell Douglas
McDonnell Douglas was a major American aerospace manufacturer and defense contractor known for producing commercial airliners and military aircraft before merging with Boeing in 1997.
-
E.
Bombardier M5000
The Bombardier M5000 is a modern, low-floor light rail tram used extensively on the Manchester Metrolink network in the United Kingdom.
- 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 Triple: [MARC, usesRollingStockFrom, Bombardier]
Generated description
Bombardier is a major Canadian manufacturer of trains and rail equipment widely used by transit agencies around the world.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bombardier Target entity description: Bombardier is a major Canadian manufacturer of trains and rail equipment widely used by transit agencies around the world.
-
A.
Embraer
Embraer is a Brazilian aerospace company best known globally for designing and manufacturing regional and business jets used by airlines and operators worldwide.
-
B.
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.
-
C.
Airbus
Airbus is a major European aerospace corporation known for designing and manufacturing commercial airliners such as the A320, A330, and A380 families.
-
D.
McDonnell Douglas
McDonnell Douglas was a major American aerospace manufacturer and defense contractor known for producing commercial airliners and military aircraft before merging with Boeing in 1997.
-
E.
Bombardier M5000
The Bombardier M5000 is a modern, low-floor light rail tram used extensively on the Manchester Metrolink network in the United Kingdom.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: usesRollingStockFrom Context triple: [MARC, usesRollingStockFrom, Bombardier]
-
A.
usesRollingStock
chosen
Indicates that one entity employs or operates specific rolling stock (such as rail vehicles) in its activities or services.
-
B.
rollingStockType
Indicates the specific category or type of railway rolling stock associated with an entity (e.g., locomotive, passenger car, freight wagon).
-
C.
introducedRollingStock
Indicates that an entity caused new rolling stock (such as trains or rail vehicles) to be put into service or use.
-
D.
railwayCarriageUsedFor
Indicates that a railway carriage is employed or designated for a particular purpose, function, or type of use.
-
E.
replacedRollingStock
Indicates that one rolling stock asset has been substituted or superseded by another in service or operational use.
- F. None of above.
Provenance (6 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_69a493684ee48190bd43b7c78da4aec8 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a67f9778819098d3c144dd26b976 |
completed | March 1, 2026, 8:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a76d78649c8190969a3c0c2b5a8e4d |
completed | March 3, 2026, 11:23 p.m. |
| NEDg | Description generation | batch_69a78cae18fc81908fabe38c97b71184 |
completed | March 4, 2026, 1:36 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a78d2f349081908273db1e68b7f15e |
completed | March 4, 2026, 1:38 a.m. |
| PD | Predicate disambiguation | batch_69a4a50348088190873a1446db657a78 |
completed | March 1, 2026, 8:43 p.m. |
Created at: March 1, 2026, 7:37 p.m.