Triple
T21207478
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 222 Meridian |
E522625
|
entity |
| Predicate | bogieType |
P44072
|
FINISHED |
| Object |
Bombardier B5005
The Bombardier B5005 is a type of railway bogie designed by Bombardier for use under modern high-speed diesel multiple units such as the British Rail Class 222 Meridian.
|
E1473618
|
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 B5005 | Statement: [British Rail Class 222 Meridian, bogieType, Bombardier B5005]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bombardier B5005 Context triple: [British Rail Class 222 Meridian, bogieType, Bombardier B5005]
-
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 Turbostar
Bombardier Turbostar is a family of diesel multiple-unit passenger trains built by Bombardier Transportation for regional and suburban services in the United Kingdom.
-
C.
Bombardier Movia
Bombardier Movia is a modular family of modern metro and urban rail trains widely used in rapid transit systems around the world.
-
D.
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.
-
E.
Bombardier ART Mark III
The Bombardier ART Mark III is a modern generation of automated rapid transit rolling stock designed for driverless, high-frequency urban rail systems.
- 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 B5005 Triple: [British Rail Class 222 Meridian, bogieType, Bombardier B5005]
Generated description
The Bombardier B5005 is a type of railway bogie designed by Bombardier for use under modern high-speed diesel multiple units such as the British Rail Class 222 Meridian.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bombardier B5005 Target entity description: The Bombardier B5005 is a type of railway bogie designed by Bombardier for use under modern high-speed diesel multiple units such as the British Rail 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 Turbostar
Bombardier Turbostar is a family of diesel multiple-unit passenger trains built by Bombardier Transportation for regional and suburban services in the United Kingdom.
-
C.
Bombardier Movia
Bombardier Movia is a modular family of modern metro and urban rail trains widely used in rapid transit systems around the world.
-
D.
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.
-
E.
Bombardier ART Mark III
The Bombardier ART Mark III is a modern generation of automated rapid transit rolling stock designed for driverless, high-frequency urban rail systems.
- 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_69e0b5112d8881909510b2dcdc93106d |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e734362c788190bc1b96d3b84c0ad1 |
completed | April 21, 2026, 8:24 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0986e060188190b00ff5cc044c8208 |
completed | May 17, 2026, 9:14 a.m. |
| NEDg | Description generation | batch_6a0987a9ceac819083ecb7988661235a |
completed | May 17, 2026, 9:17 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a09881c2d4c8190ab2cdf5dc99a43b0 |
completed | May 17, 2026, 9:19 a.m. |
Created at: April 16, 2026, 3:24 p.m.