Triple
T21569022
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | English Welsh & Scottish Railway |
E532235
|
entity |
| Predicate | operatedLocomotiveClass |
P67417
|
FINISHED |
| Object |
British Rail Class 67
The British Rail Class 67 is a high-speed diesel-electric locomotive built by Alstom in the late 1990s for passenger and mail services on the UK rail network.
|
E1511629
|
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: British Rail Class 67 | Statement: [English Welsh & Scottish Railway, operatedLocomotiveClass, British Rail Class 67]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: British Rail Class 67 Context triple: [English Welsh & Scottish Railway, operatedLocomotiveClass, British Rail Class 67]
-
A.
British Rail Class 86
The British Rail Class 86 is a class of electric locomotives introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes in the UK.
-
B.
British Rail Class 66
The British Rail Class 66 is a widely used diesel-electric freight locomotive type in the UK and parts of Europe, known for its reliability and dominance in modern rail freight operations.
-
C.
British Rail Class 166
The British Rail Class 166 is a diesel multiple-unit train used primarily for regional and commuter services in the UK, known for its higher speed and comfort compared to earlier local units.
-
D.
British Rail Class 707
The British Rail Class 707 is a fleet of modern electric multiple-unit commuter trains built by Siemens for high-frequency suburban services in the South East of England.
-
E.
British Rail Class 376
The British Rail Class 376 is a type of electric multiple unit train operated by Southeastern for high-capacity suburban commuter services in the London area.
- 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: British Rail Class 67 Triple: [English Welsh & Scottish Railway, operatedLocomotiveClass, British Rail Class 67]
Generated description
The British Rail Class 67 is a high-speed diesel-electric locomotive built by Alstom in the late 1990s for passenger and mail services on the UK rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: British Rail Class 67 Target entity description: The British Rail Class 67 is a high-speed diesel-electric locomotive built by Alstom in the late 1990s for passenger and mail services on the UK rail network.
-
A.
British Rail Class 86
The British Rail Class 86 is a class of electric locomotives introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes in the UK.
-
B.
British Rail Class 66
The British Rail Class 66 is a widely used diesel-electric freight locomotive type in the UK and parts of Europe, known for its reliability and dominance in modern rail freight operations.
-
C.
British Rail Class 166
The British Rail Class 166 is a diesel multiple-unit train used primarily for regional and commuter services in the UK, known for its higher speed and comfort compared to earlier local units.
-
D.
British Rail Class 707
The British Rail Class 707 is a fleet of modern electric multiple-unit commuter trains built by Siemens for high-frequency suburban services in the South East of England.
-
E.
British Rail Class 376
The British Rail Class 376 is a type of electric multiple unit train operated by Southeastern for high-capacity suburban commuter services in the London area.
- 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_69e0c460db088190828c64206a450273 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eee9cb9718819094fc95b25df68bd1 |
completed | April 27, 2026, 4:44 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0a6d61e4608190ad74df3dc7a30829 |
completed | May 18, 2026, 1:37 a.m. |
| NEDg | Description generation | batch_6a0a6dd8378c8190919b9a59ea2bd1ac |
completed | May 18, 2026, 1:39 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0a6e59d0b08190852a8a16cc2d1b5e |
completed | May 18, 2026, 1:41 a.m. |
Created at: April 16, 2026, 6:30 p.m.