Triple
T7082344
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 755 |
E164985
|
entity |
| Predicate | hasSubclass |
P1244
|
FINISHED |
| Object |
British Rail Class 755/3
The British Rail Class 755/3 is a bi-mode multiple unit variant used by Greater Anglia, designed for flexible operation on both electrified and non-electrified routes in East Anglia.
|
E681372
|
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 755/3 | Statement: [British Rail Class 755, hasSubclass, British Rail Class 755/3]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: British Rail Class 755/3 Context triple: [British Rail Class 755, hasSubclass, British Rail Class 755/3]
-
A.
British Rail Class 365
The British Rail Class 365 is a fleet of electric multiple-unit passenger trains built in the mid-1990s for suburban and regional services in southeast England and on the East Coast Main Line.
-
B.
British Rail Class 377
The British Rail Class 377 is a fleet of electric multiple-unit commuter trains widely used in southeast England, particularly by Govia Thameslink Railway services.
-
C.
British Rail Class 745
The British Rail Class 745 is a modern electric multiple unit train built for Greater Anglia, designed for high-capacity, intercity and airport services on the UK rail network.
-
D.
British Rail Class 317
The British Rail Class 317 is a type of electric multiple unit train introduced in the early 1980s for commuter services in and around London and the East of England.
-
E.
British Rail Class 387
The British Rail Class 387 is a fleet of modern electric multiple-unit trains used on high-speed commuter and airport services in the UK.
- 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 755/3 Triple: [British Rail Class 755, hasSubclass, British Rail Class 755/3]
Generated description
The British Rail Class 755/3 is a bi-mode multiple unit variant used by Greater Anglia, designed for flexible operation on both electrified and non-electrified routes in East Anglia.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: British Rail Class 755/3 Target entity description: The British Rail Class 755/3 is a bi-mode multiple unit variant used by Greater Anglia, designed for flexible operation on both electrified and non-electrified routes in East Anglia.
-
A.
British Rail Class 365
The British Rail Class 365 is a fleet of electric multiple-unit passenger trains built in the mid-1990s for suburban and regional services in southeast England and on the East Coast Main Line.
-
B.
British Rail Class 377
The British Rail Class 377 is a fleet of electric multiple-unit commuter trains widely used in southeast England, particularly by Govia Thameslink Railway services.
-
C.
British Rail Class 745
The British Rail Class 745 is a modern electric multiple unit train built for Greater Anglia, designed for high-capacity, intercity and airport services on the UK rail network.
-
D.
British Rail Class 317
The British Rail Class 317 is a type of electric multiple unit train introduced in the early 1980s for commuter services in and around London and the East of England.
-
E.
British Rail Class 387
The British Rail Class 387 is a fleet of modern electric multiple-unit trains used on high-speed commuter and airport services in the UK.
- 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_69c6887d98408190912b9580666b0c1d |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e50f133c81908c5f7336fd5bc5d2 |
completed | March 27, 2026, 8:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8a1f8da648190987fad6e37620cef |
completed | March 29, 2026, 3:52 a.m. |
| NEDg | Description generation | batch_69c8a2fd5a348190a952f6cc3e622474 |
completed | March 29, 2026, 3:56 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c8a3a570948190ba733c3c858d4bfd |
completed | March 29, 2026, 3:59 a.m. |
Created at: March 27, 2026, 2:40 p.m.