Triple
T22239286
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 321 |
E549676
|
entity |
| Predicate | hasSubclass |
P1244
|
FINISHED |
| Object |
Class 321/9
Class 321/9 is a subvariant of the British Rail Class 321 electric multiple units, configured for specific regional commuter services with modified interiors and equipment.
|
E1530298
|
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: Class 321/9 | Statement: [British Rail Class 321, hasSubclass, Class 321/9]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Class 321/9 Context triple: [British Rail Class 321, hasSubclass, Class 321/9]
-
A.
Class 321/3
Class 321/3 is a subseries of the British Rail Class 321 electric multiple units, configured for specific regional commuter services with interior and equipment variations from the base class.
-
B.
Class 387/4
Class 387/4 is a variant of the British Rail Class 387 electric multiple unit trains, designed for high-capacity commuter and regional services on the UK rail network.
-
C.
Class 387/3
Class 387/3 is a subseries of the British Rail Class 387 electric multiple units, built for high-capacity commuter services with modern onboard amenities and performance.
-
D.
Class 387/2
Class 387/2 is a subseries of the British Rail Class 387 electric multiple units, built for high-capacity commuter and airport services on the UK rail network.
-
E.
Class 360/2
Class 360/2 is a sub-class of the British Rail Class 360 electric multiple units, built for high-frequency commuter services with specific configurations tailored to its operating routes.
- 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: Class 321/9 Triple: [British Rail Class 321, hasSubclass, Class 321/9]
Generated description
Class 321/9 is a subvariant of the British Rail Class 321 electric multiple units, configured for specific regional commuter services with modified interiors and equipment.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Class 321/9 Target entity description: Class 321/9 is a subvariant of the British Rail Class 321 electric multiple units, configured for specific regional commuter services with modified interiors and equipment.
-
A.
Class 321/3
Class 321/3 is a subseries of the British Rail Class 321 electric multiple units, configured for specific regional commuter services with interior and equipment variations from the base class.
-
B.
Class 387/4
Class 387/4 is a variant of the British Rail Class 387 electric multiple unit trains, designed for high-capacity commuter and regional services on the UK rail network.
-
C.
Class 387/3
Class 387/3 is a subseries of the British Rail Class 387 electric multiple units, built for high-capacity commuter services with modern onboard amenities and performance.
-
D.
Class 387/2
Class 387/2 is a subseries of the British Rail Class 387 electric multiple units, built for high-capacity commuter and airport services on the UK rail network.
-
E.
Class 360/2
Class 360/2 is a sub-class of the British Rail Class 360 electric multiple units, built for high-frequency commuter services with specific configurations tailored to its operating routes.
- 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_69e11e4102b881909cf47d3768e25c19 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f132123a048190ba5a90d7acb9aeb2 |
completed | April 28, 2026, 10:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0acc86e96c8190abd165311cd3a334 |
completed | May 18, 2026, 8:23 a.m. |
| NEDg | Description generation | batch_6a0acfbe5b1881909b6fb940a7dac7e5 |
completed | May 18, 2026, 8:37 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0ad10980388190a2694295a19f726d |
completed | May 18, 2026, 8:42 a.m. |
Created at: April 16, 2026, 8:38 p.m.