Triple
T7305682
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 720 |
E167966
|
entity |
| Predicate | replaced |
P101
|
FINISHED |
| Object | British Rail Class 321 |
E679520
|
NE FINISHED |
How this triple was built (2 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 321 | Statement: [British Rail Class 720, replaced, British Rail Class 321]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: British Rail Class 321 Context triple: [British Rail Class 720, replaced, British Rail Class 321]
-
A.
British Rail Class 321
chosen
The British Rail Class 321 is a type of electric multiple unit train introduced in the late 1980s for commuter and regional services in the UK, widely used in East Anglia and other routes before being superseded by newer fleets.
-
B.
British Rail Class 323
The British Rail Class 323 is a type of electric multiple unit train widely used on suburban and commuter rail services in the West Midlands and North West England.
-
C.
British Rail Class 325
The British Rail Class 325 is an electric multiple unit train type designed specifically for high-speed postal and parcel 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 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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c6888c820881909fc68f689fe1c251 |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6ebd61c0c8190abb1368c9dfb1550 |
completed | March 27, 2026, 8:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8e56e62d48190b0e25464ebffe148 |
completed | March 29, 2026, 8:40 a.m. |
Created at: March 27, 2026, 3:01 p.m.