Triple
T20771779
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 221 Super Voyager |
E511253
|
entity |
| Predicate | relatedTo |
P37
|
FINISHED |
| Object | British Rail Class 222 Meridian |
—
|
NE NERFINISHED |
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 222 Meridian | Statement: [British Rail Class 221 Super Voyager, relatedTo, British Rail Class 222 Meridian]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: British Rail Class 222 Meridian Context triple: [British Rail Class 221 Super Voyager, relatedTo, British Rail Class 222 Meridian]
-
A.
British Rail Class 222 Meridian
chosen
The British Rail Class 222 Meridian is a high-speed diesel-electric multiple unit train used in the UK for intercity services, known for its modern design, improved passenger comfort, and performance on routes such as those operated by East Midlands Railway.
-
B.
British Rail Class 221
The British Rail Class 221 is a fleet of high-speed diesel-electric tilting multiple units used on intercity services in the UK, closely related to the Voyager family of trains.
-
C.
British Rail Class 221 Super Voyager
The British Rail Class 221 Super Voyager is a high-speed tilting diesel-electric multiple unit train used in the UK for intercity services, particularly on long-distance routes.
-
D.
British Rail Class 321
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the late 1980s for commuter and regional services in the UK, widely used in East Anglia and other routes before being superseded by newer fleets.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b4ca01148190ac018e57e0cab46f |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c2681ff88190bfe5938c2db6b2c4 |
completed | April 21, 2026, 12:18 a.m. |
Created at: April 16, 2026, 12:37 p.m.