Triple
T22712645
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | West Midlands Trains rolling stock |
E561641
|
entity |
| Predicate | primaryDepot |
P14646
|
FINISHED |
| Object | Bletchley TMD |
—
|
NE NERFINISHED |
How this triple was built (3 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: Bletchley TMD | Statement: [West Midlands Trains rolling stock, primaryDepot, Bletchley TMD]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bletchley TMD Context triple: [West Midlands Trains rolling stock, primaryDepot, Bletchley TMD]
-
A.
Bletchley railway station
Bletchley railway station is a key railway hub in Bletchley, Buckinghamshire, serving as an important junction on the West Coast Main Line and local routes including the Marston Vale Line.
-
B.
Fazeley Junction
Fazeley Junction is a key canal junction in Staffordshire, England, where the Birmingham and Fazeley Canal meets the Coventry Canal, forming an important link in the Midlands canal network.
-
C.
Wolverton Station
Wolverton Station is a horror short story by Joe Hill that follows a ruthless businessman who encounters unsettling supernatural events at a remote train stop.
-
D.
Braunston Junction
Braunston Junction is a key canal junction in Northamptonshire, England, where major waterways meet and form an important hub on the British inland waterways network.
-
E.
Autherley Junction
Autherley Junction is a canal junction near Wolverhampton in England where the Shropshire Union Canal connects with the Staffordshire and Worcestershire Canal.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bletchley TMD Target entity description: Bletchley TMD is a railway traction maintenance depot in Bletchley, England, responsible for servicing and maintaining trains operated in the surrounding region.
-
A.
Bletchley railway station
Bletchley railway station is a key railway hub in Bletchley, Buckinghamshire, serving as an important junction on the West Coast Main Line and local routes including the Marston Vale Line.
-
B.
Fazeley Junction
Fazeley Junction is a key canal junction in Staffordshire, England, where the Birmingham and Fazeley Canal meets the Coventry Canal, forming an important link in the Midlands canal network.
-
C.
Wolverton Station
Wolverton Station is a horror short story by Joe Hill that follows a ruthless businessman who encounters unsettling supernatural events at a remote train stop.
-
D.
Braunston Junction
Braunston Junction is a key canal junction in Northamptonshire, England, where major waterways meet and form an important hub on the British inland waterways network.
-
E.
Autherley Junction
Autherley Junction is a canal junction near Wolverhampton in England where the Shropshire Union Canal connects with the Staffordshire and Worcestershire Canal.
- F. None of above. chosen
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_69e2454f1348819088d83f420925a5c1 |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f1790ab6208190a342f076002324ab |
completed | April 29, 2026, 3:20 a.m. |
Created at: April 17, 2026, 3:18 p.m.