Triple
T22712647
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | West Midlands Trains rolling stock |
E561641
|
entity |
| Predicate | primaryDepot |
P14646
|
FINISHED |
| Object |
Wolverhampton Oxley depot
Wolverhampton Oxley depot is a railway maintenance and stabling facility in Wolverhampton, England, used for servicing passenger train fleets.
|
E1551146
|
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: Wolverhampton Oxley depot | Statement: [West Midlands Trains rolling stock, primaryDepot, Wolverhampton Oxley depot]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Wolverhampton Oxley depot Context triple: [West Midlands Trains rolling stock, primaryDepot, Wolverhampton Oxley depot]
-
A.
Wednesbury depot
Wednesbury depot is the main maintenance and operations facility for the West Midlands Metro light rail system in the West Midlands, England.
-
B.
Wolverton Works
Wolverton Works is one of the oldest railway engineering and maintenance facilities in the United Kingdom, historically significant for building and overhauling rolling stock for the national rail network.
-
C.
Wolverhampton railway station
Wolverhampton railway station is a major railway hub in the West Midlands of England, providing regional and long-distance services on the British rail network.
-
D.
Wigan depot
Wigan depot is a bus operating facility in Wigan used by Stagecoach Manchester to house, maintain, and dispatch its local bus fleet.
-
E.
Stockport depot
Stockport depot is a major bus operating and maintenance facility in Stockport used by Stagecoach Manchester for its local and regional services.
- 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: Wolverhampton Oxley depot Triple: [West Midlands Trains rolling stock, primaryDepot, Wolverhampton Oxley depot]
Generated description
Wolverhampton Oxley depot is a railway maintenance and stabling facility in Wolverhampton, England, used for servicing passenger train fleets.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Wolverhampton Oxley depot Target entity description: Wolverhampton Oxley depot is a railway maintenance and stabling facility in Wolverhampton, England, used for servicing passenger train fleets.
-
A.
Wednesbury depot
Wednesbury depot is the main maintenance and operations facility for the West Midlands Metro light rail system in the West Midlands, England.
-
B.
Wolverton Works
Wolverton Works is one of the oldest railway engineering and maintenance facilities in the United Kingdom, historically significant for building and overhauling rolling stock for the national rail network.
-
C.
Wolverhampton railway station
Wolverhampton railway station is a major railway hub in the West Midlands of England, providing regional and long-distance services on the British rail network.
-
D.
Wigan depot
Wigan depot is a bus operating facility in Wigan used by Stagecoach Manchester to house, maintain, and dispatch its local bus fleet.
-
E.
Stockport depot
Stockport depot is a major bus operating and maintenance facility in Stockport used by Stagecoach Manchester for its local and regional services.
- 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_69e2454f1348819088d83f420925a5c1 |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f1790ab6208190a342f076002324ab |
completed | April 29, 2026, 3:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0b7edb9a2c8190aefff02fd998edc2 |
completed | May 18, 2026, 9:04 p.m. |
| NEDg | Description generation | batch_6a0b834f488c8190bee40bd1caea0e40 |
completed | May 18, 2026, 9:23 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0b8717b65c819089d29c1802d1ed55 |
completed | May 18, 2026, 9:39 p.m. |
Created at: April 17, 2026, 3:18 p.m.