Triple
T11176634
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 332 |
E264428
|
entity |
| Predicate | depot |
P14646
|
FINISHED |
| Object |
Old Oak Common TMD
Old Oak Common TMD was a major railway traction maintenance depot in West London that serviced high-speed and commuter trains for the Great Western Main Line and Heathrow routes.
|
E910536
|
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: Old Oak Common TMD | Statement: [British Rail Class 332, depot, Old Oak Common TMD]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Old Oak Common TMD Context triple: [British Rail Class 332, depot, Old Oak Common TMD]
-
A.
Seamer Junction
Seamer Junction is a railway junction and station in North Yorkshire, England, serving as a key connection point on the route between York and the coastal town of Scarborough.
-
B.
Pattison Station
Pattison Station is the former name of NRG Station, a subway stop on Philadelphia's Broad Street Line serving the South Philadelphia Sports Complex.
-
C.
Preston Branch
Preston Branch is a short offshoot of England’s Lancaster Canal that was built to provide a navigable link to the city of Preston.
-
D.
Poplar station
Poplar station is a light rail stop serving the suburb of Mt. Lebanon in the Pittsburgh, Pennsylvania metropolitan area.
-
E.
Wilford Lane depot
Wilford Lane depot is a maintenance and operations facility serving the Nottingham Express Transit tram network in Nottingham, England.
- 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: Old Oak Common TMD Triple: [British Rail Class 332, depot, Old Oak Common TMD]
Generated description
Old Oak Common TMD was a major railway traction maintenance depot in West London that serviced high-speed and commuter trains for the Great Western Main Line and Heathrow routes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Old Oak Common TMD Target entity description: Old Oak Common TMD was a major railway traction maintenance depot in West London that serviced high-speed and commuter trains for the Great Western Main Line and Heathrow routes.
-
A.
Seamer Junction
Seamer Junction is a railway junction and station in North Yorkshire, England, serving as a key connection point on the route between York and the coastal town of Scarborough.
-
B.
Pattison Station
Pattison Station is the former name of NRG Station, a subway stop on Philadelphia's Broad Street Line serving the South Philadelphia Sports Complex.
-
C.
Preston Branch
Preston Branch is a short offshoot of England’s Lancaster Canal that was built to provide a navigable link to the city of Preston.
-
D.
Poplar station
Poplar station is a light rail stop serving the suburb of Mt. Lebanon in the Pittsburgh, Pennsylvania metropolitan area.
-
E.
Wilford Lane depot
Wilford Lane depot is a maintenance and operations facility serving the Nottingham Express Transit tram network in Nottingham, England.
- 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_69d6aa9dafac8190bd90d2c74f661aa7 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e8987e1081909b28a0bdb866beae |
completed | April 9, 2026, 5:57 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e4838f19388190af6fde7d4275ce2a |
completed | April 19, 2026, 7:26 a.m. |
| NEDg | Description generation | batch_69e48788be688190a109ccb8281d3dc9 |
completed | April 19, 2026, 7:43 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e4890c12388190838d350207492c9e |
completed | April 19, 2026, 7:49 a.m. |
Created at: April 8, 2026, 9:29 p.m.