Triple
T1453431
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London St Pancras International |
E31343
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
Barlow train shed
The Barlow train shed is the vast 19th-century wrought-iron and glass arched roof that dramatically spans the platforms of London St Pancras station.
|
E166168
|
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: Barlow train shed | Statement: [London St Pancras International, hasStructure, Barlow train shed]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Barlow train shed Context triple: [London St Pancras International, hasStructure, Barlow train shed]
-
A.
Hay Railway Station
Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
-
B.
Trafford depot
Trafford depot is a maintenance and stabling facility serving the Manchester Metrolink light rail network in Greater Manchester, England.
-
C.
Derby railway works
Derby railway works is a historic British railway engineering and manufacturing complex in Derby that played a major role in the development and maintenance of locomotives and rolling stock.
-
D.
Queens Road depot
Queens Road depot is a major tram maintenance and operations facility serving the Manchester Metrolink light rail network.
-
E.
High Brooms railway station
High Brooms railway station is a suburban rail stop serving the High Brooms area of Royal Tunbridge Wells in Kent, England, on the Hastings line.
- 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: Barlow train shed Triple: [London St Pancras International, hasStructure, Barlow train shed]
Generated description
The Barlow train shed is the vast 19th-century wrought-iron and glass arched roof that dramatically spans the platforms of London St Pancras station.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Barlow train shed Target entity description: The Barlow train shed is the vast 19th-century wrought-iron and glass arched roof that dramatically spans the platforms of London St Pancras station.
-
A.
Hay Railway Station
Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
-
B.
Trafford depot
Trafford depot is a maintenance and stabling facility serving the Manchester Metrolink light rail network in Greater Manchester, England.
-
C.
Derby railway works
Derby railway works is a historic British railway engineering and manufacturing complex in Derby that played a major role in the development and maintenance of locomotives and rolling stock.
-
D.
Queens Road depot
Queens Road depot is a major tram maintenance and operations facility serving the Manchester Metrolink light rail network.
-
E.
High Brooms railway station
High Brooms railway station is a suburban rail stop serving the High Brooms area of Royal Tunbridge Wells in Kent, England, on the Hastings line.
- 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_69a499171a28819085b993a3ac78e363 |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c57e82d48190a30a4512f39f5de0 |
completed | March 1, 2026, 11:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad08c7db088190877addd5edd6c087 |
completed | March 8, 2026, 5:27 a.m. |
| NEDg | Description generation | batch_69ad09ae79588190a64a0897352bfc28 |
completed | March 8, 2026, 5:31 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ad0ac635008190bb82bbb2c27adda5 |
completed | March 8, 2026, 5:36 a.m. |
Created at: March 1, 2026, 8 p.m.