Triple
T16986150
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hendon Central Underground station |
E412069
|
entity |
| Predicate | formerLineName |
P17520
|
FINISHED |
| Object | Edgware, Highgate and Morden line |
E993530
|
NE FINISHED |
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: Edgware, Highgate and Morden line | Statement: [Hendon Central Underground station, formerLineName, Edgware, Highgate and Morden line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Edgware, Highgate and Morden line Context triple: [Hendon Central Underground station, formerLineName, Edgware, Highgate and Morden line]
-
A.
Hammersmith & City line
The Hammersmith & City line is a London Underground service running across west and central London, linking Hammersmith to Barking via key hubs such as Paddington, King's Cross St Pancras, and Liverpool Street.
-
B.
Holborn Viaduct–Herne Hill line
The Holborn Viaduct–Herne Hill line is a suburban railway route in London that connects the City with south London, historically forming part of key commuter services into central London.
-
C.
North London line
The North London line is a key orbital railway route in London that runs across the northern part of the city, connecting numerous suburban areas and major interchange stations.
-
D.
Edgware, Highgate and London Railway
chosen
The Edgware, Highgate and London Railway was a 19th-century suburban railway company in north London that developed lines later absorbed into the London Underground network.
-
E.
Bexleyheath Line
The Bexleyheath Line is a suburban railway route in southeast London that connects central London with areas such as Bexleyheath and Dartford.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d886ca8f348190812768ea8d5055ce |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3d27b58908190a643bcbd105b1849 |
completed | April 18, 2026, 6:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a011b412dd48190862fde6d1656113d |
completed | May 10, 2026, 11:56 p.m. |
Created at: April 10, 2026, 5:32 a.m.