Triple
T17401814
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Finchley Road |
E423107
|
entity |
| Predicate | isOnSection |
P70109
|
FINISHED |
| Object | Metropolitan line between Baker Street and Wembley Park |
—
|
NE NERFINISHED |
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: Metropolitan line between Baker Street and Wembley Park | Statement: [Finchley Road, isOnSection, Metropolitan line between Baker Street and Wembley Park]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metropolitan line between Baker Street and Wembley Park Context triple: [Finchley Road, isOnSection, Metropolitan line between Baker Street and Wembley Park]
-
A.
Metropolitan line between Aldgate and Chesham
The Metropolitan line between Aldgate and Chesham is a long-distance London Underground route that runs from the City of London through northwest suburbs into Buckinghamshire, combining urban metro and semi-rural commuter rail characteristics.
-
B.
Metropolitan line
chosen
The Metropolitan line is one of the oldest lines of the London Underground, running from central London into the northwestern suburbs and beyond.
-
C.
London Fenchurch Street–Shoeburyness line
The London Fenchurch Street–Shoeburyness line is a key commuter rail route in Essex and east London, linking central London with coastal towns along the Thames Estuary.
-
D.
Charing Cross main line
Charing Cross main line is a central London railway route and terminus that serves as a key hub for commuter and regional train services into the city.
-
E.
Piccadilly line
The Piccadilly line is a major deep-level London Underground route running from the north and west suburbs through central London, serving key destinations including Heathrow Airport.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d889d710288190bf0f4762801fefae |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e43b046ad88190a95bbeda4e602514 |
completed | April 19, 2026, 2:16 a.m. |
Created at: April 10, 2026, 5:45 a.m.