Triple
T22939905
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northolt Underground station |
E569693
|
entity |
| Predicate | lineSection |
P43954
|
FINISHED |
| Object | Central line West Ruislip branch |
—
|
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: Central line West Ruislip branch | Statement: [Northolt Underground station, lineSection, Central line West Ruislip branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Central line West Ruislip branch Context triple: [Northolt Underground station, lineSection, Central line West Ruislip branch]
-
A.
Central line (West Ruislip branch)
chosen
The Central line (West Ruislip branch) is a western suburban branch of London Underground’s Central line, running from central London out to West Ruislip and serving areas including the London Borough of Hillingdon.
-
B.
Central line (Ealing Broadway branch)
The Central line (Ealing Broadway branch) is a western suburban branch of London's Central line on the Underground network, running between central London and Ealing Broadway.
-
C.
Styal Line
The Styal Line is a suburban railway route in Greater Manchester, England, connecting central Manchester with Manchester Airport and surrounding areas.
-
D.
High Barnet branch
The High Barnet branch is a northern suburban section of London’s Northern line that runs from central London up to High Barnet in the London Borough of Barnet.
-
E.
Cockfosters branch
The Cockfosters branch is the eastern arm of the London Underground’s Piccadilly line, running from central London out to its terminus at Cockfosters in north London.
- 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_69e24590862c8190858f180ad302adab |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1813844b88190b05d3829b0c423c4 |
completed | April 29, 2026, 3:55 a.m. |
Created at: April 17, 2026, 3:45 p.m.