Triple
T9160206
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hampstead tube station |
E219800
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Northern line Edgware branch |
E732595
|
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: Northern line Edgware branch | Statement: [Hampstead tube station, servedBy, Northern line Edgware branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northern line Edgware branch Context triple: [Hampstead tube station, servedBy, Northern line Edgware branch]
-
A.
Northern line Edgware branch (via Camden Town)
chosen
The Northern line Edgware branch (via Camden Town) is a key London Underground route running on the Northern line from central London through Camden Town towards Edgware in North West London.
-
B.
Northern line
The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
-
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.
Northern line Morden branch
The Northern line Morden branch is a section of London Underground’s Northern line running through south London to Morden, serving a series of suburban stations including Clapham Common.
-
E.
Epping line
The Epping line was a suburban railway line in Melbourne, Australia, that historically served the northern suburbs before being extended and renamed the Mernda line.
- 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_69ca83e3633c81908688a9fa2306ba99 |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69cca9d953c081908d21f363801aaae4 |
completed | April 1, 2026, 5:15 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d05c00daa48190ad68c88479478129 |
completed | April 4, 2026, 12:32 a.m. |
Created at: March 30, 2026, 7:21 p.m.