Triple
T963125
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southwark |
E20778
|
entity |
| Predicate | hasUndergroundStation |
P918
|
FINISHED |
| Object | Blackfriars Underground station |
E71034
|
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: Blackfriars Underground station | Statement: [Southwark, hasUndergroundStation, Blackfriars Underground station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Blackfriars Underground station Context triple: [Southwark, hasUndergroundStation, Blackfriars Underground station]
-
A.
Elephant & Castle Underground station
Elephant & Castle Underground station is a major London Underground interchange in the Elephant and Castle area, serving both the Bakerloo and Northern lines in the London Borough of Southwark.
-
B.
Blackfriars station
chosen
Blackfriars station is a central London railway and London Underground interchange on the north bank of the River Thames, serving both mainline and Tube services.
-
C.
Borough Underground station
Borough Underground station is a London Underground station on the Northern line serving the Borough area in the London Borough of Southwark.
-
D.
Mansion House Underground station
Mansion House Underground station is a London Underground station in the City of London served by the District and Circle lines.
-
E.
Notting Hill Gate Underground station
Notting Hill Gate Underground station is a central London Tube station in the Notting Hill area, serving as a key interchange on the Central, Circle, and District lines.
- 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_69a493b21f2881908132dcf45dcd2f36 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4b74fc204819083dbed5c19c4bc15 |
completed | March 1, 2026, 10:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac5e9b74e481908c7d8256bd180d73 |
completed | March 7, 2026, 5:21 p.m. |
Created at: March 1, 2026, 7:40 p.m.