Triple
T5189364
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ludgate Hill |
E117111
|
entity |
| Predicate | hasNearbyUndergroundStation |
P5648
|
FINISHED |
| Object | Blackfriars tube 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 tube station | Statement: [Ludgate Hill, hasNearbyUndergroundStation, Blackfriars tube station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Blackfriars tube station Context triple: [Ludgate Hill, hasNearbyUndergroundStation, Blackfriars tube station]
-
A.
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.
-
B.
Hammersmith tube station
Hammersmith tube station is a major London Underground interchange in west London, serving multiple lines and providing access to the Hammersmith area’s commercial and residential districts.
-
C.
Barbican station
Barbican station is a London Underground station in the City of London serving the Circle, Hammersmith & City, and Metropolitan lines near the Barbican Centre.
-
D.
Hampstead tube station
Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
-
E.
Knightsbridge tube station
Knightsbridge tube station is a London Underground station in the Knightsbridge district of central London, serving the Piccadilly line near major landmarks such as Harrods and Hyde Park.
- 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_69bd44620ff48190bcac01782107a397 |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd79c732b48190af62dfffcbc5e3a6 |
completed | March 20, 2026, 4:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c059bd73e481909e23e1796262b8c4 |
completed | March 22, 2026, 9:06 p.m. |
Created at: March 20, 2026, 1:46 p.m.