Triple
T12719518
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Travelcard Zone 1 |
E303936
|
entity |
| Predicate | containsStation |
P83367
|
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: [Travelcard Zone 1, containsStation, Blackfriars Underground station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Blackfriars Underground station Context triple: [Travelcard Zone 1, containsStation, Blackfriars Underground station]
-
A.
Regent's Park Underground station
Regent's Park Underground station is a London Underground station on the Bakerloo line, located near Regent's Park and serving attractions such as London Zoo.
-
B.
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.
-
C.
Tower Hill Underground station
Tower Hill Underground station is a London Underground station in central London serving the Circle and District lines near the Tower of London and the River Thames.
-
D.
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.
-
E.
Brixton Underground Station
Brixton Underground Station is a London Underground station in south London that serves as the southern terminus of the Victoria line and a major transport hub for the Brixton area.
- 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_69d7bdf084148190ab9d513dc0735af4 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d96411d87481909127e81755f23964 |
completed | April 10, 2026, 8:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe64e2991c81908f474fe07a6ba10a |
completed | May 8, 2026, 10:34 p.m. |
Created at: April 9, 2026, 5:24 p.m.