Triple
T2310534
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | EUS |
E51945
|
entity |
| Predicate | adjacentUndergroundStation |
P30238
|
FINISHED |
| Object | Euston Underground station |
E55093
|
NE FINISHED |
How this triple was built (3 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: Euston Underground station | Statement: [EUS, adjacentUndergroundStation, Euston Underground station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Euston Underground station Context triple: [EUS, adjacentUndergroundStation, Euston Underground station]
-
A.
Euston Underground station
chosen
Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
-
B.
Holborn station
Holborn station is a central London Underground station on the Central and Piccadilly lines, located near major attractions such as the British Museum.
-
C.
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.
-
D.
Tottenham Court Road station
Tottenham Court Road station is a central London Underground station on the Central and Northern lines, located near Oxford Street and serving the West End.
-
E.
Westminster Underground Station
Westminster Underground Station is a central London Tube station serving the Westminster area, including key landmarks such as the Houses of Parliament and Big Ben.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: adjacentUndergroundStation Context triple: [EUS, adjacentUndergroundStation, Euston Underground station]
-
A.
adjacentToStation
chosen
Indicates that one entity is located next to or immediately beside a station.
-
B.
nearestUndergroundStation
Indicates the relationship where a specific underground (subway/metro) station is the closest one in distance to a given location or entity.
-
C.
adjacentStationOnOrangeLine
Indicates that one station is directly next to another station along the Orange Line, with no other stations in between.
-
D.
subwayStation
Indicates that one entity is a subway station associated with, located in, or serving the other entity.
-
E.
nearUndergroundLine
Indicates that one entity is located close in distance to an underground (subway/metro) line.
- F. None of above.
Provenance (4 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_69a88b0bb30c81908ded03b006d29387 |
completed | March 4, 2026, 7:42 p.m. |
| NER | Named-entity recognition | batch_69abc685f05481909c863b29d1f6bacd |
completed | March 7, 2026, 6:32 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afb664bd8481909e3d003d41dfc213 |
completed | March 10, 2026, 6:12 a.m. |
| PD | Predicate disambiguation | batch_69abc58e88e481908733fdf79d3f8a15 |
completed | March 7, 2026, 6:28 a.m. |
Created at: March 4, 2026, 7:49 p.m.