Triple
T9747974
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Great Portland Street Underground station |
E236364
|
entity |
| Predicate | adjacentStationOnMetropolitanLine |
P90478
|
FINISHED |
| Object | Euston Square Underground station |
E294142
|
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 Square Underground station | Statement: [Great Portland Street Underground station, adjacentStationOnMetropolitanLine, Euston Square Underground station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Euston Square Underground station Context triple: [Great Portland Street Underground station, adjacentStationOnMetropolitanLine, Euston Square Underground station]
-
A.
Euston Square Underground station
chosen
Euston Square Underground station is a London Underground station in central London served by the Circle, Hammersmith & City, and Metropolitan lines.
-
B.
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.
-
C.
Hyde Park Corner Underground station
Hyde Park Corner Underground station is a central London Tube station on the Piccadilly line, serving the area around Hyde Park, Mayfair, and Knightsbridge.
-
D.
Euston Underground station
Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
-
E.
Sloane Square Underground station
Sloane Square Underground station is a London Underground station in Chelsea serving the Circle and District lines, known for its proximity to the upscale shopping and cultural areas around Sloane Square and King's Road.
- 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: adjacentStationOnMetropolitanLine Context triple: [Great Portland Street Underground station, adjacentStationOnMetropolitanLine, Euston Square Underground station]
-
A.
adjacentStationOnDistrictLine
Indicates that one station is directly next to another station along the District Line, with no other stations in between on that line.
-
B.
adjacentStationOnLine
Indicates that one station is directly next to another station along the same transit line, with no other station in between.
-
C.
adjacentStationOnOrangeLine
Indicates that one station is directly next to another station along the Orange Line, with no other stations in between.
-
D.
adjacentStationOnPurpleLineExpress
Indicates that one station is directly next to another station along the Purple Line Express route.
-
E.
adjacentStationOnSilverLine
Indicates that one station is directly next to another station along the Silver Line, with no other stations in between.
- F. None of above. chosen
Provenance (5 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_69ca84d3e24481908a476e2231123cf9 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cd9f68f8b88190b44babf5ae17dfef |
completed | April 1, 2026, 10:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d32a5921c8819085a2188805b4811c |
completed | April 6, 2026, 3:36 a.m. |
| PD | Predicate disambiguation | batch_69cd03cc128c81908b84ef224f858b4e |
completed | April 1, 2026, 11:38 a.m. |
| PDg | Predicate description generation | batch_69cd06aa8bc88190904be19c8953def8 |
completed | April 1, 2026, 11:51 a.m. |
Created at: March 30, 2026, 8:23 p.m.