Triple
T13286321
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | ECT |
E316453
|
entity |
| Predicate | isStationCodeFor |
P41166
|
FINISHED |
| Object | Earl's Court Underground station |
E80596
|
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: Earl's Court Underground station | Statement: [ECT, isStationCodeFor, Earl's Court Underground station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Earl's Court Underground station Context triple: [ECT, isStationCodeFor, Earl's Court Underground station]
-
A.
Earl's Court tube station
chosen
Earl's Court tube station is a major London Underground station in West London serving the District and Piccadilly lines and acting as a key interchange for passengers traveling through Kensington and beyond.
-
B.
Northolt Underground station
Northolt Underground station is a London Underground station in the west of the city, serving the Central line and the suburban area of Northolt in the London Borough of Ealing.
-
C.
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.
-
D.
Balham Underground station
Balham Underground station is a London Underground station in south London served by the Northern line, providing access to the Balham area and connections with National Rail services.
-
E.
North Greenwich Underground station
North Greenwich Underground station is a London Underground station on the Jubilee line that serves the Greenwich Peninsula and provides primary access to The O2 Arena.
- 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: isStationCodeFor Context triple: [ECT, isStationCodeFor, Earl's Court Underground station]
-
A.
hasStationCode
Indicates that an entity is associated with a specific station identification code.
-
B.
hasStationCodeSystem
Indicates that an entity uses or is associated with a particular system for assigning or managing station codes.
-
C.
hasStationCodeInternal
Indicates that an entity is associated with a specific internal station code used within a system or organization.
-
D.
isPassengerStationCode
chosen
Indicates that a given code is officially assigned to identify a particular passenger station.
-
E.
isMajorStationOn
Indicates that a station serves as a primary or significant stop on a particular route or 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_69d806b349908190a9a61dd9323bf153 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d99cfdc9388190af1fdd3cd4717bd8 |
completed | April 11, 2026, 12:59 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff56ade75c8190b556c3b0ba692a96 |
completed | May 9, 2026, 3:45 p.m. |
| PD | Predicate disambiguation | batch_69d98f6535688190a5a4549b7be2d611 |
completed | April 11, 2026, 12:01 a.m. |
Created at: April 9, 2026, 9:27 p.m.