Triple
T15424021
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Knightsbridge tube station |
E369456
|
entity |
| Predicate | stepFreeAccessTo |
P3790
|
FINISHED |
| Object | Piccadilly line platforms |
E62557
|
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: Piccadilly line platforms | Statement: [Knightsbridge tube station, stepFreeAccessTo, Piccadilly line platforms]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Piccadilly line platforms Context triple: [Knightsbridge tube station, stepFreeAccessTo, Piccadilly line platforms]
-
A.
Piccadilly line
chosen
The Piccadilly line is a major deep-level London Underground route running from the north and west suburbs through central London, serving key destinations including Heathrow Airport.
-
B.
Colindale Underground station
Colindale Underground station is a London Underground station on the Northern line serving the Colindale area in the London Borough of Barnet.
-
C.
Piccadilly line at Ealing Common station
The Piccadilly line at Ealing Common station is a London Underground line serving west London, providing fast, long-distance services between central London, Heathrow Airport, and Uxbridge.
-
D.
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.
-
E.
Heathrow rail and Underground stations
Heathrow rail and Underground stations comprise the network of train and Tube stations serving London Heathrow Airport, providing direct rail and metro links between the airport terminals and central London.
- 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_69d85a1849f48190bf898068b2806fae |
completed | April 10, 2026, 2:02 a.m. |
| NER | Named-entity recognition | batch_69e03ec032548190840b558dde6057c7 |
completed | April 16, 2026, 1:43 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff1a7ed0ec8190b8086f78df965b61 |
completed | May 9, 2026, 11:29 a.m. |
Created at: April 10, 2026, 3:20 a.m.