Triple
T13222417
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Kensington tube station |
E314787
|
entity |
| Predicate | servedByService |
P1294
|
FINISHED |
| Object | Piccadilly line services between Cockfosters and Heathrow Airport |
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 services between Cockfosters and Heathrow Airport | Statement: [South Kensington tube station, servedByService, Piccadilly line services between Cockfosters and Heathrow Airport]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Piccadilly line services between Cockfosters and Heathrow Airport Context triple: [South Kensington tube station, servedByService, Piccadilly line services between Cockfosters and Heathrow Airport]
-
A.
Heathrow branch of the Piccadilly line
The Heathrow branch of the Piccadilly line is the western arm of London Underground’s Piccadilly line that provides direct tube services between central London and Heathrow Airport.
-
B.
West London line
The West London line is a north–south railway route in west London that connects Willesden Junction to Clapham Junction, used by both London Overground and other train operators.
-
C.
Shorncliffe line services
Shorncliffe line services are suburban passenger train services in Brisbane, Queensland, operating between the city and the coastal suburb of Shorncliffe.
-
D.
Bedford to St Pancras services
Bedford to St Pancras services are commuter rail services linking the town of Bedford in Bedfordshire with London St Pancras station, forming part of a key north–south route into central London.
-
E.
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.
- 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_69d806affc688190a25b6ccc588e9c72 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98cf74d708190a61d8ad938653b06 |
completed | April 10, 2026, 11:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6ff24be9881908b96f3e72325e55f |
completed | May 3, 2026, 7:54 a.m. |
Created at: April 9, 2026, 9:19 p.m.