Triple
T13346142
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ealing Broadway branch of the District line |
E317953
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object | Piccadilly line at Acton Town station |
E706567
|
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 at Acton Town station | Statement: [Ealing Broadway branch of the District line, connectsWith, Piccadilly line at Acton Town station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Piccadilly line at Acton Town station Context triple: [Ealing Broadway branch of the District line, connectsWith, Piccadilly line at Acton Town station]
-
A.
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.
-
B.
Barons Court station on the Piccadilly line
Barons Court station on the Piccadilly line is a London Underground station in West London known for its distinctive early 20th-century architecture and role as an interchange between the Piccadilly and District lines.
-
C.
Acton Town Underground station
chosen
Acton Town Underground station is a London Underground station in west London serving the Piccadilly and District lines.
-
D.
Central line – Piccadilly line
The Central line – Piccadilly line interchange at Holborn station is a key London Underground connection point where passengers can transfer between the east–west Central line and the north–south Piccadilly line.
-
E.
Ealing Broadway branch of the District line
The Ealing Broadway branch of the District line is a western suburban section of London’s Underground network that runs between central London and Ealing Broadway, serving key stations in west 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_69d806b5a3c08190b42c267fb092f98a |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d99e89c65c819093f3bea11d6073c5 |
completed | April 11, 2026, 1:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7306668288190ae8dc05ebadb4975 |
completed | May 3, 2026, 11:24 a.m. |
Created at: April 9, 2026, 9:31 p.m.