Triple
T13556587
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ealing Common station |
E323789
|
entity |
| Predicate | hasSymbol |
P129
|
FINISHED |
| Object | Underground roundel |
E283365
|
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: Underground roundel | Statement: [Ealing Common station, hasSymbol, Underground roundel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Underground roundel Context triple: [Ealing Common station, hasSymbol, Underground roundel]
-
A.
Underground roundel
chosen
The Underground roundel is the iconic red-and-blue circular logo used to represent the London Underground transit system.
-
B.
Box Tunnel
Box Tunnel is a historic railway tunnel in Wiltshire, England, engineered by Isambard Kingdom Brunel as part of the Great Western Railway and renowned for its ambitious 19th-century design and construction.
-
C.
Tar Tunnel
Tar Tunnel is a historic 18th-century industrial tunnel in Ironbridge Gorge, England, known for its natural bitumen seepage and role in the early Industrial Revolution.
-
D.
Johnston Underground
Johnston Underground is the iconic sans-serif typeface designed for the London Underground, known for its distinctive, clean letterforms and enduring use in the network’s signage and branding.
-
E.
Corsham underground complex
The Corsham underground complex is a vast network of former stone quarries and military tunnels in Wiltshire, England, used historically for secret government and defense operations.
- 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_69d8076830b48190910a902bae5888e2 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbaff3063c8190bd20149b3f7df352 |
completed | April 12, 2026, 2:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f75da95b7c8190af4fae155f01d3af |
completed | May 3, 2026, 2:37 p.m. |
Created at: April 9, 2026, 9:47 p.m.