Triple
T22247630
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Charles T. Yerkes |
E549885
|
entity |
| Predicate | employer |
P7
|
FINISHED |
| Object | Underground Electric Railways Company of London |
—
|
NE NERFINISHED |
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 Electric Railways Company of London | Statement: [Charles T. Yerkes, employer, Underground Electric Railways Company of London]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Underground Electric Railways Company of London Context triple: [Charles T. Yerkes, employer, Underground Electric Railways Company of London]
-
A.
Underground Electric Railways Company of London
chosen
The Underground Electric Railways Company of London was the early 20th-century holding company that developed and operated much of London's deep-level tube network, forming the core of what became the London Underground.
-
B.
Central London Railway
Central London Railway was an early deep-level underground railway in London that later became the core of the London Underground's Central line.
-
C.
Metropolitan Railway
The Metropolitan Railway was the pioneering underground railway in London and the world’s first urban underground passenger railway, forming the core of what became the London Underground.
-
D.
London Electric Railway
London Electric Railway was an early 20th-century underground railway company in London that developed and operated several key lines of what is now the London Underground network.
-
E.
Hammersmith & City Railway
The Hammersmith & City Railway was a 19th-century London railway company that developed one of the early suburban lines now incorporated into the London Underground’s Hammersmith & City line.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e11e41d9408190bd770cf282e22753 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f13219dc3481908dd987c4e98623e6 |
completed | April 28, 2026, 10:18 p.m. |
Created at: April 16, 2026, 8:38 p.m.