Triple
T13286467
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Barons Court station |
E316456
|
entity |
| Predicate | hasLaterServingCompany |
P90369
|
FINISHED |
| Object | Great Northern, Piccadilly and Brompton Railway |
E309946
|
NE FINISHED |
How this triple was built (3 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: Great Northern, Piccadilly and Brompton Railway | Statement: [Barons Court station, hasLaterServingCompany, Great Northern, Piccadilly and Brompton Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Northern, Piccadilly and Brompton Railway Context triple: [Barons Court station, hasLaterServingCompany, Great Northern, Piccadilly and Brompton Railway]
-
A.
Great Northern, Piccadilly and Brompton Railway
chosen
The Great Northern, Piccadilly and Brompton Railway was an early 20th-century deep-level London Underground railway company that formed the core of what is now the Piccadilly line.
-
B.
Charing Cross, Euston and Hampstead Railway
The Charing Cross, Euston and Hampstead Railway was an early deep-level “tube” railway in London that later became a core part of the London Underground’s Northern line.
-
C.
Metropolitan District Railway
The Metropolitan District Railway was a historic London railway company that developed much of what is now the District line of the London Underground in the late 19th and early 20th centuries.
-
D.
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.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasLaterServingCompany Context triple: [Barons Court station, hasLaterServingCompany, Great Northern, Piccadilly and Brompton Railway]
-
A.
laterServedBy
chosen
Indicates that one entity is subsequently served or provided service by another entity at a later time.
-
B.
laterServedIn
Indicates that one entity subsequently held a service position or role in which another entity had previously served.
-
C.
succeededByCompanyName
Indicates that one company is followed or replaced by another company as its successor.
-
D.
servedUntil
Indicates the ending time or date up to which an entity held a position, role, or service.
-
E.
servesCompany
Indicates that one entity provides services or performs duties in support of a company.
- F. None of above.
Provenance (4 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_69d806b349908190a9a61dd9323bf153 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d99cfdc9388190af1fdd3cd4717bd8 |
completed | April 11, 2026, 12:59 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7546e0b148190a78e6da408347690 |
completed | May 3, 2026, 1:58 p.m. |
| PD | Predicate disambiguation | batch_69d98f6535688190a5a4549b7be2d611 |
completed | April 11, 2026, 12:01 a.m. |
Created at: April 9, 2026, 9:27 p.m.