Triple
T12796693
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Baker Street and Waterloo Railway |
E305908
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | predecessor of the Bakerloo line |
C31538
|
CONCEPT FINISHED |
How this triple was built (1 step)
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.
CD
Concept disambiguation
gpt-5-mini-2025-08-07
Target class: predecessor of the Bakerloo line Context triple: [Baker Street and Waterloo Railway, instanceOf, predecessor of the Bakerloo line]
-
A.
London Underground precursor
chosen
A London Underground precursor is any early urban rail or transport system, proposal, or technological development that directly influenced or led to the creation of the London Underground.
-
B.
London Underground depot
A London Underground depot is a specialized facility where Underground trains are stored, maintained, cleaned, and prepared for daily service on the network.
-
C.
former transit line
A former transit line is a previously operational public transportation route, such as a bus, tram, or rail line, that has been permanently discontinued or replaced.
-
D.
Blue Line station
A Blue Line station is a designated stop or terminal along a transit system’s Blue Line where passengers can board, alight, and transfer between vehicles or services.
-
E.
Skyline station
A Skyline station is an elevated or ground-level transit facility where passengers board, alight, and transfer between Skyline rail services and other transportation modes.
- F. None of above.
Provenance (1 batch)
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_69d7bdf366888190a8cccb982606889c |
completed | April 9, 2026, 2:55 p.m. |
Created at: April 9, 2026, 5:30 p.m.