Triple
T4927945
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Francisco Muni historic streetcars |
E110622
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | heritage streetcar fleet |
C14922
|
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: heritage streetcar fleet Context triple: [San Francisco Muni historic streetcars, instanceOf, heritage streetcar fleet]
-
A.
streetcar system
A streetcar system is an urban public transit network that operates rail vehicles on fixed tracks, typically embedded in city streets, to transport passengers along defined routes.
-
B.
passenger railcar fleet
chosen
A passenger railcar fleet is a managed collection of rail vehicles designed and maintained to transport people safely and efficiently across a rail network.
-
C.
heritage railway
A heritage railway is a preserved or restored railway line operated primarily for historical, educational, and touristic purposes, often using vintage locomotives, rolling stock, and traditional operating practices.
-
D.
streetcar route
A streetcar route is a predefined path along public streets that streetcars follow to provide scheduled passenger transportation between specific stops or terminals.
-
E.
New York City Subway rolling stock class
A New York City Subway rolling stock class is a standardized group of subway cars sharing common design, technical specifications, and operational characteristics used on the NYC subway system.
- 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_69bd4415190c8190817bee7ec9f9f944 |
completed | March 20, 2026, 12:56 p.m. |
Created at: March 20, 2026, 1:30 p.m.