Triple
T23258203
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 30th Street station (Subway–Surface) |
E581929
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | SEPTA Subway–Surface Trolley system |
—
|
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: SEPTA Subway–Surface Trolley system | Statement: [30th Street station (Subway–Surface), partOf, SEPTA Subway–Surface Trolley system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SEPTA Subway–Surface Trolley system Context triple: [30th Street station (Subway–Surface), partOf, SEPTA Subway–Surface Trolley system]
-
A.
SEPTA Subway–Surface Trolley Lines
chosen
The SEPTA Subway–Surface Trolley Lines are a network of light rail routes in Philadelphia that operate partly in subway tunnels and partly on city streets, connecting Center City with West Philadelphia and surrounding neighborhoods.
-
B.
SEPTA Subway
SEPTA Subway is the rapid transit network serving Philadelphia and some surrounding areas, operated by the Southeastern Pennsylvania Transportation Authority and centered on the Broad Street and Market–Frankford lines.
-
C.
SEPTA bus and trolley network
The SEPTA bus and trolley network is the public transit system’s surface network in the Philadelphia region, providing extensive bus and streetcar service that connects neighborhoods, suburbs, and key destinations across the area.
-
D.
SEPTA rapid transit network
The SEPTA rapid transit network is the system of high-capacity urban rail lines serving Philadelphia and some surrounding suburbs, operated by the Southeastern Pennsylvania Transportation Authority.
-
E.
SEPTA trolley cars
SEPTA trolley cars are the light rail vehicles used by Philadelphia’s transit authority to provide streetcar and subway–surface trolley service across the city.
- 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_69e246079f58819085eaa9c260906880 |
completed | April 17, 2026, 2:39 p.m. |
| NER | Named-entity recognition | batch_69f194c710c48190aff03d210642a043 |
completed | April 29, 2026, 5:19 a.m. |
Created at: April 17, 2026, 4:11 p.m.