Triple
T4670197
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Elwyn station |
E102942
|
entity |
| Predicate | formerTerminusOf |
P28772
|
FINISHED |
| Object | SEPTA Media/Elwyn Line |
E249058
|
NE FINISHED |
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 Media/Elwyn Line | Statement: [Elwyn station, formerTerminusOf, SEPTA Media/Elwyn Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SEPTA Media/Elwyn Line Context triple: [Elwyn station, formerTerminusOf, SEPTA Media/Elwyn Line]
-
A.
SEPTA Media/Wawa Line
chosen
The SEPTA Media/Wawa Line is a regional rail service in the Philadelphia area that connects Center City Philadelphia with suburban communities in Delaware County, including Media and Wawa.
-
B.
SEPTA Warminster Line
The SEPTA Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities to the north, terminating in Warminster, Pennsylvania.
-
C.
SEPTA Chestnut Hill East Line
The SEPTA Chestnut Hill East Line is a commuter rail service in the Philadelphia area that runs between Center City and the Chestnut Hill neighborhood as part of SEPTA’s Regional Rail network.
-
D.
SEPTA Subway–Surface Trolley Lines
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.
-
E.
SEPTA Fox Chase Line
The SEPTA Fox Chase Line is a commuter rail service in the Philadelphia area that connects Center City with the Fox Chase neighborhood in Northeast Philadelphia.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69bd43d9cba4819086c1ab1c2d9d2133 |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd634ef5608190925663e988e3585b |
completed | March 20, 2026, 3:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be0390c238819089fb54648dfe1e64 |
completed | March 21, 2026, 2:33 a.m. |
Created at: March 20, 2026, 1:15 p.m.