Triple
T7367310
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Thorndale station |
E169902
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Philadelphia–Harrisburg Main Line |
E320819
|
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: Philadelphia–Harrisburg Main Line | Statement: [Thorndale station, locatedOn, Philadelphia–Harrisburg Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Philadelphia–Harrisburg Main Line Context triple: [Thorndale station, locatedOn, Philadelphia–Harrisburg Main Line]
-
A.
Philadelphia to Harrisburg Main Line
chosen
The Philadelphia to Harrisburg Main Line is an electrified passenger rail corridor in Pennsylvania connecting Philadelphia with the state capital of Harrisburg and forming a key segment of Amtrak and regional rail service.
-
B.
Lansdale/Doylestown Line
The Lansdale/Doylestown Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in Montgomery and Bucks counties.
-
C.
Paoli/Thorndale Line
The Paoli/Thorndale Line is a major commuter rail route in the Philadelphia region that runs west from Center City to Paoli and Thorndale, serving numerous suburban communities along the former Pennsylvania Railroad Main Line.
-
D.
Main Line (Philadelphia to Pittsburgh)
Main Line (Philadelphia to Pittsburgh) was a major east–west rail corridor across Pennsylvania that formed the core route linking Philadelphia and Pittsburgh and became central to the state’s transportation and economic development.
-
E.
Philadelphia, Germantown and Norristown Railroad
The Philadelphia, Germantown and Norristown Railroad was one of the earliest railroads in the United States, serving the Philadelphia area and later becoming part of the Pennsylvania Railroad system.
- 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_69c68a5ade988190885b7175f63b7534 |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f17ea0608190955ac3474f6da7bb |
completed | March 27, 2026, 9:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c83437dd28819088c17cfd7dea2e5b |
completed | March 28, 2026, 8:04 p.m. |
Created at: March 27, 2026, 3:06 p.m.