Triple
T1500867
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chester County, Pennsylvania |
E29791
|
entity |
| Predicate | hasRailService |
P782
|
FINISHED |
| Object | SEPTA Regional Rail Paoli/Thorndale Line |
E228643
|
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 Regional Rail Paoli/Thorndale Line | Statement: [Chester County, Pennsylvania, hasRailService, SEPTA Regional Rail Paoli/Thorndale Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SEPTA Regional Rail Paoli/Thorndale Line Context triple: [Chester County, Pennsylvania, hasRailService, SEPTA Regional Rail Paoli/Thorndale Line]
-
A.
SEPTA Paoli/Thorndale Line
chosen
The SEPTA Paoli/Thorndale Line is a major commuter rail route in the Philadelphia region that runs between Center City and western suburbs including Paoli and Thorndale.
-
B.
SEPTA Cynwyd Line
The SEPTA Cynwyd Line is a short commuter rail line in the Philadelphia area that runs between Center City and Cynwyd in Montgomery County.
-
C.
SEPTA Broad Street Line
The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
-
D.
SEPTA Regional Rail
SEPTA Regional Rail is a commuter rail network serving the Philadelphia metropolitan area, connecting the city with its suburbs and neighboring regions.
-
E.
Manayunk/Norristown Line
The Manayunk/Norristown Line is a commuter rail route in the Philadelphia region that runs along the Schuylkill River, connecting Center City Philadelphia with Manayunk, Norristown, and surrounding suburbs.
- 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_69a498dba1d8819093b46a3a8d2485f1 |
completed | March 1, 2026, 7:51 p.m. |
| NER | Named-entity recognition | batch_69a4c6f2d7f881909188a3e5614335cd |
completed | March 1, 2026, 11:08 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae303a4f5881909746b1dae558f8b0 |
completed | March 9, 2026, 2:28 a.m. |
Created at: March 1, 2026, 8:12 p.m.