Triple
T9481242
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SEPTA Paoli/Thorndale Line |
E228643
|
entity |
| Predicate | usesRailroad |
P522
|
FINISHED |
| Object | former Pennsylvania Railroad 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: former Pennsylvania Railroad Main Line | Statement: [SEPTA Paoli/Thorndale Line, usesRailroad, former Pennsylvania Railroad Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: former Pennsylvania Railroad Main Line Context triple: [SEPTA Paoli/Thorndale Line, usesRailroad, former Pennsylvania Railroad 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.
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.
-
C.
Western Main Line
The Western Main Line is one of Sweden’s principal railway routes, connecting Stockholm with major cities to the west and south, and serving as a key corridor for both passenger and freight traffic.
-
D.
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.
-
E.
Southern Main Line
The Southern Main Line is a major Swedish railway route that connects key cities in the southern part of the country and serves as an important corridor for both passenger and freight traffic.
- 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_69ca84730a5081908de282651019bf2f |
completed | March 30, 2026, 2:10 p.m. |
| NER | Named-entity recognition | batch_69cd8018645c8190823d82a93635b345 |
completed | April 1, 2026, 8:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d12cfebb6c8190af3296c7bfd8b3e4 |
completed | April 4, 2026, 3:23 p.m. |
Created at: March 30, 2026, 7:54 p.m.