Triple
T13498444
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Philadelphia to Harrisburg Main Line |
E320819
|
entity |
| Predicate | partOfCorridor |
P840
|
FINISHED |
| Object | Keystone Corridor East |
E15785
|
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: Keystone Corridor East | Statement: [Philadelphia to Harrisburg Main Line, partOfCorridor, Keystone Corridor East]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keystone Corridor East Context triple: [Philadelphia to Harrisburg Main Line, partOfCorridor, Keystone Corridor East]
-
A.
Keystone Corridor
chosen
Keystone Corridor is a major passenger rail route in Pennsylvania that connects Philadelphia with Harrisburg and other central Pennsylvania destinations.
-
B.
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.
-
C.
Panhandle Route of the Pennsylvania Railroad
The Panhandle Route of the Pennsylvania Railroad was a major historic rail line that connected Pittsburgh with the American Midwest, serving as an important freight and passenger corridor in the 19th and early 20th centuries.
-
D.
Erie Railroad Main Line
The Erie Railroad Main Line was a major historic rail corridor in the northeastern United States that formed the core route of the former Erie Railroad between the New York City area and the Midwest.
-
E.
Norristown High Speed Line
The Norristown High Speed Line is an interurban rapid transit route in the Philadelphia region that connects the city with its northwestern suburbs via a dedicated right-of-way.
- 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_69d807629d6c8190998f1b9bb12d2ed0 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbaf4fab688190bdc746985b0c7338 |
completed | April 12, 2026, 2:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f76ba566c48190808857dd0bc3a871 |
completed | May 3, 2026, 3:37 p.m. |
Created at: April 9, 2026, 9:43 p.m.