Triple
T21365442
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Route 28 |
E526896
|
entity |
| Predicate | parallelTo |
P1868
|
FINISHED |
| Object | Allegheny Valley Railroad (in some segments) |
—
|
NE NERFINISHED |
How this triple was built (3 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: Allegheny Valley Railroad (in some segments) | Statement: [Pennsylvania Route 28, parallelTo, Allegheny Valley Railroad (in some segments)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Allegheny Valley Railroad (in some segments) Context triple: [Pennsylvania Route 28, parallelTo, Allegheny Valley Railroad (in some segments)]
-
A.
Pittsburgh and West Virginia Railway
The Pittsburgh and West Virginia Railway was a regional railroad that operated in the Appalachian area, providing freight and passenger service across parts of Pennsylvania and West Virginia.
-
B.
Ligonier Valley Railroad
Ligonier Valley Railroad was a historic short-line railroad in Pennsylvania that primarily served the Ligonier Valley region by transporting passengers and local industrial freight in the late 19th and early 20th centuries.
-
C.
Cumberland Valley Railroad
The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
-
D.
Allegheny Portage Railroad
The Allegheny Portage Railroad was a 19th-century inclined-plane rail system that carried canal boats over the Allegheny Mountains, playing a key role in early transportation across Pennsylvania and now preserved as a National Historic Site.
-
E.
Durbin and Greenbrier Valley Railroad
The Durbin and Greenbrier Valley Railroad is a heritage railroad in West Virginia that operates scenic tourist excursions through the Allegheny Mountains using historic locomotives and rolling stock.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Allegheny Valley Railroad (in some segments) Target entity description: Allegheny Valley Railroad is a regional freight railroad in western Pennsylvania that operates along former Pennsylvania Railroad lines, serving industrial customers in the Allegheny River valley.
-
A.
Pittsburgh and West Virginia Railway
The Pittsburgh and West Virginia Railway was a regional railroad that operated in the Appalachian area, providing freight and passenger service across parts of Pennsylvania and West Virginia.
-
B.
Ligonier Valley Railroad
Ligonier Valley Railroad was a historic short-line railroad in Pennsylvania that primarily served the Ligonier Valley region by transporting passengers and local industrial freight in the late 19th and early 20th centuries.
-
C.
Cumberland Valley Railroad
The Cumberland Valley Railroad was a historic American railroad that operated primarily in south-central Pennsylvania and northern Maryland, playing a key role in regional transportation during the 19th and early 20th centuries.
-
D.
Allegheny Portage Railroad
The Allegheny Portage Railroad was a 19th-century inclined-plane rail system that carried canal boats over the Allegheny Mountains, playing a key role in early transportation across Pennsylvania and now preserved as a National Historic Site.
-
E.
Durbin and Greenbrier Valley Railroad
The Durbin and Greenbrier Valley Railroad is a heritage railroad in West Virginia that operates scenic tourist excursions through the Allegheny Mountains using historic locomotives and rolling stock.
- F. None of above. chosen
Provenance (2 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_69e0b51d8a308190b09113b3b3f9bc15 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e8b06ec4208190b9ed3484afd85852 |
completed | April 22, 2026, 11:26 a.m. |
Created at: April 16, 2026, 5:09 p.m.