Triple
T5974565
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Carlisle–Chambersburg line |
E132952
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Cumberland Valley Railroad |
E23591
|
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: Cumberland Valley Railroad | Statement: [Carlisle–Chambersburg line, partOf, Cumberland Valley Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cumberland Valley Railroad Context triple: [Carlisle–Chambersburg line, partOf, Cumberland Valley Railroad]
-
A.
Cumberland Valley Railroad
chosen
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.
-
B.
Sunbury and Erie Railroad
The Sunbury and Erie Railroad was a 19th-century Pennsylvania rail line that later became part of the Northern Central Railway system.
-
C.
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.
-
D.
Western Maryland Railway
Western Maryland Railway was a historic regional railroad that operated primarily in Maryland, Pennsylvania, and West Virginia, known for hauling coal and freight through the Appalachian region before being absorbed into larger rail systems.
-
E.
Baltimore and Susquehanna Railroad
The Baltimore and Susquehanna Railroad was an early 19th-century American railroad that helped pioneer rail transportation in Maryland and Pennsylvania, eventually becoming part of the Northern Central Railway 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_69c0086deab081908550159ca23eec9b |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c04a39c9d08190a78e1e3268584eb5 |
completed | March 22, 2026, 7:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0e41459c88190a9e0ee0321946e57 |
completed | March 23, 2026, 6:56 a.m. |
Created at: March 22, 2026, 4:03 p.m.