Triple
T18551162
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | USRA 2-8-8-2 articulated locomotive |
E453381
|
entity |
| Predicate | usedBy |
P260
|
FINISHED |
| Object | Virginian Railway |
—
|
NE NERFINISHED |
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: Virginian Railway | Statement: [USRA 2-8-8-2 articulated locomotive, usedBy, Virginian Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Virginian Railway Context triple: [USRA 2-8-8-2 articulated locomotive, usedBy, Virginian Railway]
-
A.
Virginian Railway
chosen
The Virginian Railway was an early 20th-century American coal-hauling railroad that operated primarily in West Virginia and Virginia, renowned for its efficient, heavy-duty freight operations and later incorporation into the Norfolk and Western Railway.
-
B.
Washington and Old Dominion Railroad
The Washington and Old Dominion Railroad was a regional rail line in Northern Virginia that operated from the 19th to the mid-20th century, later converted into the popular Washington & Old Dominion Railroad Trail.
-
C.
Virginia Central Railroad
The Virginia Central Railroad was a 19th-century Virginia railway that played a key role in regional transportation and Civil War logistics before becoming a principal predecessor of the Chesapeake and Ohio Railway.
-
D.
Virginia and Tennessee Railroad
The Virginia and Tennessee Railroad was a 19th-century rail line that played a key role in linking eastern Virginia with the interior South and supporting Confederate transportation during the American Civil War.
-
E.
Manassas Gap Railroad
The Manassas Gap Railroad was a 19th-century rail line in northern Virginia that played a significant role in regional transportation and Civil War troop movements.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d8d388b0c881908e610a1c45b52640 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e53800c0fc819097782f1e81574598 |
completed | April 19, 2026, 8:16 p.m. |
Created at: April 10, 2026, 11:38 a.m.