Triple
T23101960
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ely |
E576053
|
entity |
| Predicate | hasHistoricRailroad |
P28401
|
FINISHED |
| Object | Nevada Northern Railway |
—
|
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: Nevada Northern Railway | Statement: [Ely, hasHistoricRailroad, Nevada Northern Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nevada Northern Railway Context triple: [Ely, hasHistoricRailroad, Nevada Northern Railway]
-
A.
Nevada Northern Railway
chosen
The Nevada Northern Railway is a historic railway in eastern Nevada, preserved as a heritage line featuring original steam and diesel locomotives, vintage rolling stock, and museum facilities that showcase early 20th-century railroading.
-
B.
Las Vegas and Tonopah Railroad
The Las Vegas and Tonopah Railroad was an early 20th-century Nevada rail line that connected Las Vegas with mining boomtowns in the state’s south-central region, serving as a key carrier for ore, supplies, and passengers during the mining rush era.
-
C.
Tonopah and Goldfield Railroad
The Tonopah and Goldfield Railroad was an early 20th-century Nevada short line that served the mining boom towns of Tonopah and Goldfield, transporting ore, supplies, and passengers across the desert.
-
D.
Tonopah and Tidewater Railroad
The Tonopah and Tidewater Railroad was an early 20th-century short line that served mining regions of Nevada and California, transporting ore and supplies across the Mojave Desert.
-
E.
Virginia and Truckee Railroad
The Virginia and Truckee Railroad was a historic 19th-century short-line railway in Nevada that played a crucial role in transporting ore, supplies, and passengers for the Comstock Lode mining boom.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasHistoricRailroad Context triple: [Ely, hasHistoricRailroad, Nevada Northern Railway]
-
A.
hasRailroadHistory
chosen
Indicates that an entity is associated with, involved in, or notable for historical events, operations, or developments related to railroads.
-
B.
hasRailroadHistoryWith
Indicates a historical relationship or connection between entities involving railroads, such as shared development, operation, or significant events in railway history.
-
C.
followsFormerRailroad
Indicates that something is aligned with or traces the route of a former railroad line.
-
D.
formerRailroad
Indicates that an entity was previously a railroad but no longer functions as one.
-
E.
formerRailUse
Indicates that an entity previously served a particular railway-related function or purpose, but no longer does so.
- F. None of above.
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_69e245c060b48190a9bd61a47a16db17 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f18de9fa8c81909fd26ff37173b85b |
completed | April 29, 2026, 4:49 a.m. |
| PD | Predicate disambiguation | batch_69ef89e5ce748190b2c3ac3843484127 |
completed | April 27, 2026, 4:08 p.m. |
Created at: April 17, 2026, 3:58 p.m.