Triple
T10012924
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bullfrog mining district |
E199416
|
entity |
| Predicate | railAccess |
P726
|
FINISHED |
| Object | Las Vegas and Tonopah Railroad |
E664212
|
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: Las Vegas and Tonopah Railroad | Statement: [Bullfrog mining district, railAccess, Las Vegas and Tonopah Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Las Vegas and Tonopah Railroad Context triple: [Bullfrog mining district, railAccess, Las Vegas and Tonopah Railroad]
-
A.
Las Vegas and Tonopah Railroad
chosen
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.
-
B.
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.
-
C.
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.
-
D.
Nevada Northern Railway
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.
-
E.
Arizona and California Railroad
The Arizona and California Railroad is a short line freight railroad operating in the southwestern United States, primarily connecting communities in western Arizona and southeastern California.
- 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_69ca8315a1a08190ab310f25620f362b |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cdcd3e35508190920468be167cb708 |
completed | April 2, 2026, 1:58 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d28211c2448190897fd4078a266154 |
completed | April 5, 2026, 3:38 p.m. |
Created at: March 30, 2026, 8:52 p.m.