Triple
T19531590
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rollins Pass route over the Continental Divide |
E488668
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Denver and Rio Grande Western Railroad system |
—
|
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: Denver and Rio Grande Western Railroad system | Statement: [Rollins Pass route over the Continental Divide, partOf, Denver and Rio Grande Western Railroad system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Denver and Rio Grande Western Railroad system Context triple: [Rollins Pass route over the Continental Divide, partOf, Denver and Rio Grande Western Railroad system]
-
A.
Denver and Rio Grande Western Railroad
chosen
The Denver and Rio Grande Western Railroad was a historic U.S. railroad known for its scenic mountain routes through Colorado and Utah and its role in transcontinental passenger and freight service.
-
B.
Colorado & Southern Railway
The Colorado & Southern Railway was a historic regional railroad in the central United States that served Colorado and neighboring states, playing a key role in the development of mining and mountain communities in the late 19th and early 20th centuries.
-
C.
Leadville Colorado & Southern Railroad
The Leadville Colorado & Southern Railroad is a heritage tourist railway in Leadville, Colorado, offering scenic rides through the Rocky Mountains along historic narrow-gauge mining routes.
-
D.
St. Joseph and Denver City Railroad
The St. Joseph and Denver City Railroad was a 19th-century rail line that formed part of an important east–west route across the Great Plains, helping connect Midwestern communities to broader national rail networks.
-
E.
Atchison, Topeka and Santa Fe Railway
The Atchison, Topeka and Santa Fe Railway was a major American railroad that became one of the largest and most influential rail systems in the United States, central to the development of the Southwest.
- 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_69d8e8db5b6c8190984b61f91981f575 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e6363fd1f8819080805346efad2579 |
completed | April 20, 2026, 2:20 p.m. |
Created at: April 10, 2026, 1:41 p.m.