Triple
T19578750
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Moffat Tunnel |
E489928
|
entity |
| Predicate | replaced |
P101
|
FINISHED |
| Object | Denver and Salt Lake Railway Rollins Pass route |
—
|
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 Salt Lake Railway Rollins Pass route | Statement: [Moffat Tunnel, replaced, Denver and Salt Lake Railway Rollins Pass route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Denver and Salt Lake Railway Rollins Pass route Context triple: [Moffat Tunnel, replaced, Denver and Salt Lake Railway Rollins Pass route]
-
A.
Denver–Billings route
The Denver–Billings route was a regional rail line in the American West that connected Denver, Colorado, with Billings, Montana, serving as an important corridor for both passenger and freight traffic.
-
B.
Union Pacific Moffat Subdivision
chosen
The Union Pacific Moffat Subdivision is a major railroad line in Colorado that carries freight and passenger trains through the Rocky Mountains via the historic Moffat Tunnel and surrounding mountain passes.
-
C.
BNSF La Junta Subdivision
BNSF La Junta Subdivision is a major freight and passenger rail line in the BNSF Railway network running through southeastern Colorado and surrounding regions.
-
D.
The Utah Trail
The Utah Trail is a 1938 American Western film starring Tex Ritter, known for its singing cowboy action and frontier adventure themes.
-
E.
Carson and Colorado Railway
The Carson and Colorado Railway was a narrow-gauge railroad that operated in the late 19th and early 20th centuries, primarily serving remote mining regions in Nevada and eastern California.
- 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_69d8e8dd9374819098e36349b3211663 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e6402693d88190a828c0e136895783 |
completed | April 20, 2026, 3:03 p.m. |
Created at: April 10, 2026, 1:42 p.m.