Triple
T26211262
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cass Scenic Railroad |
E655495
|
entity |
| Predicate | elevationAtBaldKnob |
P19320
|
FINISHED |
| Object | approximately 4,842 feet |
—
|
LITERAL 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: approximately 4,842 feet | Statement: [Cass Scenic Railroad, elevationAtBaldKnob, approximately 4,842 feet]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: elevationAtBaldKnob Context triple: [Cass Scenic Railroad, elevationAtBaldKnob, approximately 4,842 feet]
-
A.
highestElevationApprox
chosen
Indicates that an entity has an approximate value for the maximum elevation reached within its spatial or conceptual extent.
-
B.
eastSummitElevation
Indicates the elevation of the summit located on the eastern side of a geographic feature or area.
-
C.
damCrestElevation
Indicates the height of the top (crest) of a dam above a specified reference level, typically sea level.
-
D.
elevationAboveValley
Indicates the vertical height or altitude of an entity measured relative to the lowest point of the surrounding valley.
-
E.
mountainPassElevation_ft
Indicates the elevation, measured in feet, at which a mountain pass is located.
- 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_69ee5b49adb4819086545280d4ef6337 |
completed | April 26, 2026, 6:36 p.m. |
| NER | Named-entity recognition | batch_69f6430a93a48190854ce71df680b2fa |
completed | May 2, 2026, 6:31 p.m. |
| PD | Predicate disambiguation | batch_69f641da05b881909f6283c988639c53 |
completed | May 2, 2026, 6:26 p.m. |
Created at: April 26, 2026, 8:52 p.m.