Triple
T22065844
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Railroad tracks |
E545265
|
entity |
| Predicate | includesStructureOnHistoricMainLine |
P128655
|
FINISHED |
| Object | Horseshoe Curve |
—
|
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: Horseshoe Curve | Statement: [Pennsylvania Railroad tracks, includesStructureOnHistoricMainLine, Horseshoe Curve]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Horseshoe Curve Context triple: [Pennsylvania Railroad tracks, includesStructureOnHistoricMainLine, Horseshoe Curve]
-
A.
Horseshoe Curve National Historic Landmark
chosen
Horseshoe Curve National Historic Landmark is a famous railroad engineering marvel in Altoona, Pennsylvania, featuring a large, curved section of track built in the 19th century to help trains cross the Allegheny Mountains.
-
B.
Rendsburg Loop
The Rendsburg Loop is a distinctive spiral railway structure in Rendsburg, Germany, designed to allow trains to gradually gain or lose height when crossing the Kiel Canal via the adjacent high bridge.
-
C.
Curva Ferrovia
Curva Ferrovia is a spectator stand in the Stadio Artemio Franchi, traditionally occupied by passionate home supporters of ACF Fiorentina.
-
D.
Geneva Spur
Geneva Spur is a branch of the Illinois Prairie Path, a multi-use recreational trail in the Chicago metropolitan area.
-
E.
Bell Rock Loop
Bell Rock Loop is a popular hiking trail in Sedona, Arizona, known for its scenic red rock views and relatively easy, family-friendly terrain.
- 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: includesStructureOnHistoricMainLine Context triple: [Pennsylvania Railroad tracks, includesStructureOnHistoricMainLine, Horseshoe Curve]
-
A.
hasStructureHistory
Indicates that there exists a record or account detailing the past states, changes, or development of a structure over time.
-
B.
integratesHistoricStructure
chosen
Indicates that one entity incorporates or includes a historic structure as part of its design, composition, or overall configuration.
-
C.
includeHistoricalSee
Indicates that a relationship or reference should also encompass or display historically related "see also" connections or pointers.
-
D.
hasHistoricBasisIn
Indicates that something is grounded in, derived from, or justified by historical events, practices, or precedents.
-
E.
historicalBranch
Indicates that one entity is a branch, offshoot, or derivative of another in a historical or developmental lineage.
- 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_69e11e344dfc81909b1d88a7221329c7 |
completed | April 16, 2026, 5:36 p.m. |
| NER | Named-entity recognition | batch_69f12883d2108190a6127783f8f635fc |
completed | April 28, 2026, 9:37 p.m. |
| PD | Predicate disambiguation | batch_69e6f64a6a70819089d1a6c3a2384861 |
completed | April 21, 2026, 4 a.m. |
Created at: April 16, 2026, 8:27 p.m.