Triple

T16983501
Position Surface form Disambiguated ID Type / Status
Subject Altoona, Pennsylvania E412001 entity
Predicate hasHistoricSite P1098 FINISHED
Object Horseshoe Curve National Historic Landmark E371415 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: Horseshoe Curve National Historic Landmark | Statement: [Altoona, Pennsylvania, hasHistoricSite, Horseshoe Curve National Historic Landmark]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Horseshoe Curve National Historic Landmark
Context triple: [Altoona, Pennsylvania, hasHistoricSite, Horseshoe Curve National Historic Landmark]
  • 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. Railroad Park
    Railroad Park is a popular urban green space and community gathering spot in downtown Birmingham, Alabama, known for its walking trails, ponds, and skyline views.
  • C. Promontory Summit rail junction
    Promontory Summit rail junction is the historic Utah rail site where the First Transcontinental Railroad was completed in 1869, symbolically linking the eastern and western United States.
  • D. Point State Park
    Point State Park is an urban state park at the confluence of Pittsburgh’s three rivers, known for its iconic fountain and historic significance as the site of former frontier forts.
  • E. Horseshoe Park
    Horseshoe Park is a scenic valley area within Colorado’s Rocky Mountain National Park, known for its meadows, wildlife viewing, and mountain vistas.
  • 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_69d886ca8f348190812768ea8d5055ce completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3d188ede48190baead48aac84c78d completed April 18, 2026, 6:46 p.m.
NED1 Entity disambiguation (via context triple) batch_6a011b412dd48190862fde6d1656113d completed May 10, 2026, 11:56 p.m.
Created at: April 10, 2026, 5:32 a.m.