Triple

T1914628
Position Surface form Disambiguated ID Type / Status
Subject Shenandoah River E38188 entity
Predicate hasBridge P386 FINISHED
Object Harpers Ferry railroad bridge over the Shenandoah River E57506 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: Harpers Ferry railroad bridge over the Shenandoah River | Statement: [Shenandoah River, hasBridge, Harpers Ferry railroad bridge over the Shenandoah River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harpers Ferry railroad bridge over the Shenandoah River
Context triple: [Shenandoah River, hasBridge, Harpers Ferry railroad bridge over the Shenandoah River]
  • A. Harpers Ferry railroad bridge over Potomac River chosen
    The Harpers Ferry railroad bridge over the Potomac River is a historic rail crossing that links Harpers Ferry, West Virginia, with Maryland, serving as a key transportation and Civil War–era landmark in the region.
  • B. Burnside Bridge
    Burnside Bridge is a historic stone arch bridge in Maryland best known as a focal point of intense fighting during the American Civil War’s Battle of Antietam.
  • C. Capon Bridge, West Virginia
    Capon Bridge, West Virginia, is a small town in Hampshire County known for its scenic rural setting in the Appalachian region and its proximity to outdoor recreation along the Cacapon River.
  • D. Harpers Ferry, West Virginia
    Harpers Ferry, West Virginia is a historic town at the confluence of the Potomac and Shenandoah rivers, best known for John Brown’s 1859 raid and its pivotal role in the American Civil War.
  • E. Longfellow Bridge
    Longfellow Bridge is a historic steel and granite bridge in Boston, Massachusetts, known for carrying road and rail traffic between Boston and Cambridge across the Charles River.
  • 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_69a8862a26088190aae5243695aeefc0 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69abb1e403d88190822082b4b5135e70 completed March 7, 2026, 5:04 a.m.
NED1 Entity disambiguation (via context triple) batch_69adf3d7df908190891448dfa8bb4fb0 completed March 8, 2026, 10:10 p.m.
Created at: March 4, 2026, 7:35 p.m.