Triple

T16409038

Position	Surface form	Disambiguated ID	Type / Status
Subject	East Capitol Street Bridge	`E398510`	entity
Predicate	spans	`P266`	FINISHED
Object	Anacostia River valley	`E38570`	NE FINISHED

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Anacostia River valley
Context triple: [East Capitol Street Bridge, spans, Anacostia River valley]

A. Anacostia River chosen
The Anacostia River is a tidal river in the Washington, D.C. area known for its historical significance, urban setting, and long-running environmental restoration efforts.
B. Anacostia
Anacostia is a historic neighborhood in Southeast Washington, D.C., known for its African American heritage and cultural landmarks.
C. Patapsco River
The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
D. Accotink Creek
Accotink Creek is a stream in Northern Virginia that flows through Fairfax County and ultimately feeds into the Potomac River.
E. Anacostia River and Potomac River
The Anacostia River and Potomac River are two major waterways in the Washington, D.C. area whose confluence forms a significant geographic and ecological feature of the region.
F. None of above.
G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage	Batch ID	Job type	Status
creating	`batch_69d87f2950248190bc8ad9b9bebdc8c8`	elicitation	completed
NER	`batch_69e32871bce08190addd637413473c87`	ner	completed
NED1	`batch_6a00581245108190842cfd68ec640236`	ned_source_triple	completed

Created at: April 10, 2026, 5:09 a.m.