Triple

T10995532
Position Surface form Disambiguated ID Type / Status
Subject Barcroft Hills, Virginia E259855 entity
Predicate county P75 FINISHED
Object Fairfax County, Virginia E1822 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Fairfax County, Virginia | Statement: [Barcroft Hills, Virginia, county, Fairfax County, Virginia]

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: Fairfax County, Virginia
Context triple: [Barcroft Hills, Virginia, county, Fairfax County, Virginia]
  • A. Fairfax County, Virginia chosen
    Fairfax County, Virginia is a populous and affluent suburban county in Northern Virginia that borders Washington, D.C. and serves as a major economic and governmental hub in the region.
  • B. Loudoun County, Virginia
    Loudoun County, Virginia is a rapidly growing suburban county in Northern Virginia known for its affluent communities, technology and data center corridor, and proximity to Washington, D.C.
  • C. Arlington County
    Arlington County is an urban county in Northern Virginia, directly across the Potomac River from Washington, D.C., known for its dense development, federal government presence, and landmarks such as the Pentagon and Arlington National Cemetery.
  • D. Montgomery County, Virginia
    Montgomery County, Virginia is a county in southwestern Virginia best known as the home of the college town of Blacksburg and the main campus of Virginia Tech.
  • E. Stafford County, Virginia
    Stafford County, Virginia is a rapidly growing suburban county in northern Virginia known for its proximity to Washington, D.C., its role as a commuter community, and its historical sites dating back to the colonial and Civil War eras.
  • 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_69d6aa8a6a548190a750f944ccdc8064 elicitation completed
NER batch_69d795d59ebc8190baff1f50bdc46c1b ner completed
NED1 batch_69e3452420c08190b9c91a9c8a807670 ned_source_triple completed
Created at: April 8, 2026, 9:24 p.m.