Triple

T137438
Position Surface form Disambiguated ID Type / Status
Subject Washington Metropolitan Area Transit Authority E2776 entity
Predicate serviceAreaIncludes P82 FINISHED
Object City of Alexandria, Virginia E1823 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: City of Alexandria, Virginia | Statement: [Washington Metropolitan Area Transit Authority, serviceAreaIncludes, City of Alexandria, Virginia]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: City of Alexandria, Virginia
Context triple: [Washington Metropolitan Area Transit Authority, serviceAreaIncludes, City of Alexandria, Virginia]
  • A. City of Alexandria, Virginia chosen
    The City of Alexandria, Virginia is an independent city in Northern Virginia along the Potomac River, known for its historic Old Town, colonial architecture, and proximity to Washington, D.C.
  • B. Alexandria, Virginia
    Alexandria, Virginia is a historic independent city just south of Washington, D.C., known for its well-preserved Old Town waterfront, colonial-era architecture, and role as a major port and community along the Potomac River.
  • C. Springfield, Virginia
    Springfield, Virginia is a suburban community in Fairfax County just south of Washington, D.C., known as a major transportation hub and residential area in Northern Virginia.
  • D. Richmond, Virginia
    Richmond, Virginia is the capital city of the U.S. state of Virginia, known for its pivotal role in American history, particularly as the capital of the Confederacy during the Civil War.
  • E. Winchester, Virginia
    Winchester, Virginia is a historic independent city in the northern Shenandoah Valley known for its Civil War significance, apple orchards, and annual Shenandoah Apple Blossom Festival.
  • 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_69a2521e35c08190b28e5c9f1e3c9b59 completed Feb. 28, 2026, 2:25 a.m.
NER Named-entity recognition batch_69a25b82ef94819083488d3d93fdfe6f completed Feb. 28, 2026, 3:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69a42f5d46748190991c5813cf32f8df completed March 1, 2026, 12:21 p.m.
Created at: Feb. 28, 2026, 2:31 a.m.