Triple

T500526
Position Surface form Disambiguated ID Type / Status
Subject Fredericksburg Line E10388 entity
Predicate hasServiceTo P6787 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: [Fredericksburg Line, hasServiceTo, City of Alexandria, Virginia]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: City of Alexandria, Virginia
Context triple: [Fredericksburg Line, hasServiceTo, 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. Gainesville, Virginia
    Gainesville, Virginia is a rapidly growing suburban community in Prince William County, northern Virginia, known for its residential developments, shopping centers, and proximity to major commuter routes into the Washington, D.C. metropolitan area.
  • 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_69a2e847df8481909239ec08ccf1e376 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2f13096248190a622a58dcf540b00 completed Feb. 28, 2026, 1:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69a5dc8df9708190976967ad4e45a597 completed March 2, 2026, 6:53 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.