Triple

T11324042
Position Surface form Disambiguated ID Type / Status
Subject Anacostia Tributary Trail System E268163 entity
Predicate connectsTo P845 FINISHED
Object Anacostia Riverwalk Trail E196258 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: Anacostia Riverwalk Trail | Statement: [Anacostia Tributary Trail System, connectsTo, Anacostia Riverwalk Trail]

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 Riverwalk Trail
Context triple: [Anacostia Tributary Trail System, connectsTo, Anacostia Riverwalk Trail]
  • A. Anacostia Riverwalk Trail chosen
    The Anacostia Riverwalk Trail is a multi-use recreational path in Washington, D.C., that connects parks, neighborhoods, and waterfront areas along the Anacostia River.
  • B. Anacostia Tributary Trail System
    The Anacostia Tributary Trail System is a network of multi-use trails in the Washington, D.C. metropolitan area that follows the tributaries of the Anacostia River, providing recreational and commuter routes for cyclists, runners, and walkers.
  • C. Gwynns Falls Greenway
    Gwynns Falls Greenway is an urban greenway and trail system in Baltimore that preserves natural areas along the Gwynns Falls stream while providing recreational paths for walking and biking.
  • D. Potomac Yard Trail
    Potomac Yard Trail is a multi-use urban path in Alexandria, Virginia, popular with cyclists and pedestrians and running through the redeveloped Potomac Yard area.
  • E. Capital Crescent Trail
    The Capital Crescent Trail is a popular multi-use rail trail in the Washington, D.C. area, known for its scenic route along the Potomac River connecting Georgetown to suburban Maryland.
  • 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_69d6aacb1f0881908c84a349fd1be047 elicitation completed
NER batch_69d7e9e122e48190b3f890de8d561480 ner completed
NED1 batch_69e543055b588190a417b3d50ade989a ned_source_triple completed
Created at: April 8, 2026, 9:32 p.m.