Triple

T15061935
Position Surface form Disambiguated ID Type / Status
Subject Lake Artemesia E379648 entity
Predicate connectedTo P37 FINISHED
Object Anacostia Tributary Trail System E268163 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 Tributary Trail System | Statement: [Lake Artemesia, connectedTo, Anacostia Tributary Trail System]

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 Tributary Trail System
Context triple: [Lake Artemesia, connectedTo, Anacostia Tributary Trail System]
  • A. Anacostia Tributary Trail System chosen
    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.
  • B. Anacostia Riverwalk Trail
    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.
  • C. 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.
  • 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. 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.
  • 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_69d85cd7683881908d405c1b5d7b4f7f elicitation completed
NER batch_69dedee6a55c8190b40c4672fb46b79b ner completed
NED1 batch_69fea5c612d481909575b76f7aa96c50 ned_source_triple completed
Created at: April 10, 2026, 3:02 a.m.