Triple

T9973172
Position Surface form Disambiguated ID Type / Status
Subject Anacostia Riverwalk Trail E196258 entity
Predicate partOf P40 FINISHED
Object District of Columbia trail system
The District of Columbia trail system is an interconnected network of urban multi-use paths and greenways that link parks, waterfronts, and neighborhoods throughout Washington, D.C.
 E832302 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: District of Columbia trail system | Statement: [Anacostia Riverwalk Trail, partOf, District of Columbia trail system]

Disambiguation candidates (2 decisions)

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: District of Columbia trail system
Context triple: [Anacostia Riverwalk Trail, partOf, District of Columbia trail system]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Washington, D.C. arterial road network
    The Washington, D.C. arterial road network is the system of major streets and avenues that carries high-volume traffic across the U.S. capital, linking its neighborhoods, downtown core, and regional highways.
  • E. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: District of Columbia trail system
Target entity description: The District of Columbia trail system is an interconnected network of urban multi-use paths and greenways that link parks, waterfronts, and neighborhoods throughout Washington, D.C.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Washington, D.C. arterial road network
    The Washington, D.C. arterial road network is the system of major streets and avenues that carries high-volume traffic across the U.S. capital, linking its neighborhoods, downtown core, and regional highways.
  • E. 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.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: District of Columbia trail system
Triple: [Anacostia Riverwalk Trail, partOf, District of Columbia trail system]
Generated description
The District of Columbia trail system is an interconnected network of urban multi-use paths and greenways that link parks, waterfronts, and neighborhoods throughout Washington, D.C.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69ca82eea2b88190a0e511d21a31f386 elicitation completed
NER batch_69cdb7bc68608190a6545ea112850618 ner completed
NED1 batch_69d23dd3e47c819095fef68b9939ec19 ned_source_triple completed
NED2 batch_69d240d7b7e881909183d7c33bd8cb5b ned_description completed
NEDg batch_69d23eb2971c8190bcdbc31b4ef19816 nedg completed
Created at: March 30, 2026, 8:48 p.m.