Triple

T23436869
Position Surface form Disambiguated ID Type / Status
Subject River Terrace Park ballfields E563486 entity
Predicate operatedBy P86 FINISHED
Object District of Columbia Department of Parks and Recreation — NE NERFINISHED

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: District of Columbia Department of Parks and Recreation | Statement: [River Terrace Park ballfields, operatedBy, District of Columbia Department of Parks and Recreation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: District of Columbia Department of Parks and Recreation
Context triple: [River Terrace Park ballfields, operatedBy, District of Columbia Department of Parks and Recreation]
  • A. District of Columbia Department of Parks and Recreation chosen
    The District of Columbia Department of Parks and Recreation is the municipal agency responsible for managing Washington, D.C.’s public parks, recreation centers, and related community programs.
  • B. District of Columbia Department of Public Works
    The District of Columbia Department of Public Works is the municipal agency responsible for services such as trash and recycling collection, street and alley cleaning, parking enforcement, and related public space maintenance in Washington, D.C.
  • C. Maryland-National Capital Park and Planning Commission
    The Maryland-National Capital Park and Planning Commission is a bi-county agency responsible for park management and land-use planning in Montgomery and Prince George’s counties in Maryland.
  • D. National Capital Park and Planning Commission
    The National Capital Park and Planning Commission was a U.S. federal agency responsible for planning and developing parks, parkways, and urban design in the Washington, D.C. metropolitan area in the early 20th century.
  • E. Fairfax County Park Authority
    Fairfax County Park Authority is the governmental agency responsible for managing and operating the public parks and recreational facilities in Fairfax County, Virginia.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e24553980c8190bb66a2ae0bdab125 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f1a5dcd4608190a543cc747e0daab8 completed April 29, 2026, 6:31 a.m.
Created at: April 17, 2026, 5:50 p.m.