Triple

T16239978
Position Surface form Disambiguated ID Type / Status
Subject Frederick Douglass Memorial Bridge E394215 entity
Predicate hasViewOf P854 FINISHED
Object Anacostia River waterfront E832297 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: Anacostia River waterfront | Statement: [Frederick Douglass Memorial Bridge, hasViewOf, Anacostia River waterfront]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Anacostia River waterfront
Context triple: [Frederick Douglass Memorial Bridge, hasViewOf, Anacostia River waterfront]
  • A. Anacostia waterfront chosen
    The Anacostia waterfront is a revitalized riverfront area in Washington, D.C., featuring parks, trails, residential and commercial developments, and cultural attractions along the Anacostia River.
  • B. Fort Washington (Potomac River)
    Fort Washington (Potomac River) is a historic 19th-century masonry coastal fortification on the Potomac River in Maryland that served as a key element in the defense of Washington, D.C.
  • C. Anacostia Park
    Anacostia Park is a large urban waterfront park in Washington, D.C., offering recreational facilities, trails, and green space along the Anacostia River.
  • D. 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.
  • E. Potomac River parklands
    The Potomac River parklands are a collection of federally managed green spaces, memorials, and recreational areas along the Potomac River in the Washington, D.C. region.
  • 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_69d87f2171208190951025e526947816 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e2455d5270819090171d4207223a28 completed April 17, 2026, 2:36 p.m.
NED1 Entity disambiguation (via context triple) batch_6a000edd1ed08190aa0211c3b17a918e completed May 10, 2026, 4:51 a.m.
Created at: April 10, 2026, 5:04 a.m.