Triple

T8820049
Position Surface form Disambiguated ID Type / Status
Subject Harlem Creek (historic) E209878 entity
Predicate partOf P40 FINISHED
Object Harlem watershed
The Harlem watershed is the drainage basin that collects and channels surface water from the Harlem area’s network of streams and creeks into larger connected water bodies.
E758229 NE FINISHED

How this triple was built (4 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: Harlem watershed | Statement: [Harlem Creek (historic), partOf, Harlem watershed]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harlem watershed
Context triple: [Harlem Creek (historic), partOf, Harlem watershed]
  • A. Harlem River
    The Harlem River is a tidal strait in New York City that separates Manhattan from the Bronx and connects the Hudson River to the East River.
  • B. Blue Plains
    Blue Plains is a major advanced wastewater treatment facility in Washington, D.C., known as one of the largest and most sophisticated plants of its kind in the world.
  • C. Gowanus Canal
    The Gowanus Canal is a heavily polluted industrial waterway in Brooklyn, New York City, known for its Superfund cleanup status and ongoing waterfront redevelopment efforts.
  • D. Harlem River Ship Canal area
    The Harlem River Ship Canal area is a navigable waterway in New York City that connects the Harlem River to the Hudson River and is spanned by the Henry Hudson Bridge.
  • E. Seine watershed
    The Seine watershed is the drainage basin in northern France that collects water flowing into the Seine River and its tributaries, encompassing Paris and surrounding regions.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
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: Harlem watershed
Triple: [Harlem Creek (historic), partOf, Harlem watershed]
Generated description
The Harlem watershed is the drainage basin that collects and channels surface water from the Harlem area’s network of streams and creeks into larger connected water bodies.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harlem watershed
Target entity description: The Harlem watershed is the drainage basin that collects and channels surface water from the Harlem area’s network of streams and creeks into larger connected water bodies.
  • A. Harlem River
    The Harlem River is a tidal strait in New York City that separates Manhattan from the Bronx and connects the Hudson River to the East River.
  • B. Blue Plains
    Blue Plains is a major advanced wastewater treatment facility in Washington, D.C., known as one of the largest and most sophisticated plants of its kind in the world.
  • C. Gowanus Canal
    The Gowanus Canal is a heavily polluted industrial waterway in Brooklyn, New York City, known for its Superfund cleanup status and ongoing waterfront redevelopment efforts.
  • D. Harlem River Ship Canal area
    The Harlem River Ship Canal area is a navigable waterway in New York City that connects the Harlem River to the Hudson River and is spanned by the Henry Hudson Bridge.
  • E. Seine watershed
    The Seine watershed is the drainage basin in northern France that collects water flowing into the Seine River and its tributaries, encompassing Paris and surrounding regions.
  • F. None of above. chosen

Provenance (5 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_69ca8364e13081909c85fe80f44fe86f completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc600fbbac8190ad36d93fff60a33f completed April 1, 2026, midnight
NED1 Entity disambiguation (via context triple) batch_69cf6fc96a8481909d09835845ccdcbf completed April 3, 2026, 7:44 a.m.
NEDg Description generation batch_69cf70c981808190856827fbcd4c4671 completed April 3, 2026, 7:48 a.m.
NED2 Entity disambiguation (via description) batch_69cf71914ec48190bd623d8d773e7ca7 completed April 3, 2026, 7:51 a.m.
Created at: March 30, 2026, 6:46 p.m.