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.