Triple

T13305368
Position Surface form Disambiguated ID Type / Status
Subject Mamaroneck Harbor E316921 entity
Predicate receivesInflowFrom P967 FINISHED
Object Mamaroneck River
The Mamaroneck River is a small coastal river in Westchester County, New York, that flows through suburban communities before emptying into Long Island Sound.
 E1065057 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: Mamaroneck River | Statement: [Mamaroneck Harbor, receivesInflowFrom, Mamaroneck River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mamaroneck River
Context triple: [Mamaroneck Harbor, receivesInflowFrom, Mamaroneck River]
  • A. Pocantico River
    The Pocantico River is a small river in Westchester County, New York, that flows through the Rockefeller family’s historic estate and into the Hudson River near Sleepy Hollow.
  • B. Saw Mill River
    Saw Mill River is a tributary of the Hudson River in southeastern New York, flowing through urban and suburban communities in Westchester County.
  • C. Wappinger Creek
    Wappinger Creek is a significant Hudson River tributary in Dutchess County, New York, known for flowing through communities such as Wappingers Falls and supporting local recreation and ecosystems.
  • D. Westchester Creek
    Westchester Creek is a tidal inlet and tributary of the East River located in the Bronx, New York City.
  • E. Whippany River
    The Whippany River is a tributary waterway in northern New Jersey that flows through Morris County before joining the Passaic River.
  • 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: Mamaroneck River
Triple: [Mamaroneck Harbor, receivesInflowFrom, Mamaroneck River]
Generated description
The Mamaroneck River is a small coastal river in Westchester County, New York, that flows through suburban communities before emptying into Long Island Sound.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mamaroneck River
Target entity description: The Mamaroneck River is a small coastal river in Westchester County, New York, that flows through suburban communities before emptying into Long Island Sound.
  • A. Pocantico River
    The Pocantico River is a small river in Westchester County, New York, that flows through the Rockefeller family’s historic estate and into the Hudson River near Sleepy Hollow.
  • B. Saw Mill River
    Saw Mill River is a tributary of the Hudson River in southeastern New York, flowing through urban and suburban communities in Westchester County.
  • C. Wappinger Creek
    Wappinger Creek is a significant Hudson River tributary in Dutchess County, New York, known for flowing through communities such as Wappingers Falls and supporting local recreation and ecosystems.
  • D. Westchester Creek
    Westchester Creek is a tidal inlet and tributary of the East River located in the Bronx, New York City.
  • E. Whippany River
    The Whippany River is a tributary waterway in northern New Jersey that flows through Morris County before joining the Passaic River.
  • 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_69d806b40ab4819094adf6c374f4811a completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d990a76adc8190ab9abcdb79a21ca8 completed April 11, 2026, 12:07 a.m.
NED1 Entity disambiguation (via context triple) batch_69f7c0d3cf3881908fdfc56bd31e5fe2 completed May 3, 2026, 9:40 p.m.
NEDg Description generation batch_69f7c18a032481909fc1e97883062170 completed May 3, 2026, 9:43 p.m.
NED2 Entity disambiguation (via description) batch_69f7c21231f48190ae6e2bdb2bbc0afd completed May 3, 2026, 9:45 p.m.
Created at: April 9, 2026, 9:28 p.m.