Triple

T747220
Position Surface form Disambiguated ID Type / Status
Subject Middle Branch Reservoir E15369 entity
Predicate outflow P967 FINISHED
Object Middle Branch of the Croton River E56939 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: Middle Branch of the Croton River | Statement: [Middle Branch Reservoir, outflow, Middle Branch of the Croton River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Middle Branch of the Croton River
Context triple: [Middle Branch Reservoir, outflow, Middle Branch of the Croton River]
  • A. Middle Branch Croton River chosen
    The Middle Branch Croton River is a tributary stream in southeastern New York that forms part of the Croton River watershed supplying New York City’s water system.
  • B. West Branch Croton River
    West Branch Croton River is a major tributary of New York’s Croton River, flowing through Putnam County and contributing to the New York City water supply system.
  • C. East Branch Croton River
    East Branch Croton River is a major tributary of New York's Croton River system, contributing to the water supply network for New York City.
  • D. Titicus River
    The Titicus River is a tributary stream in southwestern Connecticut and southeastern New York that feeds into the Croton River within the New York City water supply system.
  • E. 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.
  • 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_69a49358aa308190adbc9b5a0a2adcf9 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a62dd1bc819094a3814654448ae3 completed March 1, 2026, 8:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7b83948b48190af0349dd73ec3951 completed March 4, 2026, 4:42 a.m.
Created at: March 1, 2026, 7:37 p.m.