Triple

T7608806
Position Surface form Disambiguated ID Type / Status
Subject Mystic River (Connecticut) E172178 entity
Predicate drainageBasin P1559 FINISHED
Object Long Island Sound watershed E17706 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Long Island Sound watershed | Statement: [Mystic River (Connecticut), drainageBasin, Long Island Sound watershed]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Long Island Sound watershed
Context triple: [Mystic River (Connecticut), drainageBasin, Long Island Sound watershed]
  • A. Long Island Sound chosen
    Long Island Sound is a tidal estuary of the Atlantic Ocean located between Long Island, New York, and the coast of Connecticut, known for its maritime commerce, recreation, and diverse coastal ecosystems.
  • B. Great Bay Estuary
    Great Bay Estuary is a tidal estuarine system in New Hampshire known for its rich coastal ecosystems and importance to regional wildlife and water quality.
  • C. New York Harbor estuarine system
    The New York Harbor estuarine system is a complex network of tidal waterways and wetlands at the meeting of the Hudson River and the Atlantic Ocean, forming one of the world’s largest natural harbors and a critical ecological and shipping hub for the New York metropolitan area.
  • D. Hudson River watershed
    The Hudson River watershed is the extensive drainage basin in eastern New York (and parts of surrounding states) whose rivers, streams, and reservoirs ultimately flow into the Hudson River and then the Atlantic Ocean.
  • E. Peconic River
    The Peconic River is a freshwater river on eastern Long Island, New York, that flows through the Town of Riverhead and drains into the Peconic Bay system.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69c6994f50808190ba228764bb422417 elicitation completed
NER batch_69c6fa1f6e888190ac6580724803fbc3 ner completed
NED1 batch_69c87094139481909858399a082f4a29 ned_source_triple completed
Created at: March 27, 2026, 3:54 p.m.