Triple

T18304040
Position Surface form Disambiguated ID Type / Status
Subject Penobscot River watershed E438434 entity
Predicate partOf P40 FINISHED
Object Gulf of Maine drainage basin — NE NERFINISHED

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: Gulf of Maine drainage basin | Statement: [Penobscot River watershed, partOf, Gulf of Maine drainage basin]

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: Gulf of Maine drainage basin
Context triple: [Penobscot River watershed, partOf, Gulf of Maine drainage basin]
  • A. Gulf of Maine chosen
    The Gulf of Maine is a large, biologically rich and cold-water marginal sea of the Atlantic Ocean off the northeastern coast of the United States and southeastern Canada.
  • B. Penobscot Bay
    Penobscot Bay is a large inlet of the Gulf of Maine on the Atlantic coast of Maine, known for its rugged islands, maritime history, and scenic coastal communities.
  • C. Massachusetts Bay
    Massachusetts Bay is a large inlet of the Atlantic Ocean on the eastern coast of Massachusetts, historically significant as the site of early English colonial settlement in New England.
  • D. Nantucket Sound
    Nantucket Sound is a shallow, island-fringed body of water off the southern coast of Massachusetts, known for its maritime history, beaches, and recreational boating.
  • E. Penobscot River watershed
    The Penobscot River watershed is the extensive drainage basin in Maine that collects and channels water from numerous tributaries and landscapes into the Penobscot River system.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69d8b915e3e881909125d760c15d0c29 elicitation completed
NER batch_69e5018256508190b024980e3a4a3ae9 ner completed
Created at: April 10, 2026, 10:35 a.m.