Triple

T18303971
Position Surface form Disambiguated ID Type / Status
Subject Penobscot River watershed E438434 entity
Predicate hasTributary P415 FINISHED
Object Piscataquis River — 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: Piscataquis River | Statement: [Penobscot River watershed, hasTributary, Piscataquis River]

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: Piscataquis River
Context triple: [Penobscot River watershed, hasTributary, Piscataquis River]
  • A. Piscataquis River chosen
    The Piscataquis River is a tributary of the Penobscot River in central Maine, known for flowing through largely rural, forested landscapes and lending its name to Piscataquis County.
  • B. Kennebago River
    The Kennebago River is a river in western Maine known for its scenic wilderness setting and popular trout and salmon fishing waters.
  • C. Carrabassett River
    The Carrabassett River is a scenic river in western Maine known for flowing through the Carrabassett Valley near Sugarloaf Mountain and offering opportunities for fishing, paddling, and other outdoor recreation.
  • D. Aroostook River
    The Aroostook River is a major tributary of the Saint John River flowing through northern Maine and western New Brunswick, known for its scenic valleys and recreational fishing and paddling.
  • E. Raquette River
    The Raquette River is a major river in northern New York’s Adirondack region, known for its long, scenic course and popularity for paddling and outdoor recreation.
  • 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_69e5018176d481909536f50689f878d2 ner completed
Created at: April 10, 2026, 10:35 a.m.