Triple

T16688284
Position Surface form Disambiguated ID Type / Status
Subject Oakland, Maine E405522 entity
Predicate locatedIn P40 FINISHED
Object Kennebec River watershed E283805 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: Kennebec River watershed | Statement: [Oakland, Maine, locatedIn, Kennebec River 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: Kennebec River watershed
Context triple: [Oakland, Maine, locatedIn, Kennebec River watershed]
  • A. Kennebec River watershed chosen
    The Kennebec River watershed is the drainage basin of Maine’s Kennebec River, encompassing its tributaries, surrounding lands, and communities that rely on its freshwater ecosystem.
  • B. 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.
  • C. Androscoggin River watershed
    The Androscoggin River watershed is the land area in Maine and New Hampshire whose surface water drains into the Androscoggin River, encompassing its tributaries, lakes, and surrounding ecosystems.
  • D. Sebasticook River watershed
    The Sebasticook River watershed is a drainage basin in central Maine that collects water from numerous lakes, rivers, and streams before ultimately feeding into the Kennebec River system.
  • E. Kennebec River
    The Kennebec River is a major river in central Maine known for its historical role in logging and shipping and its popular whitewater rafting and recreational opportunities.
  • 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_69d8838c28748190b3f5967c743940ab elicitation completed
NER batch_69e37ea75df481909a7ebb9b2a9d0afd ner completed
NED1 batch_6a011b35ce148190a10322f392cb7366 ned_source_triple completed
Created at: April 10, 2026, 5:19 a.m.