Triple

T7775966
Position Surface form Disambiguated ID Type / Status
Subject Columbus Junction, Iowa E221389 entity
Predicate locatedInWatershed P40 FINISHED
Object Cedar River watershed E102041 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: Cedar River watershed | Statement: [Columbus Junction, Iowa, locatedInWatershed, Cedar 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: Cedar River watershed
Context triple: [Columbus Junction, Iowa, locatedInWatershed, Cedar River watershed]
  • A. Yahara River watershed
    The Yahara River watershed is the drainage basin in south-central Wisconsin that collects water from lakes, streams, and surrounding lands feeding the Yahara River system.
  • B. Lake Washington–Cedar River watershed
    The Lake Washington–Cedar River watershed is a major hydrological basin in the Seattle metropolitan area that drains water from the Cedar River and surrounding tributaries into Lake Washington and ultimately Puget Sound.
  • C. Cedar River
    Cedar River is a tributary waterway in Michigan that feeds into the Muskegon River within the Great Lakes watershed.
  • D. Cedar River chosen
    Cedar River is a major river in Iowa and Minnesota known for flowing through cities like Cedar Rapids and contributing significantly to the region’s ecology and economy.
  • E. Cedar River
    Cedar River is a scenic waterway in the Adirondack region of New York State, known for its forested surroundings and outdoor recreation opportunities such as fishing and paddling.
  • 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_69ca83ebbef881909ac47f789145fef7 elicitation completed
NER batch_69caa4d005808190ac14c8d716421bdb ner completed
NED1 batch_69cbdea8e0ec8190a88dae9f0097ca16 ned_source_triple completed
Created at: March 30, 2026, 4:03 p.m.