Triple

T18535371
Position Surface form Disambiguated ID Type / Status
Subject Vargas River E452950 entity
Predicate partOf P40 FINISHED
Object Baker River 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: Baker River basin | Statement: [Vargas River, partOf, Baker River 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: Baker River basin
Context triple: [Vargas River, partOf, Baker River basin]
  • A. Allaine river basin
    The Allaine river basin is a drainage area in the Jura region of eastern France and northwestern Switzerland that collects the waters of the Allaine River and its tributaries.
  • B. Cheat River basin
    The Cheat River basin is a watershed in the Allegheny Mountains of West Virginia and Pennsylvania that collects runoff from highland areas, including Cheat Mountain, before draining into the Monongahela River system.
  • C. Baker River
    Baker River is a tributary of the Pemigewasset River in central New Hampshire, flowing through towns such as Plymouth and serving as a scenic waterway for recreation and local wildlife.
  • D. Baker River
    Baker River is a glacially fed river in northwestern Washington State known for its hydroelectric dams and as a major tributary within the Skagit River watershed.
  • E. Baker River chosen
    The Baker River is one of the largest and most powerful rivers in Chilean Patagonia, renowned for its turquoise waters, remote wilderness surroundings, and significance for both hydropower debates and adventure tourism.
  • 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_69d8d387b5548190aa030dad2cb4947e elicitation completed
NER batch_69e5340193588190ace2c09c6a94cf81 ner completed
Created at: April 10, 2026, 11:37 a.m.