Triple

T20063080
Position Surface form Disambiguated ID Type / Status
Subject Laramie Range E499532 entity
Predicate drainage P1559 FINISHED
Object South Platte 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: South Platte River basin | Statement: [Laramie Range, drainage, South Platte 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: South Platte River basin
Context triple: [Laramie Range, drainage, South Platte River basin]
  • A. Platte River basin
    The Platte River basin is a major drainage area in the central United States that collects water from the Platte River and its tributaries before ultimately contributing flow to the Missouri and Mississippi river systems.
  • B. South Platte River chosen
    The South Platte River is a major tributary of the Platte River that flows through Colorado and Nebraska, running through Denver and serving as an important source of water, recreation, and habitat in the region.
  • C. Arkansas River basin
    The Arkansas River basin is the extensive watershed that collects precipitation and runoff from parts of Colorado, Kansas, Oklahoma, and Arkansas, ultimately feeding the Arkansas River, a major tributary of the Mississippi River.
  • D. Platte River
    The Platte River is a broad, shallow river in the central United States that flows through Nebraska and is historically significant as a route corridor for westward expansion and a vital habitat for migratory birds.
  • E. Platte River
    The Platte River is a scenic waterway in northwestern Michigan known for its clear waters, recreational fishing, and canoeing opportunities as it flows toward Lake Michigan.
  • 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_69da6276bcf48190aabbf279192a5fb4 elicitation completed
NER batch_69e66377b6b48190a0a37279f285123e ner completed
Created at: April 11, 2026, 3:39 p.m.