Triple

T21322664
Position Surface form Disambiguated ID Type / Status
Subject Great Seneca Creek E525658 entity
Predicate partOf P40 FINISHED
Object Potomac River watershed — 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: Potomac River watershed | Statement: [Great Seneca Creek, partOf, Potomac 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: Potomac River watershed
Context triple: [Great Seneca Creek, partOf, Potomac River watershed]
  • A. Potomac River region
    The Potomac River region is a historically significant area along the Potomac River in the eastern United States, known for its early colonial estates, ties to prominent Virginia families, and proximity to the nation’s capital.
  • B. Potomac River chosen
    The Potomac River is a major waterway in the Mid-Atlantic United States that flows through the Appalachian region and forms part of the boundary between Maryland, Virginia, and Washington, D.C.
  • C. Susquehanna River basin
    The Susquehanna River basin is the extensive watershed in the northeastern United States that drains into the Susquehanna River and ultimately the Chesapeake Bay, encompassing diverse valleys, tributaries, and landscapes.
  • D. Severn River system
    The Severn River system is the interconnected network of the River Severn and its tributaries, forming one of the major drainage basins in Great Britain.
  • E. Allegheny River watershed
    The Allegheny River watershed is the drainage basin encompassing all the land and waterways that collect and channel water into the Allegheny River across parts of New York and Pennsylvania.
  • 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_69e0b51ad810819098c12392c8e55f6c elicitation completed
NER batch_69e77ed355cc8190a305c1c48117fb9e ner completed
Created at: April 16, 2026, 4:40 p.m.