Triple

T10208397
Position Surface form Disambiguated ID Type / Status
Subject Columbia South Shore E242263 entity
Predicate contains P35 FINISHED
Object Portland Columbia South Shore Well Field E49796 NE FINISHED

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: Portland Columbia South Shore Well Field
Context triple: [Columbia South Shore, contains, Portland Columbia South Shore Well Field]
  • A. Columbia South Shore Well Field chosen
    The Columbia South Shore Well Field is a major groundwater supply system that provides drinking water to the Portland, Oregon metropolitan area, particularly as a backup and supplemental source to the city’s primary surface water.
  • B. Portland Water Bureau
    The Portland Water Bureau is the municipal agency responsible for providing and managing the drinking water supply and related water services for the city of Portland, Oregon.
  • C. Columbia City, Oregon
    Columbia City, Oregon is a small riverside town in northwestern Oregon situated along the Columbia River within Columbia County.
  • D. Columbia South Shore area of Portland
    The Columbia South Shore area of Portland is an industrial and commercial district along the Columbia River that also serves as a key groundwater protection and well field zone for the city’s drinking water supply.
  • E. Columbia City, Seattle
    Columbia City is a historic, culturally diverse neighborhood in southeast Seattle known for its vibrant business district, arts scene, and well-preserved early 20th-century architecture.
  • 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_69d381ae26c48190985abd0e25ee5d04 elicitation completed
NER batch_69d395f8e2b881909c51f8210f09cd4f ner completed
NED1 batch_69d652c13d748190908d1869c60e84c3 ned_source_triple completed
Created at: April 6, 2026, 10:59 a.m.