Triple

T22348283
Position Surface form Disambiguated ID Type / Status
Subject Matadero Creek E552454 entity
Predicate partOf P40 FINISHED
Object San Francisquito Creek 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: San Francisquito Creek watershed | Statement: [Matadero Creek, partOf, San Francisquito Creek 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: San Francisquito Creek watershed
Context triple: [Matadero Creek, partOf, San Francisquito Creek watershed]
  • A. San Francisquito Creek chosen
    San Francisquito Creek is a perennial stream on the San Francisco Peninsula that forms part of the boundary between San Mateo and Santa Clara counties and runs through Palo Alto and surrounding communities before emptying into San Francisco Bay.
  • B. Calero Creek watershed
    The Calero Creek watershed is the drainage basin in Santa Clara County, California, that collects and channels surface water feeding into Calero Creek and its associated reservoir and tributaries.
  • C. Alamitos Creek
    Alamitos Creek is a stream in Santa Clara County, California, that flows through the Almaden Valley area and feeds into the Guadalupe River within the San Francisco Bay watershed.
  • D. Dominguez Watershed
    The Dominguez Watershed is a drainage basin in southern Los Angeles County that collects urban runoff and stormwater from surrounding communities and channels it to the Pacific Ocean.
  • E. Santa Clara River watershed
    The Santa Clara River watershed is a major river basin in Southern California that drains diverse mountain and valley landscapes before emptying into the Pacific Ocean near Ventura.
  • 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_69e11e4a0ad08190a385b4d343cf6524 elicitation completed
NER batch_69f1579a1c308190ae2174f99ae317ab ner completed
Created at: April 16, 2026, 8:43 p.m.