Triple

T20712213
Position Surface form Disambiguated ID Type / Status
Subject San Francisquito Creek tidal area E509075 entity
Predicate partOf P40 FINISHED
Object San Francisco Bay estuary 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 Francisco Bay estuary | Statement: [San Francisquito Creek tidal area, partOf, San Francisco Bay estuary]

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 Francisco Bay estuary
Context triple: [San Francisquito Creek tidal area, partOf, San Francisco Bay estuary]
  • A. San Francisco Estuary chosen
    The San Francisco Estuary is a vast, biologically rich tidal estuary system in California where the Sacramento–San Joaquin River Delta meets San Francisco Bay and the Pacific Ocean.
  • B. San Francisco Bay
    San Francisco Bay is a large, shallow estuarine inlet on the coast of Northern California, known for its iconic bridges, maritime activity, and role as the geographic center of the San Francisco Bay Area.
  • C. Oakland Estuary
    The Oakland Estuary is a tidal channel separating Oakland and Alameda, California, serving as a key maritime waterway and harbor area in the San Francisco Bay.
  • D. Suisun Bay
    Suisun Bay is a shallow tidal estuary in Northern California that forms part of the greater San Francisco Bay system and serves as a key confluence for the Sacramento and San Joaquin rivers.
  • E. Humboldt Bay
    Humboldt Bay is a large natural harbor and coastal lagoon on the Northern California coast, known for its rich marine ecosystems, commercial port, and surrounding wetlands.
  • 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_69e0b4c40ad88190b81f77695366d328 elicitation completed
NER batch_69e6c1ce84e48190922db93ed4b5d21b ner completed
Created at: April 16, 2026, 12:15 p.m.