Triple

T19323243
Position Surface form Disambiguated ID Type / Status
Subject Thompson Creek (Santa Clara County) E483279 entity
Predicate hasHydrologicalSystem P1736 FINISHED
Object San Francisco Bay hydrological system 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 hydrological system | Statement: [Thompson Creek (Santa Clara County), hasHydrologicalSystem, San Francisco Bay hydrological system]

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 hydrological system
Context triple: [Thompson Creek (Santa Clara County), hasHydrologicalSystem, San Francisco Bay hydrological system]
  • A. Humboldt Bay estuarine ecosystem
    The Humboldt Bay estuarine ecosystem is a biologically rich coastal wetland complex on California’s North Coast, supporting diverse marine, bird, and plant communities within its tidal bays, marshes, and islands.
  • B. San Francisco Bay salt ponds
    The San Francisco Bay salt ponds are a network of colorful, human-made evaporation ponds along the Bay’s shoreline historically used for salt production and now central to major wetland restoration and conservation efforts.
  • C. San Francisco Bay hydrologic region
    The San Francisco Bay hydrologic region is a major California water-management area encompassing the watersheds and infrastructure that drain into and supply the San Francisco Bay and its surrounding communities.
  • D. 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.
  • E. San Francisco Peninsula watershed
    The San Francisco Peninsula watershed is the network of creeks, reservoirs, and drainage basins that collect and channel water across the San Francisco Peninsula into the Pacific Ocean and San Francisco Bay.
  • 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_69d8e8d13e3c81909d91d1d5ec37c095 elicitation completed
NER batch_69e60d8a07508190a2e5f8972d1efba0 ner completed
Created at: April 10, 2026, 1:32 p.m.