Triple

T22348298
Position Surface form Disambiguated ID Type / Status
Subject Matadero Creek E552454 entity
Predicate locatedIn P40 FINISHED
Object South San Francisco Bay shoreline zone — 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: South San Francisco Bay shoreline zone | Statement: [Matadero Creek, locatedIn, South San Francisco Bay shoreline zone]

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: South San Francisco Bay shoreline zone
Context triple: [Matadero Creek, locatedIn, South San Francisco Bay shoreline zone]
  • A. San Francisco Bay waterfront
    The San Francisco Bay waterfront is a scenic urban shoreline district known for its piers, promenades, maritime history, and views of the bay and surrounding landmarks.
  • B. Emeryville shoreline
    The Emeryville shoreline is a bayside area in Emeryville, California, known for its parks, trails, and waterfront views along the eastern edge of San Francisco Bay.
  • C. San Francisco Bay coastal plain
    The San Francisco Bay coastal plain is a low-lying, densely developed region of flatlands surrounding the southern and eastern shores of San Francisco Bay in California.
  • D. San Francisco Peninsula
    The San Francisco Peninsula is the stretch of land in Northern California that separates the Pacific Ocean from the San Francisco Bay and hosts cities such as San Francisco, San Mateo, and Palo Alto.
  • E. South Bay (San Francisco Bay Area) chosen
    South Bay is the southern region of the San Francisco Bay Area, encompassing cities like San Jose and known for being a major hub of Silicon Valley’s technology industry.
  • 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.