Triple

T4638177
Position Surface form Disambiguated ID Type / Status
Subject Berkeley Hills E101584 entity
Predicate near P350 FINISHED
Object Hayward Fault E96858 NE FINISHED

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: Hayward Fault | Statement: [Berkeley Hills, near, Hayward Fault]

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: Hayward Fault
Context triple: [Berkeley Hills, near, Hayward Fault]
  • A. Hayward Fault chosen
    The Hayward Fault is a major geologic fault in the San Francisco Bay Area known for its high seismic risk and potential to generate powerful earthquakes.
  • B. San Andreas Fault
    The San Andreas Fault is a major tectonic boundary in California where the Pacific and North American plates meet, notorious for generating powerful earthquakes.
  • C. Gloria Fault
    The Gloria Fault is a major transform fault in the North Atlantic Ocean that forms part of the boundary between the Eurasian and African tectonic plates near the Azores region.
  • D. Queen Charlotte Fault
    The Queen Charlotte Fault is a major transform fault off the Pacific Northwest coast that marks the tectonic boundary between the Pacific and North American Plates and is a significant source of earthquakes in the region.
  • E. Garlock Fault
    The Garlock Fault is a major left-lateral strike-slip fault in southern California that forms the northern boundary of the Mojave Desert and plays a key role in the region’s complex tectonic deformation.
  • 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_69bd43d3bc7c81908f81fcf380476b0f elicitation completed
NER batch_69bd5a64214481908a207e8070cc7a45 ner completed
NED1 batch_69bdfacf3cb08190a080e5ed1063902f ned_source_triple completed
Created at: March 20, 2026, 1:13 p.m.