Triple

T4927919
Position Surface form Disambiguated ID Type / Status
Subject Jackson Square Historic District E110621 entity
Predicate heritageDesignation P623 FINISHED
Object San Francisco Designated Landmark E92405 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: San Francisco Designated Landmark | Statement: [Jackson Square Historic District, heritageDesignation, San Francisco Designated Landmark]

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 Designated Landmark
Context triple: [Jackson Square Historic District, heritageDesignation, San Francisco Designated Landmark]
  • A. San Francisco Designated Landmark chosen
    San Francisco Designated Landmarks are officially recognized historic sites in San Francisco that are protected for their architectural, cultural, or historical significance.
  • B. National Register of Historic Places in San Francisco
    The National Register of Historic Places in San Francisco is the official federal list recognizing buildings, sites, districts, and structures in San Francisco that are deemed worthy of preservation for their historical, architectural, or cultural significance.
  • C. California Historical Landmark
    A California Historical Landmark is an officially recognized site, building, or place in California that has been designated by the state for its significant historical importance.
  • D. San Francisco Historic Preservation Commission
    The San Francisco Historic Preservation Commission is a city body that oversees and protects San Francisco’s historic and cultural resources through landmark designation and preservation review.
  • E. Berkeley Landmark
    Berkeley Landmark is a local historic designation in Berkeley, California, recognizing buildings, structures, and sites of significant architectural, cultural, or historical importance.
  • 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_69bd4415190c8190817bee7ec9f9f944 elicitation completed
NER batch_69bd7036d8e88190bc4be2975160da23 ner completed
NED1 batch_69be77ac88148190a51fa2e9085d6897 ned_source_triple completed
Created at: March 20, 2026, 1:30 p.m.