Triple

T10075215
Position Surface form Disambiguated ID Type / Status
Subject Point Wilson Lighthouse E213732 entity
Predicate operatorHistory P28596 FINISHED
Object United States Lighthouse Service E12619 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: United States Lighthouse Service | Statement: [Point Wilson Lighthouse, operatorHistory, United States Lighthouse Service]

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: United States Lighthouse Service
Context triple: [Point Wilson Lighthouse, operatorHistory, United States Lighthouse Service]
  • A. United States Lighthouse Service chosen
    The United States Lighthouse Service was a former U.S. federal agency responsible for the construction, maintenance, and operation of lighthouses and other navigational aids before its functions were absorbed into the Coast Guard.
  • B. United States Lighthouse Board
    The United States Lighthouse Board was a 19th-century federal agency that modernized and oversaw the construction, maintenance, and operation of lighthouses and other navigational aids along U.S. coasts and waterways.
  • C. United States Life-Saving Service
    The United States Life-Saving Service was a federal agency that operated coastal rescue stations and crews dedicated to saving lives and ships in distress along U.S. shorelines in the 19th and early 20th centuries.
  • D. United States Hydrographic Office
    The United States Hydrographic Office was a U.S. Navy agency responsible for producing nautical charts, sailing directions, and other navigational publications to support safe maritime navigation.
  • E. Bureau of Navigation
    The Bureau of Navigation was a former United States Navy administrative office responsible for personnel management and related naval affairs before being succeeded by the Bureau of Naval Personnel.
  • 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_69ca839add308190b57d53b4ec21f2d0 elicitation completed
NER batch_69cdd017b8288190a577bd66e4ba66b7 ner completed
NED1 batch_69d29abcb72c81908c265f057532ccb7 ned_source_triple completed
Created at: March 30, 2026, 8:59 p.m.