Triple

T1491881
Position Surface form Disambiguated ID Type / Status
Subject Old Mackinac Point Lighthouse E29596 entity
Predicate operatorHistory P28596 FINISHED
Object United States Lighthouse Service E12619 NE FINISHED

How this triple was built (3 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: [Old Mackinac Point Lighthouse, operatorHistory, United States Lighthouse Service]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: United States Lighthouse Service
Context triple: [Old Mackinac Point 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. United States Revenue Cutter Service
    The United States Revenue Cutter Service was a maritime law enforcement and rescue service of the U.S. Treasury Department that operated from 1790 until it became a founding component of the modern United States Coast Guard.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: operatorHistory
Context triple: [Old Mackinac Point Lighthouse, operatorHistory, United States Lighthouse Service]
  • A. ownershipHistory
    Indicates the sequence of past and present owners associated with an entity over time.
  • B. upgradeHistory
    Indicates the record of changes where one version, state, or configuration has been replaced or improved by another over time.
  • C. viewedHistoryAs
    Indicates that one entity has examined or interpreted another entity as a historical record or in the context of its past events.
  • D. subsequentHistory
    Indicates that one event, state, or record occurs or is recorded after another in time, reflecting its later historical development or outcome.
  • E. historicalExport
    Indicates that an entity was exported from one place to another during a past or historically significant period.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a498da82e08190ba833330d05f380f completed March 1, 2026, 7:51 p.m.
NER Named-entity recognition batch_69a4c6c3ace4819081bc2b86ee2486b6 completed March 1, 2026, 11:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad1ca98e64819097916eb7717e6364 completed March 8, 2026, 6:52 a.m.
PD Predicate disambiguation batch_69a4c48902808190a8028d359bcf123e completed March 1, 2026, 10:58 p.m.
PDg Predicate description generation batch_69a4c52c703c8190a56389b09d97659f completed March 1, 2026, 11:01 p.m.
Created at: March 1, 2026, 8:12 p.m.