Triple

T4777240
Position Surface form Disambiguated ID Type / Status
Subject Thacher Island North Tower E106079 entity
Predicate partOf P40 FINISHED
Object Thacher Island Twin Lights E177483 NE FINISHED

How this triple was built (2 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: Thacher Island Twin Lights | Statement: [Thacher Island North Tower, partOf, Thacher Island Twin Lights]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Thacher Island Twin Lights
Context triple: [Thacher Island North Tower, partOf, Thacher Island Twin Lights]
  • A. Thacher Island Twin Lights chosen
    Thacher Island Twin Lights are a historic pair of lighthouses off Cape Ann in Massachusetts, notable as one of the last surviving twin light stations in the United States and a prominent aid to navigation since the 18th century.
  • B. Anacapa Island Lighthouse
    Anacapa Island Lighthouse is a historic navigational beacon on Anacapa Island off the coast of California, guiding ships through the Santa Barbara Channel.
  • C. Capul Island lighthouse
    Capul Island lighthouse is a historic Spanish-era navigational beacon in Northern Samar, Philippines, known for guiding ships through the treacherous San Bernardino Strait and offering panoramic coastal views.
  • D. Bullhead Rock
    Bullhead Rock is a distinctive rock formation along the Colorado River in Arizona that gave its name to the nearby city of Bullhead City.
  • E. Cana Island Lighthouse
    Cana Island Lighthouse is a historic 19th-century lighthouse and popular maritime landmark located off the coast of Door County, Wisconsin.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69bd43f3074c8190937e7b0a457fe9f1 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd65881e2c8190aa5b57759885b2bb completed March 20, 2026, 3:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69be43caec588190880c47f11d3f2daf completed March 21, 2026, 7:07 a.m.
Created at: March 20, 2026, 1:21 p.m.