Triple

T1561807
Position Surface form Disambiguated ID Type / Status
Subject Cape Ann E33342 entity
Predicate hasLandmark P105 FINISHED
Object Thacher Island Twin Lights
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.
E177483 NE FINISHED

How this triple was built (4 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: [Cape Ann, hasLandmark, Thacher Island Twin Lights]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Thacher Island Twin Lights
Context triple: [Cape Ann, hasLandmark, Thacher Island Twin Lights]
  • A. 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.
  • B. Robbins Reef Lighthouse
    Robbins Reef Lighthouse is a historic offshore beacon in New York Harbor that has guided ships since the 19th century and is famed for its distinctive “sparkplug” design and the story of its longtime keeper, Kate Walker.
  • C. South Manitou Island Lighthouse
    South Manitou Island Lighthouse is a historic navigational beacon on South Manitou Island in Lake Michigan, known for guiding ships through the Manitou Passage and for its preserved 19th-century architecture.
  • D. Outer Island Light
    Outer Island Light is a historic lighthouse located on Outer Island in Wisconsin’s Apostle Islands, guiding ships navigating Lake Superior.
  • E. Devils Island Light
    Devils Island Light is a historic lighthouse located on Devils Island in Wisconsin’s Apostle Islands, guiding ships through the waters of Lake Superior.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Thacher Island Twin Lights
Triple: [Cape Ann, hasLandmark, Thacher Island Twin Lights]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Thacher Island Twin Lights
Target entity description: 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.
  • A. 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.
  • B. Robbins Reef Lighthouse
    Robbins Reef Lighthouse is a historic offshore beacon in New York Harbor that has guided ships since the 19th century and is famed for its distinctive “sparkplug” design and the story of its longtime keeper, Kate Walker.
  • C. South Manitou Island Lighthouse
    South Manitou Island Lighthouse is a historic navigational beacon on South Manitou Island in Lake Michigan, known for guiding ships through the Manitou Passage and for its preserved 19th-century architecture.
  • D. Outer Island Light
    Outer Island Light is a historic lighthouse located on Outer Island in Wisconsin’s Apostle Islands, guiding ships navigating Lake Superior.
  • E. Devils Island Light
    Devils Island Light is a historic lighthouse located on Devils Island in Wisconsin’s Apostle Islands, guiding ships through the waters of Lake Superior.
  • 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_69a885ef9cf48190b0af0f5ce3d02231 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a9088710a881909a1226e4b54311b8 completed March 5, 2026, 4:37 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad37151ad48190a8c25899b488c68b completed March 8, 2026, 8:45 a.m.
NEDg Description generation batch_69ad385d931c8190a69b82853ba26a30 completed March 8, 2026, 8:50 a.m.
NED2 Entity disambiguation (via description) batch_69ad38d106348190835d753c6cffcc48 completed March 8, 2026, 8:52 a.m.
Created at: March 4, 2026, 7:27 p.m.