Triple

T4729863
Position Surface form Disambiguated ID Type / Status
Subject David Alan Stevenson E104978 entity
Predicate designed P184 FINISHED
Object Barra Head Lighthouse
Barra Head Lighthouse is a remote Scottish lighthouse situated on the southern tip of the Outer Hebrides, guiding ships through the hazardous waters around the island of Berneray.
E471097 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: Barra Head Lighthouse | Statement: [David Alan Stevenson, designed, Barra Head Lighthouse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Barra Head Lighthouse
Context triple: [David Alan Stevenson, designed, Barra Head Lighthouse]
  • A. Bressay Lighthouse
    Bressay Lighthouse is a historic coastal beacon on the island of Bressay in Shetland, Scotland, guiding ships entering Lerwick Harbour since the mid-19th century.
  • B. Admiralty Head Lighthouse
    Admiralty Head Lighthouse is a historic coastal beacon located on Whidbey Island in Washington State, known for guiding ships entering Puget Sound and for its distinctive Spanish-style architecture.
  • C. Inchcape Rock Lighthouse
    Inchcape Rock Lighthouse is a historic offshore lighthouse on the treacherous Bell Rock in the North Sea, renowned as one of the world’s oldest surviving sea-washed lighthouses and a major feat of early 19th-century engineering.
  • D. Mull of Galloway Lighthouse
    Mull of Galloway Lighthouse is a historic coastal lighthouse situated at the southernmost point of Scotland, overlooking the Irish Sea and serving as a prominent navigational landmark.
  • E. Highland Lighthouse
    Highland Lighthouse is a historic coastal beacon in Truro, Massachusetts, known as Cape Cod’s oldest lighthouse and a prominent maritime navigation landmark.
  • 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: Barra Head Lighthouse
Triple: [David Alan Stevenson, designed, Barra Head Lighthouse]
Generated description
Barra Head Lighthouse is a remote Scottish lighthouse situated on the southern tip of the Outer Hebrides, guiding ships through the hazardous waters around the island of Berneray.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Barra Head Lighthouse
Target entity description: Barra Head Lighthouse is a remote Scottish lighthouse situated on the southern tip of the Outer Hebrides, guiding ships through the hazardous waters around the island of Berneray.
  • A. Bressay Lighthouse
    Bressay Lighthouse is a historic coastal beacon on the island of Bressay in Shetland, Scotland, guiding ships entering Lerwick Harbour since the mid-19th century.
  • B. Admiralty Head Lighthouse
    Admiralty Head Lighthouse is a historic coastal beacon located on Whidbey Island in Washington State, known for guiding ships entering Puget Sound and for its distinctive Spanish-style architecture.
  • C. Inchcape Rock Lighthouse
    Inchcape Rock Lighthouse is a historic offshore lighthouse on the treacherous Bell Rock in the North Sea, renowned as one of the world’s oldest surviving sea-washed lighthouses and a major feat of early 19th-century engineering.
  • D. Mull of Galloway Lighthouse
    Mull of Galloway Lighthouse is a historic coastal lighthouse situated at the southernmost point of Scotland, overlooking the Irish Sea and serving as a prominent navigational landmark.
  • E. Highland Lighthouse
    Highland Lighthouse is a historic coastal beacon in Truro, Massachusetts, known as Cape Cod’s oldest lighthouse and a prominent maritime navigation landmark.
  • 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_69bd43ed84648190ae0b7ee8e8d00482 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd646135c881909030c21a163cc619 completed March 20, 2026, 3:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69be4d8230208190bfa833f12573f78f completed March 21, 2026, 7:49 a.m.
NEDg Description generation batch_69be4e38bccc81909102f922fd395568 completed March 21, 2026, 7:52 a.m.
NED2 Entity disambiguation (via description) batch_69be4ea8fa708190909e26268b49b678 completed March 21, 2026, 7:54 a.m.
Created at: March 20, 2026, 1:19 p.m.