Triple

T9161886
Position Surface form Disambiguated ID Type / Status
Subject Laysan Island E219842 entity
Predicate hasEndemicSpecies P954 FINISHED
Object Laysan rail (extinct)
The Laysan rail was a small, flightless bird once native to Hawaii’s Laysan Island, driven to extinction in the early 20th century by habitat destruction and introduced predators.
E781401 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: Laysan rail (extinct) | Statement: [Laysan Island, hasEndemicSpecies, Laysan rail (extinct)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Laysan rail (extinct)
Context triple: [Laysan Island, hasEndemicSpecies, Laysan rail (extinct)]
  • A. Inaccessible Island rail
    The Inaccessible Island rail is the world’s smallest living flightless bird, found only on the remote Inaccessible Island in the South Atlantic.
  • B. Lord Howe Island woodhen
    The Lord Howe Island woodhen is a small, flightless rail native to Australia’s Lord Howe Island, known as a conservation success story after being brought back from the brink of extinction.
  • C. Aldabra rail
    The Aldabra rail is a small, flightless bird endemic to the Aldabra Atoll in the Indian Ocean and is notable as the last surviving flightless bird species in the western Indian Ocean.
  • D. Ridgway's rail
    Ridgway's rail is a secretive, marsh-dwelling bird of the western United States, known for its dependence on coastal salt marshes and its status as a threatened species.
  • E. Hawaiian goose
    The Hawaiian goose, or nēnē, is a rare, medium-sized goose endemic to Hawaii and recognized as the state bird, known for its distinctive barred neck and adaptation to volcanic landscapes.
  • 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: Laysan rail (extinct)
Triple: [Laysan Island, hasEndemicSpecies, Laysan rail (extinct)]
Generated description
The Laysan rail was a small, flightless bird once native to Hawaii’s Laysan Island, driven to extinction in the early 20th century by habitat destruction and introduced predators.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Laysan rail (extinct)
Target entity description: The Laysan rail was a small, flightless bird once native to Hawaii’s Laysan Island, driven to extinction in the early 20th century by habitat destruction and introduced predators.
  • A. Inaccessible Island rail
    The Inaccessible Island rail is the world’s smallest living flightless bird, found only on the remote Inaccessible Island in the South Atlantic.
  • B. Lord Howe Island woodhen
    The Lord Howe Island woodhen is a small, flightless rail native to Australia’s Lord Howe Island, known as a conservation success story after being brought back from the brink of extinction.
  • C. Aldabra rail
    The Aldabra rail is a small, flightless bird endemic to the Aldabra Atoll in the Indian Ocean and is notable as the last surviving flightless bird species in the western Indian Ocean.
  • D. Ridgway's rail
    Ridgway's rail is a secretive, marsh-dwelling bird of the western United States, known for its dependence on coastal salt marshes and its status as a threatened species.
  • E. Hawaiian goose
    The Hawaiian goose, or nēnē, is a rare, medium-sized goose endemic to Hawaii and recognized as the state bird, known for its distinctive barred neck and adaptation to volcanic landscapes.
  • 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_69ca83e3633c81908688a9fa2306ba99 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69ccaa2c1a9881909b7100b6e436386d completed April 1, 2026, 5:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69d054770a0c819095cf0a7cc8d1a057 completed April 3, 2026, 11:59 p.m.
NEDg Description generation batch_69d0551895e48190bf1a4754bb5ab94c completed April 4, 2026, 12:02 a.m.
NED2 Entity disambiguation (via description) batch_69d055b23f8c8190973832f60402c703 completed April 4, 2026, 12:05 a.m.
Created at: March 30, 2026, 7:21 p.m.