Triple

T8369051
Position Surface form Disambiguated ID Type / Status
Subject Hanoi Hilton E197406 entity
Predicate notablePrisoner P15560 FINISHED
Object Douglas Hegdahl
Douglas Hegdahl is a former U.S. Navy sailor and Vietnam War prisoner of war known for his remarkable memory, which he used to secretly record details about fellow POWs while held at the "Hanoi Hilton" and later provide crucial testimony about their treatment.
 E741544 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: Douglas Hegdahl | Statement: [Hanoi Hilton, notablePrisoner, Douglas Hegdahl]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Douglas Hegdahl
Context triple: [Hanoi Hilton, notablePrisoner, Douglas Hegdahl]
  • A. John Myhre
    John Myhre is an Academy Award–winning American production designer and art director known for his work on major films such as "Chicago," "Memoirs of a Geisha," and "Dreamgirls."
  • B. Warren Skaaren
    Warren Skaaren was an American screenwriter and script doctor best known for his work on major 1980s films such as "Beetlejuice" and "Batman."
  • C. Kurt Johnstad
    Kurt Johnstad is an American screenwriter best known for writing the action films "300" and "Atomic Blonde."
  • D. Leif Tronstad
    Leif Tronstad was a Norwegian scientist, resistance leader, and military officer who played a key role in planning and directing Allied operations against Nazi Germany’s nuclear program during World War II.
  • E. Christopher Tellefsen
    Christopher Tellefsen is an American film editor known for his work on acclaimed movies such as "A Quiet Place," "Moneyball," and "Capote."
  • 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: Douglas Hegdahl
Triple: [Hanoi Hilton, notablePrisoner, Douglas Hegdahl]
Generated description
Douglas Hegdahl is a former U.S. Navy sailor and Vietnam War prisoner of war known for his remarkable memory, which he used to secretly record details about fellow POWs while held at the "Hanoi Hilton" and later provide crucial testimony about their treatment.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Douglas Hegdahl
Target entity description: Douglas Hegdahl is a former U.S. Navy sailor and Vietnam War prisoner of war known for his remarkable memory, which he used to secretly record details about fellow POWs while held at the "Hanoi Hilton" and later provide crucial testimony about their treatment.
  • A. John Myhre
    John Myhre is an Academy Award–winning American production designer and art director known for his work on major films such as "Chicago," "Memoirs of a Geisha," and "Dreamgirls."
  • B. Warren Skaaren
    Warren Skaaren was an American screenwriter and script doctor best known for his work on major 1980s films such as "Beetlejuice" and "Batman."
  • C. Kurt Johnstad
    Kurt Johnstad is an American screenwriter best known for writing the action films "300" and "Atomic Blonde."
  • D. Leif Tronstad
    Leif Tronstad was a Norwegian scientist, resistance leader, and military officer who played a key role in planning and directing Allied operations against Nazi Germany’s nuclear program during World War II.
  • E. Christopher Tellefsen
    Christopher Tellefsen is an American film editor known for his work on acclaimed movies such as "A Quiet Place," "Moneyball," and "Capote."
  • 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_69ca82f56730819080cec5d991c76f4c completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb808f7c0481909fef5834cb6e7a3e completed March 31, 2026, 8:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69ce6ccf66d48190a457e0ea869b278e completed April 2, 2026, 1:19 p.m.
NEDg Description generation batch_69ce6ec1e74081908fc235ffd13ef301 completed April 2, 2026, 1:27 p.m.
NED2 Entity disambiguation (via description) batch_69ce6fe13a00819095f5bec408435426 completed April 2, 2026, 1:32 p.m.
Created at: March 30, 2026, 6:01 p.m.