Triple

T1109592
Position Surface form Disambiguated ID Type / Status
Subject Mary Jo Kopechne E25562 entity
Predicate hasFather P1908 FINISHED
Object Joseph Kopechne
Joseph Kopechne was the father of Mary Jo Kopechne, the young political campaign worker who died in the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
 E220705 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: Joseph Kopechne | Statement: [Mary Jo Kopechne, hasFather, Joseph Kopechne]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Joseph Kopechne
Context triple: [Mary Jo Kopechne, hasFather, Joseph Kopechne]
  • A. Victor Kubicek
    Victor Kubicek is a film producer best known for co-producing the science fiction action movie "Terminator Salvation."
  • B. Walter Krupinski
    Walter Krupinski was a German Luftwaffe fighter ace of World War II, credited with numerous aerial victories on the Eastern Front and later a senior officer in the postwar West German Air Force.
  • C. Patrick Haffner
    Patrick Haffner is a computer scientist known for his contributions to early convolutional neural network research, including work on the LeNet architecture.
  • D. Dietrich Hrabak
    Dietrich Hrabak was a German Luftwaffe fighter ace and high-ranking officer during World War II, known for his leadership roles on the Eastern Front.
  • E. Daniel Dubiecki
    Daniel Dubiecki is an American film producer known for his work on acclaimed movies such as "Up in the Air" and other high-profile Hollywood projects.
  • 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: Joseph Kopechne
Triple: [Mary Jo Kopechne, hasFather, Joseph Kopechne]
Generated description
Joseph Kopechne was the father of Mary Jo Kopechne, the young political campaign worker who died in the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Joseph Kopechne
Target entity description: Joseph Kopechne was the father of Mary Jo Kopechne, the young political campaign worker who died in the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
  • A. Victor Kubicek
    Victor Kubicek is a film producer best known for co-producing the science fiction action movie "Terminator Salvation."
  • B. Walter Krupinski
    Walter Krupinski was a German Luftwaffe fighter ace of World War II, credited with numerous aerial victories on the Eastern Front and later a senior officer in the postwar West German Air Force.
  • C. Patrick Haffner
    Patrick Haffner is a computer scientist known for his contributions to early convolutional neural network research, including work on the LeNet architecture.
  • D. Dietrich Hrabak
    Dietrich Hrabak was a German Luftwaffe fighter ace and high-ranking officer during World War II, known for his leadership roles on the Eastern Front.
  • E. Daniel Dubiecki
    Daniel Dubiecki is an American film producer known for his work on acclaimed movies such as "Up in the Air" and other high-profile Hollywood projects.
  • 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_69a49428d4448190b3b36991ceae87ce completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4ba045fd88190982e1c6278fb9ca3 completed March 1, 2026, 10:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69adfb7eeda88190bdedb28497fbd81e completed March 8, 2026, 10:43 p.m.
NEDg Description generation batch_69adfc09ee3081909d0ab8577ca65b6d completed March 8, 2026, 10:45 p.m.
NED2 Entity disambiguation (via description) batch_69adfd3ecb7881909a6692bb58211c2e completed March 8, 2026, 10:50 p.m.
Created at: March 1, 2026, 7:43 p.m.