Triple

T210179
Position Surface form Disambiguated ID Type / Status
Subject Assassination of John F. Kennedy E4697 entity
Predicate mediaDocument P4310 FINISHED
Object Zapruder film
The Zapruder film is a famous amateur 8mm home movie that captured the assassination of U.S. President John F. Kennedy in Dallas on November 22, 1963.
E4697 NE FINISHED

How this triple was built (5 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: Zapruder film | Statement: [Assassination of John F. Kennedy, mediaDocument, Zapruder film]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Zapruder film
Context triple: [Assassination of John F. Kennedy, mediaDocument, Zapruder film]
  • A. Raising the Flag on Iwo Jima
    Raising the Flag on Iwo Jima is an iconic World War II photograph by Joe Rosenthal depicting U.S. Marines hoisting the American flag atop Mount Suribachi, symbolizing American victory and sacrifice in the Pacific theater.
  • B. Air Force One
    Air Force One is the official air traffic control call sign and commonly used name for any U.S. Air Force aircraft carrying the President of the United States, most famously a highly customized Boeing jet equipped for secure command, communication, and long-range travel.
  • C. My Lai massacre
    The My Lai massacre was a notorious 1968 atrocity during the Vietnam War in which U.S. soldiers killed hundreds of unarmed Vietnamese civilians, becoming a symbol of the conflict’s brutality and sparking widespread outrage.
  • D. Assassination of John F. Kennedy
    The Assassination of John F. Kennedy was the 1963 killing of the 35th U.S. president in Dallas, Texas, an event that shocked the world and has since been the subject of extensive investigation and controversy.
  • E. Grassy Knoll
    The Grassy Knoll is a small, sloping, tree-lined area in Dallas, Texas, best known as a focal point of conspiracy theories surrounding the assassination of President John F. Kennedy.
  • 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: Zapruder film
Triple: [Assassination of John F. Kennedy, mediaDocument, Zapruder film]
Generated description
The Zapruder film is a famous amateur 8mm home movie that captured the assassination of U.S. President John F. Kennedy in Dallas on November 22, 1963.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Zapruder film
Target entity description: The Zapruder film is a famous amateur 8mm home movie that captured the assassination of U.S. President John F. Kennedy in Dallas on November 22, 1963.
  • A. Raising the Flag on Iwo Jima
    Raising the Flag on Iwo Jima is an iconic World War II photograph by Joe Rosenthal depicting U.S. Marines hoisting the American flag atop Mount Suribachi, symbolizing American victory and sacrifice in the Pacific theater.
  • B. Air Force One
    Air Force One is the official air traffic control call sign and commonly used name for any U.S. Air Force aircraft carrying the President of the United States, most famously a highly customized Boeing jet equipped for secure command, communication, and long-range travel.
  • C. My Lai massacre
    The My Lai massacre was a notorious 1968 atrocity during the Vietnam War in which U.S. soldiers killed hundreds of unarmed Vietnamese civilians, becoming a symbol of the conflict’s brutality and sparking widespread outrage.
  • D. Assassination of John F. Kennedy chosen
    The Assassination of John F. Kennedy was the 1963 killing of the 35th U.S. president in Dallas, Texas, an event that shocked the world and has since been the subject of extensive investigation and controversy.
  • E. Grassy Knoll
    The Grassy Knoll is a small, sloping, tree-lined area in Dallas, Texas, best known as a focal point of conspiracy theories surrounding the assassination of President John F. Kennedy.
  • F. None of above.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: mediaDocument
Context triple: [Assassination of John F. Kennedy, mediaDocument, Zapruder film]
  • A. mediaType
    Indicates the format or category of media associated with an entity, such as text, image, audio, or video.
  • B. mediaOrigin
    Indicates the original source or provenance from which a piece of media (such as an image, video, or audio) was derived or obtained.
  • C. fareMedia
    Indicates that a particular type of ticket, pass, or payment instrument is used as the medium for paying a fare.
  • D. mediaAspect
    Indicates the specific aspect ratio or dimensional proportion of a media item in relation to its width and height.
  • E. documentedBy chosen
    Indicates that something is recorded, described, or evidenced in a specific document or set of documents.
  • F. None of above.

Provenance (6 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_69a2575cb1dc8190a01ad332426dc339 completed Feb. 28, 2026, 2:47 a.m.
NER Named-entity recognition batch_69a25d35aa288190966b6e15af1525cb completed Feb. 28, 2026, 3:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69a332c9e99081909026bf5bfeb6c86c completed Feb. 28, 2026, 6:24 p.m.
NEDg Description generation batch_69a33326c71c81908c02320901915ce3 completed Feb. 28, 2026, 6:25 p.m.
NED2 Entity disambiguation (via description) batch_69a3338948808190b6fd60524c721fd5 completed Feb. 28, 2026, 6:27 p.m.
PD Predicate disambiguation batch_69a25b4f71b88190866c8262922ae204 completed Feb. 28, 2026, 3:04 a.m.
Created at: Feb. 28, 2026, 2:52 a.m.