Triple

T1101754
Position Surface form Disambiguated ID Type / Status
Subject David Herold E24394 entity
Predicate placeOfExecution P24295 FINISHED
Object Washington Arsenal Penitentiary, Washington, D.C.
Washington Arsenal Penitentiary in Washington, D.C. was a Civil War–era military prison best known as the site where several conspirators in the assassination of President Abraham Lincoln, including David Herold, were executed.
 E127156 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: Washington Arsenal Penitentiary, Washington, D.C. | Statement: [David Herold, placeOfExecution, Washington Arsenal Penitentiary, Washington, D.C.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Washington Arsenal Penitentiary, Washington, D.C.
Context triple: [David Herold, placeOfExecution, Washington Arsenal Penitentiary, Washington, D.C.]
  • A. Lincoln Prison
    Lincoln Prison is a correctional facility located in the city of Lincoln in Lincolnshire, England.
  • B. District of Columbia Department of Corrections
    The District of Columbia Department of Corrections is the local government agency responsible for operating the jail and detention facilities and overseeing the custody and rehabilitation of incarcerated individuals in Washington, D.C.
  • C. United States Penitentiary, Leavenworth
    United States Penitentiary, Leavenworth is a historic federal prison in Kansas known for housing some of the most notorious American criminals of the 20th century.
  • D. Suitland Federal Center
    Suitland Federal Center is a major U.S. federal office complex in Suitland, Maryland, that houses several government agencies and serves as a key hub for federal statistical and intelligence operations.
  • E. Atlanta U.S. Penitentiary
    Atlanta U.S. Penitentiary is a high-security federal prison in Atlanta, Georgia, known for housing notorious criminals including organized crime figures like Al Capone.
  • 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: Washington Arsenal Penitentiary, Washington, D.C.
Triple: [David Herold, placeOfExecution, Washington Arsenal Penitentiary, Washington, D.C.]
Generated description
Washington Arsenal Penitentiary in Washington, D.C. was a Civil War–era military prison best known as the site where several conspirators in the assassination of President Abraham Lincoln, including David Herold, were executed.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Washington Arsenal Penitentiary, Washington, D.C.
Target entity description: Washington Arsenal Penitentiary in Washington, D.C. was a Civil War–era military prison best known as the site where several conspirators in the assassination of President Abraham Lincoln, including David Herold, were executed.
  • A. Lincoln Prison
    Lincoln Prison is a correctional facility located in the city of Lincoln in Lincolnshire, England.
  • B. District of Columbia Department of Corrections
    The District of Columbia Department of Corrections is the local government agency responsible for operating the jail and detention facilities and overseeing the custody and rehabilitation of incarcerated individuals in Washington, D.C.
  • C. United States Penitentiary, Leavenworth
    United States Penitentiary, Leavenworth is a historic federal prison in Kansas known for housing some of the most notorious American criminals of the 20th century.
  • D. Suitland Federal Center
    Suitland Federal Center is a major U.S. federal office complex in Suitland, Maryland, that houses several government agencies and serves as a key hub for federal statistical and intelligence operations.
  • E. Atlanta U.S. Penitentiary
    Atlanta U.S. Penitentiary is a high-security federal prison in Atlanta, Georgia, known for housing notorious criminals including organized crime figures like Al Capone.
  • 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_69a4940542308190ac2a0b1f730b7cfc completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bb74b0908190be51a7141e661d3e completed March 1, 2026, 10:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac4c47dbf88190a1898d7bda32ecb2 completed March 7, 2026, 4:03 p.m.
NEDg Description generation batch_69ac4feb86c88190abaed60e0782fec6 completed March 7, 2026, 4:18 p.m.
NED2 Entity disambiguation (via description) batch_69ac509b6fe48190973bbfabdc976541 completed March 7, 2026, 4:21 p.m.
Created at: March 1, 2026, 7:43 p.m.