Triple

T4847199
Position Surface form Disambiguated ID Type / Status
Subject Nathan Leopold E108318 entity
Predicate incarceratedAt P6022 FINISHED
Object Stateville Correctional Center
Stateville Correctional Center is a maximum-security state prison in Illinois known for housing notorious inmates and its distinctive roundhouse cell design.
 E474396 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: Stateville Correctional Center | Statement: [Nathan Leopold, incarceratedAt, Stateville Correctional Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Stateville Correctional Center
Context triple: [Nathan Leopold, incarceratedAt, Stateville Correctional Center]
  • A. Oswald State Correctional Facility
    Oswald State Correctional Facility is the fictional maximum-security prison that serves as the primary setting for the HBO television series "Oz."
  • B. Clinton Correctional Facility
    Clinton Correctional Facility is a maximum-security state prison in Dannemora, New York, known for housing high-profile inmates and its long-standing role in the New York prison system.
  • C. Oklahoma State Penitentiary
    Oklahoma State Penitentiary is a maximum-security state prison in Oklahoma that houses some of the state’s most serious offenders and includes Oklahoma’s death row and execution chamber.
  • D. Holman Correctional Facility
    Holman Correctional Facility is a maximum-security state prison in Alabama known for housing the state's death row and execution chamber.
  • E. Mill Creek Correctional Facility
    Mill Creek Correctional Facility is a minimum-security state prison in Salem, Oregon, that houses adult male inmates and focuses on work and rehabilitation programs.
  • 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: Stateville Correctional Center
Triple: [Nathan Leopold, incarceratedAt, Stateville Correctional Center]
Generated description
Stateville Correctional Center is a maximum-security state prison in Illinois known for housing notorious inmates and its distinctive roundhouse cell design.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Stateville Correctional Center
Target entity description: Stateville Correctional Center is a maximum-security state prison in Illinois known for housing notorious inmates and its distinctive roundhouse cell design.
  • A. Oswald State Correctional Facility
    Oswald State Correctional Facility is the fictional maximum-security prison that serves as the primary setting for the HBO television series "Oz."
  • B. Clinton Correctional Facility
    Clinton Correctional Facility is a maximum-security state prison in Dannemora, New York, known for housing high-profile inmates and its long-standing role in the New York prison system.
  • C. Oklahoma State Penitentiary
    Oklahoma State Penitentiary is a maximum-security state prison in Oklahoma that houses some of the state’s most serious offenders and includes Oklahoma’s death row and execution chamber.
  • D. Holman Correctional Facility
    Holman Correctional Facility is a maximum-security state prison in Alabama known for housing the state's death row and execution chamber.
  • E. Mill Creek Correctional Facility
    Mill Creek Correctional Facility is a minimum-security state prison in Salem, Oregon, that houses adult male inmates and focuses on work and rehabilitation programs.
  • 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_69bd4409b264819085ab855f3eb5381a completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6d1aefdc8190910b78615730f991 completed March 20, 2026, 3:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69be5cd6dbcc8190b802eeb6d74fd37d completed March 21, 2026, 8:54 a.m.
NEDg Description generation batch_69be5f154094819095e09e6a5627f7dc completed March 21, 2026, 9:04 a.m.
NED2 Entity disambiguation (via description) batch_69be5f78eb7881908707f54b899e8dda completed March 21, 2026, 9:06 a.m.
Created at: March 20, 2026, 1:25 p.m.