Triple

T8460351
Position Surface form Disambiguated ID Type / Status
Subject Alexander Berkman E200023 entity
Predicate placeOfDetention P6464 FINISHED
Object Western Penitentiary of Pennsylvania
Western Penitentiary of Pennsylvania was a historic state prison in Pittsburgh known for housing notable political prisoners and anarchists, including Alexander Berkman.
 E735355 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: Western Penitentiary of Pennsylvania | Statement: [Alexander Berkman, placeOfDetention, Western Penitentiary of Pennsylvania]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Western Penitentiary of Pennsylvania
Context triple: [Alexander Berkman, placeOfDetention, Western Penitentiary of Pennsylvania]
  • A. Bucks County Prison
    Bucks County Prison was a historic correctional facility in Doylestown, Pennsylvania, whose former site now houses the James A. Michener Art Museum.
  • B. Holmesburg Prison
    Holmesburg Prison was a notorious Philadelphia correctional facility known for its harsh conditions, high-profile inmates, and later-revealed unethical medical experiments on prisoners.
  • C. Eastern State Penitentiary
    Eastern State Penitentiary is a historic former prison in Philadelphia, Pennsylvania, renowned for its revolutionary radial design and as one of the most famous and expensive prisons of the 19th century.
  • D. Holmesburg
    Holmesburg is a historic residential neighborhood in the Northeast section of Philadelphia, known for its rowhomes, proximity to the Pennypack Creek, and long-established community character.
  • E. Chester County Prison
    Chester County Prison is a historic former correctional facility in West Chester, Pennsylvania, notable for its 19th-century architecture and role in the county’s penal history.
  • 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: Western Penitentiary of Pennsylvania
Triple: [Alexander Berkman, placeOfDetention, Western Penitentiary of Pennsylvania]
Generated description
Western Penitentiary of Pennsylvania was a historic state prison in Pittsburgh known for housing notable political prisoners and anarchists, including Alexander Berkman.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Western Penitentiary of Pennsylvania
Target entity description: Western Penitentiary of Pennsylvania was a historic state prison in Pittsburgh known for housing notable political prisoners and anarchists, including Alexander Berkman.
  • A. Bucks County Prison
    Bucks County Prison was a historic correctional facility in Doylestown, Pennsylvania, whose former site now houses the James A. Michener Art Museum.
  • B. Holmesburg Prison
    Holmesburg Prison was a notorious Philadelphia correctional facility known for its harsh conditions, high-profile inmates, and later-revealed unethical medical experiments on prisoners.
  • C. Eastern State Penitentiary
    Eastern State Penitentiary is a historic former prison in Philadelphia, Pennsylvania, renowned for its revolutionary radial design and as one of the most famous and expensive prisons of the 19th century.
  • D. Holmesburg
    Holmesburg is a historic residential neighborhood in the Northeast section of Philadelphia, known for its rowhomes, proximity to the Pennypack Creek, and long-established community character.
  • E. Chester County Prison
    Chester County Prison is a historic former correctional facility in West Chester, Pennsylvania, notable for its 19th-century architecture and role in the county’s penal history.
  • 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_69ca83198c4c8190a337bf717d1813f5 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbe49fca788190a8728ff74f4d26f5 completed March 31, 2026, 3:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce1df214ac8190b59daa88e3a930bc completed April 2, 2026, 7:42 a.m.
NEDg Description generation batch_69ce21c53298819080137c87ff487b50 completed April 2, 2026, 7:59 a.m.
NED2 Entity disambiguation (via description) batch_69ce23d6da1c8190a28bc895d737595e completed April 2, 2026, 8:07 a.m.
Created at: March 30, 2026, 6:10 p.m.