Triple

T8829461
Position Surface form Disambiguated ID Type / Status
Subject Cleveland Play House E210096 entity
Predicate founder P104 FINISHED
Object Frederick McGowan
Frederick McGowan was a key early 20th-century American theater figure best known for co-founding the Cleveland Play House, one of the nation’s first professional regional theaters.
E761804 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: Frederick McGowan | Statement: [Cleveland Play House, founder, Frederick McGowan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Frederick McGowan
Context triple: [Cleveland Play House, founder, Frederick McGowan]
  • A. Charles Remond Douglass
    Charles Remond Douglass was an African American civil rights activist, soldier, and government clerk, and the youngest son of abolitionist Frederick Douglass.
  • B. Horace Cayton
    Horace Cayton was an influential African American sociologist, journalist, and author whose work documented Black urban life and helped shape the intellectual landscape of the Chicago Black Renaissance.
  • C. Moses Grandy
    Moses Grandy was a formerly enslaved African American who became known for his powerful 19th-century narrative detailing his experiences in slavery and his eventual purchase of his own freedom.
  • D. Henry Chandlee Turner
    Henry Chandlee Turner was an American builder and entrepreneur best known as the founder of the major construction firm Turner Construction Company.
  • E. Martin Delany
    Martin Delany was a 19th-century African American abolitionist, writer, physician, and early Black nationalist leader who co-founded the antislavery newspaper The North Star with Frederick Douglass.
  • 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: Frederick McGowan
Triple: [Cleveland Play House, founder, Frederick McGowan]
Generated description
Frederick McGowan was a key early 20th-century American theater figure best known for co-founding the Cleveland Play House, one of the nation’s first professional regional theaters.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Frederick McGowan
Target entity description: Frederick McGowan was a key early 20th-century American theater figure best known for co-founding the Cleveland Play House, one of the nation’s first professional regional theaters.
  • A. Charles Remond Douglass
    Charles Remond Douglass was an African American civil rights activist, soldier, and government clerk, and the youngest son of abolitionist Frederick Douglass.
  • B. Horace Cayton
    Horace Cayton was an influential African American sociologist, journalist, and author whose work documented Black urban life and helped shape the intellectual landscape of the Chicago Black Renaissance.
  • C. Moses Grandy
    Moses Grandy was a formerly enslaved African American who became known for his powerful 19th-century narrative detailing his experiences in slavery and his eventual purchase of his own freedom.
  • D. Henry Chandlee Turner
    Henry Chandlee Turner was an American builder and entrepreneur best known as the founder of the major construction firm Turner Construction Company.
  • E. Martin Delany
    Martin Delany was a 19th-century African American abolitionist, writer, physician, and early Black nationalist leader who co-founded the antislavery newspaper The North Star with Frederick Douglass.
  • 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_69ca8365b28081909e48e45e95dfc405 completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc604c52a48190807e46c15e3c1558 completed April 1, 2026, 12:01 a.m.
NED1 Entity disambiguation (via context triple) batch_69cf896382708190a08c6bacf1157066 completed April 3, 2026, 9:33 a.m.
NEDg Description generation batch_69cf8ab6c1a8819097b8a84902a10296 completed April 3, 2026, 9:39 a.m.
NED2 Entity disambiguation (via description) batch_69cf8bc521dc81908918b48a25f290bb completed April 3, 2026, 9:43 a.m.
Created at: March 30, 2026, 6:47 p.m.