Triple

T8829464
Position Surface form Disambiguated ID Type / Status
Subject Cleveland Play House E210096 entity
Predicate founder P104 FINISHED
Object Walter Lofthouse Dean
Walter Lofthouse Dean was an American theater figure best known for helping establish the Cleveland Play House, one of the nation’s oldest regional theaters.
E767132 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: Walter Lofthouse Dean | Statement: [Cleveland Play House, founder, Walter Lofthouse Dean]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Walter Lofthouse Dean
Context triple: [Cleveland Play House, founder, Walter Lofthouse Dean]
  • A. Walter Lamb
    Walter Lamb is a notable individual whose surname, Lamb, is recognized in records of prominent bearers of the name.
  • B. Gregory H. Hylton
    Gregory H. Hylton was a prominent benefactor and community supporter whose contributions to the arts led to a major performing arts center being named in his honor.
  • C. J. F. Rutherford
    J. F. Rutherford was the second president of the Watch Tower Bible and Tract Society and a key figure in shaping the doctrines and organizational structure of Jehovah’s Witnesses in the early 20th century.
  • D. George Daniel Weaver
    George Daniel Weaver, better known as Buck Weaver, was an American third baseman for the Chicago White Sox and one of the players banned from Major League Baseball for life following the 1919 Black Sox scandal.
  • E. John Blatchley
    John Blatchley was a British theatre director and educator best known as a co-founder of the influential Drama Centre London acting school.
  • 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: Walter Lofthouse Dean
Triple: [Cleveland Play House, founder, Walter Lofthouse Dean]
Generated description
Walter Lofthouse Dean was an American theater figure best known for helping establish the Cleveland Play House, one of the nation’s oldest regional theaters.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Walter Lofthouse Dean
Target entity description: Walter Lofthouse Dean was an American theater figure best known for helping establish the Cleveland Play House, one of the nation’s oldest regional theaters.
  • A. Walter Lamb
    Walter Lamb is a notable individual whose surname, Lamb, is recognized in records of prominent bearers of the name.
  • B. Gregory H. Hylton
    Gregory H. Hylton was a prominent benefactor and community supporter whose contributions to the arts led to a major performing arts center being named in his honor.
  • C. J. F. Rutherford
    J. F. Rutherford was the second president of the Watch Tower Bible and Tract Society and a key figure in shaping the doctrines and organizational structure of Jehovah’s Witnesses in the early 20th century.
  • D. George Daniel Weaver
    George Daniel Weaver, better known as Buck Weaver, was an American third baseman for the Chicago White Sox and one of the players banned from Major League Baseball for life following the 1919 Black Sox scandal.
  • E. John Blatchley
    John Blatchley was a British theatre director and educator best known as a co-founder of the influential Drama Centre London acting school.
  • 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_69cfc1bee344819084ec6e20ea01728f completed April 3, 2026, 1:33 p.m.
NEDg Description generation batch_69cfc25fdf3481909d9821f7728b0c5b completed April 3, 2026, 1:36 p.m.
NED2 Entity disambiguation (via description) batch_69cfc2e808408190b9bc44ed21fc67d9 completed April 3, 2026, 1:38 p.m.
Created at: March 30, 2026, 6:47 p.m.