Triple

T7278034
Position Surface form Disambiguated ID Type / Status
Subject Sprague–Grundy theorem E163078 entity
Predicate namedAfter P63 FINISHED
Object Roland Sprague
Roland Sprague was a German mathematician known for his foundational work in combinatorial game theory, particularly in developing what became part of the Sprague–Grundy theorem.
 E663740 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: Roland Sprague | Statement: [Sprague–Grundy theorem, namedAfter, Roland Sprague]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Roland Sprague
Context triple: [Sprague–Grundy theorem, namedAfter, Roland Sprague]
  • A. Roland Culver
    Roland Culver was a British actor known for his polished, often aristocratic screen presence in mid-20th-century film, television, and theatre.
  • B. Leo Farnsworth
    Leo Farnsworth is a wealthy industrialist whose body is inhabited by the soul of a deceased football player in the romantic fantasy comedy film "Heaven Can Wait."
  • C. Ralph Furley
    Ralph Furley is the flamboyantly dressed, bumbling landlord character from the sitcom "Three's Company," known for his exaggerated reactions and comic misunderstandings.
  • D. Roland Young
    Roland Young was a British-born character actor best known for his urbane, often bemused comic roles in Hollywood films of the 1930s and 1940s, including the "Topper" series.
  • E. Ralph Frost
    Ralph Frost is an individual notable enough to be recognized as a bearer of the surname Frost.
  • 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: Roland Sprague
Triple: [Sprague–Grundy theorem, namedAfter, Roland Sprague]
Generated description
Roland Sprague was a German mathematician known for his foundational work in combinatorial game theory, particularly in developing what became part of the Sprague–Grundy theorem.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Roland Sprague
Target entity description: Roland Sprague was a German mathematician known for his foundational work in combinatorial game theory, particularly in developing what became part of the Sprague–Grundy theorem.
  • A. Roland Culver
    Roland Culver was a British actor known for his polished, often aristocratic screen presence in mid-20th-century film, television, and theatre.
  • B. Leo Farnsworth
    Leo Farnsworth is a wealthy industrialist whose body is inhabited by the soul of a deceased football player in the romantic fantasy comedy film "Heaven Can Wait."
  • C. Ralph Furley
    Ralph Furley is the flamboyantly dressed, bumbling landlord character from the sitcom "Three's Company," known for his exaggerated reactions and comic misunderstandings.
  • D. Roland Young
    Roland Young was a British-born character actor best known for his urbane, often bemused comic roles in Hollywood films of the 1930s and 1940s, including the "Topper" series.
  • E. Ralph Frost
    Ralph Frost is an individual notable enough to be recognized as a bearer of the surname Frost.
  • 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_69c6885c5964819085b209701769877f completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6eb309a648190a2a2f2cca9ce2f56 completed March 27, 2026, 8:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69c81eb53060819081312e8b2805e9db completed March 28, 2026, 6:32 p.m.
NEDg Description generation batch_69c81fb91eb88190b6436ace69d44211 completed March 28, 2026, 6:36 p.m.
NED2 Entity disambiguation (via description) batch_69c822f547388190be0879b70542a421 completed March 28, 2026, 6:50 p.m.
Created at: March 27, 2026, 2:59 p.m.