Triple

T15223519
Position Surface form Disambiguated ID Type / Status
Subject George Preston Marshall E363818 entity
Predicate signedFirstBlackPlayerOnTeam P117590 FINISHED
Object Bobby Mitchell
Bobby Mitchell was a Hall of Fame NFL halfback and wide receiver who became a trailblazing figure in football history as a star for the Cleveland Browns and Washington franchise.
E1144489 NE FINISHED

How this triple was built (5 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: Bobby Mitchell | Statement: [George Preston Marshall, signedFirstBlackPlayerOnTeam, Bobby Mitchell]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bobby Mitchell
Context triple: [George Preston Marshall, signedFirstBlackPlayerOnTeam, Bobby Mitchell]
  • A. Elvin Hayes
    Elvin Hayes is a Hall of Fame American basketball player renowned as one of the NBA’s dominant power forwards of the 1970s, particularly for his scoring, rebounding, and key role in leading the Washington Bullets to the 1978 championship.
  • B. Wes Unseld
    Wes Unseld was a Hall of Fame NBA center renowned for his rebounding, outlet passing, and leadership with the Washington Bullets franchise.
  • C. Ty Bogues
    Ty Bogues is the son of former NBA point guard Muggsy Bogues, the shortest player in league history.
  • D. Hal Greer
    Hal Greer was a Hall of Fame shooting guard renowned for his scoring consistency and leadership, primarily with the Syracuse Nationals/Philadelphia 76ers, and is considered one of the NBA’s great early stars.
  • E. Earl Hindman
    Earl Hindman was an American actor best known for playing the mostly unseen neighbor Wilson on the television sitcom "Home Improvement."
  • 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: Bobby Mitchell
Triple: [George Preston Marshall, signedFirstBlackPlayerOnTeam, Bobby Mitchell]
Generated description
Bobby Mitchell was a Hall of Fame NFL halfback and wide receiver who became a trailblazing figure in football history as a star for the Cleveland Browns and Washington franchise.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bobby Mitchell
Target entity description: Bobby Mitchell was a Hall of Fame NFL halfback and wide receiver who became a trailblazing figure in football history as a star for the Cleveland Browns and Washington franchise.
  • A. Elvin Hayes
    Elvin Hayes is a Hall of Fame American basketball player renowned as one of the NBA’s dominant power forwards of the 1970s, particularly for his scoring, rebounding, and key role in leading the Washington Bullets to the 1978 championship.
  • B. Wes Unseld
    Wes Unseld was a Hall of Fame NBA center renowned for his rebounding, outlet passing, and leadership with the Washington Bullets franchise.
  • C. Ty Bogues
    Ty Bogues is the son of former NBA point guard Muggsy Bogues, the shortest player in league history.
  • D. Hal Greer
    Hal Greer was a Hall of Fame shooting guard renowned for his scoring consistency and leadership, primarily with the Syracuse Nationals/Philadelphia 76ers, and is considered one of the NBA’s great early stars.
  • E. Earl Hindman
    Earl Hindman was an American actor best known for playing the mostly unseen neighbor Wilson on the television sitcom "Home Improvement."
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: signedFirstBlackPlayerOnTeam
Context triple: [George Preston Marshall, signedFirstBlackPlayerOnTeam, Bobby Mitchell]
  • A. admittedFirstBlackMember
    Indicates that an entity accepted and enrolled its first Black member into its group, organization, or institution.
  • B. isFirstAfricanAmericanToHoldPosition
    Indicates that a person is the first African American individual ever to occupy or serve in a specified position or role.
  • C. hasNotableFirstBlackWinner
    Indicates that an award, position, or distinction has a historically notable first recipient who is Black.
  • D. AllBlacksDebutYear
    Indicates the year in which an individual first debuted as a player for the All Blacks rugby team.
  • E. signedWithTeam
    Indicates that an entity has entered into a formal contract or agreement to join and play for a specific team.
  • F. None of above. chosen

Provenance (7 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_69d85a0ce24c81909c4d3b6475548c95 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e0078a9318819081db3b7bcc28e04f completed April 15, 2026, 9:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69fedd35ae348190beb1b113bfc66ab3 completed May 9, 2026, 7:07 a.m.
NEDg Description generation batch_69fede7f7a788190a8d3006055b06e62 completed May 9, 2026, 7:13 a.m.
NED2 Entity disambiguation (via description) batch_69fedf13876c8190b7b08cd8e00a05ea completed May 9, 2026, 7:15 a.m.
PD Predicate disambiguation batch_69deca8479188190b2e5d3bc708d7d07 completed April 14, 2026, 11:15 p.m.
PDg Predicate description generation batch_69decf2ca6148190967c319728ec3661 completed April 14, 2026, 11:35 p.m.
Created at: April 10, 2026, 3:12 a.m.