Triple

T9132016
Position Surface form Disambiguated ID Type / Status
Subject Ma Rainey E219108 entity
Predicate birthName P65 FINISHED
Object Gertrude Pridgett
Gertrude Pridgett, better known as Ma Rainey, was a pioneering early 20th-century American blues singer often hailed as the "Mother of the Blues."
 E877084 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: Gertrude Pridgett | Statement: [Ma Rainey, birthName, Gertrude Pridgett]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Gertrude Pridgett
Context triple: [Ma Rainey, birthName, Gertrude Pridgett]
  • A. Gertrude Warren
    Gertrude Warren was the wife of American actor and musician Preston Foster.
  • B. Gertrude Mallon
    Gertrude Mallon was the wife of prominent Northern Irish nationalist politician and former Deputy First Minister Seamus Mallon.
  • C. Gertrude Elles
    Gertrude Elles was a pioneering British geologist and paleontologist known for her influential work on graptolites and contributions to stratigraphy.
  • D. Beulah Edmondson
    Beulah Edmondson was the wife of influential Tammany Hall political boss Richard Croker.
  • E. Maud Humphrey
    Maud Humphrey was an American illustrator and commercial artist of the late 19th and early 20th centuries, known for her popular depictions of children and as the mother of actor Humphrey Bogart.
  • 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: Gertrude Pridgett
Triple: [Ma Rainey, birthName, Gertrude Pridgett]
Generated description
Gertrude Pridgett, better known as Ma Rainey, was a pioneering early 20th-century American blues singer often hailed as the "Mother of the Blues."
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Gertrude Pridgett
Target entity description: Gertrude Pridgett, better known as Ma Rainey, was a pioneering early 20th-century American blues singer often hailed as the "Mother of the Blues."
  • A. Gertrude Warren
    Gertrude Warren was the wife of American actor and musician Preston Foster.
  • B. Gertrude Mallon
    Gertrude Mallon was the wife of prominent Northern Irish nationalist politician and former Deputy First Minister Seamus Mallon.
  • C. Gertrude Elles
    Gertrude Elles was a pioneering British geologist and paleontologist known for her influential work on graptolites and contributions to stratigraphy.
  • D. Beulah Edmondson
    Beulah Edmondson was the wife of influential Tammany Hall political boss Richard Croker.
  • E. Maud Humphrey
    Maud Humphrey was an American illustrator and commercial artist of the late 19th and early 20th centuries, known for her popular depictions of children and as the mother of actor Humphrey Bogart.
  • 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_69ca83debfc0819095800583e97ab10f completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cca8db7d808190bd22b0e5a6f9c285 completed April 1, 2026, 5:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69d979c21f5481908bea7fd2c70d2c0b completed April 10, 2026, 10:29 p.m.
NEDg Description generation batch_69d97c7bc87481908d50eb6f294170eb completed April 10, 2026, 10:40 p.m.
NED2 Entity disambiguation (via description) batch_69d97e015b088190a97822675eecaa5a completed April 10, 2026, 10:47 p.m.
Created at: March 30, 2026, 7:18 p.m.