Triple

T95012
Position Surface form Disambiguated ID Type / Status
Subject Chicago Transit Authority E1910 entity
Predicate hasChairperson P10 FINISHED
Object Dorval R. Carter Jr.
Dorval R. Carter Jr. is an American public transportation executive who serves as the president and chair of the Chicago Transit Authority, overseeing one of the largest transit systems in the United States.
E61885 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: Dorval R. Carter Jr. | Statement: [Chicago Transit Authority, hasChairperson, Dorval R. Carter Jr.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Dorval R. Carter Jr.
Context triple: [Chicago Transit Authority, hasChairperson, Dorval R. Carter Jr.]
  • A. Arthur C. Walker Jr.
    Arthur C. Walker Jr. was an American physicist and solar scientist known for his pioneering work in X-ray and ultraviolet imaging of the sun and for serving on the Rogers Commission investigating the Space Shuttle Challenger disaster.
  • B. Charles Steele Jr.
    Charles Steele Jr. is an American civil rights leader and politician best known for his longtime leadership of the Southern Christian Leadership Conference, the historic organization once led by Martin Luther King Jr.
  • C. Michele Lamar Richards
    Michele Lamar Richards is an American actress best known for her supporting role in the 1992 romantic thriller film "The Bodyguard."
  • D. Darnell Donerson
    Darnell Donerson was the mother of singer and actress Jennifer Hudson, tragically known for her murder in 2008.
  • E. Benjamin A. Smith II
    Benjamin A. Smith II was a Massachusetts politician and close friend of the Kennedy family who briefly served in the U.S. Senate before being succeeded by Edward M. Kennedy.
  • 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: Dorval R. Carter Jr.
Triple: [Chicago Transit Authority, hasChairperson, Dorval R. Carter Jr.]
Generated description
Dorval R. Carter Jr. is an American public transportation executive who serves as the president and chair of the Chicago Transit Authority, overseeing one of the largest transit systems in the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Dorval R. Carter Jr.
Target entity description: Dorval R. Carter Jr. is an American public transportation executive who serves as the president and chair of the Chicago Transit Authority, overseeing one of the largest transit systems in the United States.
  • A. Arthur C. Walker Jr.
    Arthur C. Walker Jr. was an American physicist and solar scientist known for his pioneering work in X-ray and ultraviolet imaging of the sun and for serving on the Rogers Commission investigating the Space Shuttle Challenger disaster.
  • B. Charles Steele Jr.
    Charles Steele Jr. is an American civil rights leader and politician best known for his longtime leadership of the Southern Christian Leadership Conference, the historic organization once led by Martin Luther King Jr.
  • C. Michele Lamar Richards
    Michele Lamar Richards is an American actress best known for her supporting role in the 1992 romantic thriller film "The Bodyguard."
  • D. Darnell Donerson
    Darnell Donerson was the mother of singer and actress Jennifer Hudson, tragically known for her murder in 2008.
  • E. Benjamin A. Smith II
    Benjamin A. Smith II was a Massachusetts politician and close friend of the Kennedy family who briefly served in the U.S. Senate before being succeeded by Edward M. Kennedy.
  • 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_69a24d4862f881908cc8b89d3a78031d completed Feb. 28, 2026, 2:04 a.m.
NER Named-entity recognition batch_69a24fd4777c81909ea9b9a6bd4f7ad5 completed Feb. 28, 2026, 2:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69a481e765b88190a96eb2d5aa108a11 completed March 1, 2026, 6:13 p.m.
NEDg Description generation batch_69a4829d3f848190ad1bb97a5805ec91 completed March 1, 2026, 6:17 p.m.
NED2 Entity disambiguation (via description) batch_69a482eae17481908ceab45b44ee30ab completed March 1, 2026, 6:18 p.m.
Created at: Feb. 28, 2026, 2:09 a.m.