Triple

T840604
Position Surface form Disambiguated ID Type / Status
Subject Interborough Rapid Transit Company E18167 entity
Predicate foundedBy P104 FINISHED
Object John B. McDonald
John B. McDonald was an American civil engineer best known for overseeing the construction of New York City's first subway system.
 E224248 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: John B. McDonald | Statement: [Interborough Rapid Transit Company, foundedBy, John B. McDonald]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: John B. McDonald
Context triple: [Interborough Rapid Transit Company, foundedBy, John B. McDonald]
  • A. John H. Ferguson
    John H. Ferguson was the Louisiana judge whose ruling upholding racial segregation in the Plessy v. Ferguson case led to the U.S. Supreme Court’s landmark “separate but equal” decision.
  • B. Henry F. Keyes
    Henry F. Keyes was an American architect known for designing the historic Boston Fish Pier in Boston, Massachusetts.
  • C. Carl J. Kilpatrick
    Carl J. Kilpatrick is an individual notable enough to be specifically cited as a bearer of the surname Kilpatrick, though detailed public information about his life or achievements is limited.
  • D. William Eldred Jackson
    William Eldred Jackson was the son of U.S. Supreme Court Justice and Nuremberg prosecutor Robert H. Jackson.
  • E. John Davis
    John Davis was a 16th-century English navigator and explorer best known for his Arctic voyages in search of the Northwest Passage.
  • 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: John B. McDonald
Triple: [Interborough Rapid Transit Company, foundedBy, John B. McDonald]
Generated description
John B. McDonald was an American civil engineer best known for overseeing the construction of New York City's first subway system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: John B. McDonald
Target entity description: John B. McDonald was an American civil engineer best known for overseeing the construction of New York City's first subway system.
  • A. John H. Ferguson
    John H. Ferguson was the Louisiana judge whose ruling upholding racial segregation in the Plessy v. Ferguson case led to the U.S. Supreme Court’s landmark “separate but equal” decision.
  • B. Henry F. Keyes
    Henry F. Keyes was an American architect known for designing the historic Boston Fish Pier in Boston, Massachusetts.
  • C. Carl J. Kilpatrick
    Carl J. Kilpatrick is an individual notable enough to be specifically cited as a bearer of the surname Kilpatrick, though detailed public information about his life or achievements is limited.
  • D. William Eldred Jackson
    William Eldred Jackson was the son of U.S. Supreme Court Justice and Nuremberg prosecutor Robert H. Jackson.
  • E. John Davis
    John Davis was a 16th-century English navigator and explorer best known for his Arctic voyages in search of the Northwest Passage.
  • 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_69a49389f44881909a608fb27d89f247 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4abe5d7848190b15e0cb343b6f4ba completed March 1, 2026, 9:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69ae0a910d808190b20150e864ae9bc2 completed March 8, 2026, 11:47 p.m.
NEDg Description generation batch_69ae0b15a1dc81908dfa980e86585673 completed March 8, 2026, 11:49 p.m.
NED2 Entity disambiguation (via description) batch_69ae0b9e7c64819093461c74b98e48ca completed March 8, 2026, 11:51 p.m.
Created at: March 1, 2026, 7:38 p.m.