Triple

T1540385
Position Surface form Disambiguated ID Type / Status
Subject San Francisco–Oakland Bay Bridge E32851 entity
Predicate designer P184 FINISHED
Object Charles H. Purcell
Charles H. Purcell was an American civil engineer best known for his leadership in designing and overseeing major infrastructure projects in California during the early 20th century.
 E524004 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: Charles H. Purcell | Statement: [San Francisco–Oakland Bay Bridge, designer, Charles H. Purcell]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Charles H. Purcell
Context triple: [San Francisco–Oakland Bay Bridge, designer, Charles H. Purcell]
  • A. Charles R. Fenwick
    Charles R. Fenwick was a Virginia lawyer and long-serving state legislator known for his influence on transportation policy, for whom the Charles R. Fenwick Bridge is named.
  • B. Charles D. Norton
    Charles D. Norton was an American figure notable for helping establish the American Cancer Society, a leading nonprofit organization dedicated to cancer research and patient support.
  • C. Arthur S. Carpender
    Arthur S. Carpender was a United States Navy admiral and World War II destroyer commander known for his leadership in the Pacific theater.
  • D. Edwin T. Meredith
    Edwin T. Meredith was an American publisher and politician who served as U.S. Secretary of Agriculture under President Woodrow Wilson.
  • E. Horace W. Peaslee
    Horace W. Peaslee was an American architect best known for designing prominent public monuments and civic buildings in the early to mid-20th century.
  • 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: Charles H. Purcell
Triple: [San Francisco–Oakland Bay Bridge, designer, Charles H. Purcell]
Generated description
Charles H. Purcell was an American civil engineer best known for his leadership in designing and overseeing major infrastructure projects in California during the early 20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Charles H. Purcell
Target entity description: Charles H. Purcell was an American civil engineer best known for his leadership in designing and overseeing major infrastructure projects in California during the early 20th century.
  • A. Charles R. Fenwick
    Charles R. Fenwick was a Virginia lawyer and long-serving state legislator known for his influence on transportation policy, for whom the Charles R. Fenwick Bridge is named.
  • B. Charles D. Norton
    Charles D. Norton was an American figure notable for helping establish the American Cancer Society, a leading nonprofit organization dedicated to cancer research and patient support.
  • C. Arthur S. Carpender
    Arthur S. Carpender was a United States Navy admiral and World War II destroyer commander known for his leadership in the Pacific theater.
  • D. Edwin T. Meredith
    Edwin T. Meredith was an American publisher and politician who served as U.S. Secretary of Agriculture under President Woodrow Wilson.
  • E. Horace W. Peaslee
    Horace W. Peaslee was an American architect best known for designing prominent public monuments and civic buildings in the early to mid-20th century.
  • 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_69a885ed29088190a3c2d5a3d100c16e completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a9083c942481909168394b6674d82b completed March 5, 2026, 4:36 a.m.
NED1 Entity disambiguation (via context triple) batch_69bf6c17c9e0819088404cd2d81bfe88 completed March 22, 2026, 4:12 a.m.
NEDg Description generation batch_69bf6e81519c81909fae4da630af58b5 completed March 22, 2026, 4:22 a.m.
NED2 Entity disambiguation (via description) batch_69bf6edb3d78819083912d4ebe691eff completed March 22, 2026, 4:23 a.m.
Created at: March 4, 2026, 7:26 p.m.