Triple

T2948608
Position Surface form Disambiguated ID Type / Status
Subject Owens River E79562 entity
Predicate historicalPeopleAssociated P26467 FINISHED
Object William Mulholland
William Mulholland was an influential early 20th-century civil engineer who masterminded Los Angeles’s water infrastructure, most famously the Los Angeles Aqueduct, which transformed the city’s growth and sparked major water-rights controversies.
E313160 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: William Mulholland | Statement: [Owens River, historicalPeopleAssociated, William Mulholland]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: William Mulholland
Context triple: [Owens River, historicalPeopleAssociated, William Mulholland]
  • A. James J. Storrow
    James J. Storrow was a prominent early 20th-century Boston businessman and civic leader known for his influential role in the city’s public works and urban development.
  • B. Philip H. Lathrop
    Philip H. Lathrop was an American cinematographer known for his work on numerous notable films and television productions in the mid-20th century.
  • C. John Frank Stevens
    John Frank Stevens was an American civil engineer best known for his pivotal role in organizing and directing early construction and infrastructure work on the Panama Canal.
  • D. Robert Moses
    Robert Moses was a powerful and controversial New York urban planner whose extensive highway, bridge, and park projects reshaped the city and its surrounding region in the mid-20th century.
  • E. George Washington Goethals
    George Washington Goethals was a U.S. Army engineer and administrator best known for overseeing the construction and early operation of the Panama Canal.
  • 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: William Mulholland
Triple: [Owens River, historicalPeopleAssociated, William Mulholland]
Generated description
William Mulholland was an influential early 20th-century civil engineer who masterminded Los Angeles’s water infrastructure, most famously the Los Angeles Aqueduct, which transformed the city’s growth and sparked major water-rights controversies.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: William Mulholland
Target entity description: William Mulholland was an influential early 20th-century civil engineer who masterminded Los Angeles’s water infrastructure, most famously the Los Angeles Aqueduct, which transformed the city’s growth and sparked major water-rights controversies.
  • A. James J. Storrow
    James J. Storrow was a prominent early 20th-century Boston businessman and civic leader known for his influential role in the city’s public works and urban development.
  • B. Philip H. Lathrop
    Philip H. Lathrop was an American cinematographer known for his work on numerous notable films and television productions in the mid-20th century.
  • C. John Frank Stevens
    John Frank Stevens was an American civil engineer best known for his pivotal role in organizing and directing early construction and infrastructure work on the Panama Canal.
  • D. Robert Moses
    Robert Moses was a powerful and controversial New York urban planner whose extensive highway, bridge, and park projects reshaped the city and its surrounding region in the mid-20th century.
  • E. George Washington Goethals
    George Washington Goethals was a U.S. Army engineer and administrator best known for overseeing the construction and early operation of the Panama Canal.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: historicalPeopleAssociated
Context triple: [Owens River, historicalPeopleAssociated, William Mulholland]
  • A. historicalFigureAssociated chosen
    Indicates that there is a notable connection or linkage between an entity and a historical figure, such as influence, collaboration, representation, or involvement in the figure’s life or legacy.
  • B. historicalPeople
    Indicates that the related entities are people who lived in or are associated with a past historical period or context.
  • C. historicalFigure
    Indicates that an entity is recognized as a notable person from the past who played a significant role in history.
  • D. historicalRepresentative
    Indicates that one entity serves or served as an official representative or delegate of another entity in a historical context.
  • E. notableHistoricalEntity
    Indicates that an entity holds recognized historical significance or prominence within a historical context.
  • F. None of above.

Provenance (6 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_69ad8b1089588190b74d9e2505e45762 completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad98b6cab88190b4dee7e5ec9347e5 completed March 8, 2026, 3:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69b08695bea08190abce552493abda57 completed March 10, 2026, 9:01 p.m.
NEDg Description generation batch_69b0d4d08d688190888459d7d4fbd8d4 completed March 11, 2026, 2:34 a.m.
NED2 Entity disambiguation (via description) batch_69b0d5567e488190b5eee8a494433ae4 completed March 11, 2026, 2:37 a.m.
PD Predicate disambiguation batch_69ad960a70ac8190816b5ae3e8631031 completed March 8, 2026, 3:30 p.m.
Created at: March 8, 2026, 2:57 p.m.