Triple

T11075212
Position Surface form Disambiguated ID Type / Status
Subject Hochtief E261848 entity
Predicate subsidiary P258 FINISHED
Object Flatiron Construction
Flatiron Construction is a major North American heavy civil construction company known for building large-scale transportation and infrastructure projects.
 E902908 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: Flatiron Construction | Statement: [Hochtief, subsidiary, Flatiron Construction]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Flatiron Construction
Context triple: [Hochtief, subsidiary, Flatiron Construction]
  • A. Manhattan Construction Company
    Manhattan Construction Company is a major U.S. construction firm known for building large-scale projects, including prominent sports stadiums and public facilities.
  • B. Tishman Construction
    Tishman Construction is a major American construction management firm known for building prominent high-rise and large-scale commercial projects, particularly in New York City.
  • C. McCarthy Building Companies
    McCarthy Building Companies is a large U.S.-based construction firm known for delivering major commercial, institutional, and sports facilities projects nationwide.
  • D. J. P. Stevens Construction Company
    J. P. Stevens Construction Company is a construction firm best known for building the iconic Linn Cove Viaduct on the Blue Ridge Parkway in North Carolina.
  • E. Tishman
    Tishman is a prominent American real estate family name associated with major development and construction firms, particularly in New York City.
  • 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: Flatiron Construction
Triple: [Hochtief, subsidiary, Flatiron Construction]
Generated description
Flatiron Construction is a major North American heavy civil construction company known for building large-scale transportation and infrastructure projects.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Flatiron Construction
Target entity description: Flatiron Construction is a major North American heavy civil construction company known for building large-scale transportation and infrastructure projects.
  • A. Manhattan Construction Company
    Manhattan Construction Company is a major U.S. construction firm known for building large-scale projects, including prominent sports stadiums and public facilities.
  • B. Tishman Construction
    Tishman Construction is a major American construction management firm known for building prominent high-rise and large-scale commercial projects, particularly in New York City.
  • C. McCarthy Building Companies
    McCarthy Building Companies is a large U.S.-based construction firm known for delivering major commercial, institutional, and sports facilities projects nationwide.
  • D. J. P. Stevens Construction Company
    J. P. Stevens Construction Company is a construction firm best known for building the iconic Linn Cove Viaduct on the Blue Ridge Parkway in North Carolina.
  • E. Tishman
    Tishman is a prominent American real estate family name associated with major development and construction firms, particularly in New York City.
  • 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_69d6aa9983c08190b0ef61603b69feac completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d7994efb608190a81bc8c4d16ddbd0 completed April 9, 2026, 12:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69e3c8cc77988190aad54f56dbd0f8cf completed April 18, 2026, 6:09 p.m.
NEDg Description generation batch_69e3cefc00148190a1850dc6e31523c3 completed April 18, 2026, 6:35 p.m.
NED2 Entity disambiguation (via description) batch_69e3d014a644819092c76aa02b573ca9 completed April 18, 2026, 6:40 p.m.
Created at: April 8, 2026, 9:26 p.m.