Triple

T5026597
Position Surface form Disambiguated ID Type / Status
Subject Boulder Canyon Project E113190 entity
Predicate hasContractor P7138 FINISHED
Object Bechtel Corporation E114611 NE FINISHED

How this triple was built (3 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: Bechtel Corporation | Statement: [Boulder Canyon Project, hasContractor, Bechtel Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bechtel Corporation
Context triple: [Boulder Canyon Project, hasContractor, Bechtel Corporation]
  • A. Bechtel Corporation chosen
    Bechtel Corporation is a major American engineering, construction, and project management company known for large-scale infrastructure and energy projects worldwide.
  • B. Bechtel National, Inc.
    Bechtel National, Inc. is a major U.S. engineering, construction, and project management company known for large-scale government and environmental remediation projects.
  • C. CH2M Hill
    CH2M Hill was a global engineering and construction firm known for its large-scale infrastructure, environmental, and transportation projects.
  • D. Black & Veatch
    Black & Veatch is a global engineering, consulting, and construction company specializing in infrastructure development in sectors such as energy, water, and telecommunications.
  • E. Jacobs Engineering Group
    Jacobs Engineering Group is a global professional services firm specializing in engineering, design, and construction management across infrastructure, aerospace, environmental, and industrial sectors.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: hasContractor
Context triple: [Boulder Canyon Project, hasContractor, Bechtel Corporation]
  • A. typeOfContractor
    Indicates the specific category or role of a contractor in relation to a given entity or project.
  • B. hasContractWith
    Indicates that one entity is bound by a formal contract or agreement with another entity.
  • C. primaryContractor chosen
    Indicates that one entity serves as the main responsible contractor for a project, agreement, or work in relation to another entity.
  • D. hasExclusiveContractFor
    Indicates that one party holds sole contractual rights to provide, use, or represent a specific product, service, or opportunity, excluding all other potential counterparties.
  • E. hasOperatorContractStart
    Indicates the date on which an operator’s contractual agreement with another entity begins.
  • F. None of above.

Provenance (4 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_69bd443775e48190a646ffbfc4334723 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd738c3aac81908fb6a5c70c97a394 completed March 20, 2026, 4:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69be928919c08190be76549e1a41f61e completed March 21, 2026, 12:43 p.m.
PD Predicate disambiguation batch_69bd71509e9c8190a60c1d8d04936a12 completed March 20, 2026, 4:09 p.m.
Created at: March 20, 2026, 1:36 p.m.