Triple

T20906977
Position Surface form Disambiguated ID Type / Status
Subject José Mas E514828 entity
Predicate employer P7 FINISHED
Object MasTec, Inc.
MasTec, Inc. is a large American infrastructure engineering and construction company specializing in energy, utility, and communications projects.
 E1456499 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: MasTec, Inc. | Statement: [José Mas, employer, MasTec, Inc.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MasTec, Inc.
Context triple: [José Mas, employer, MasTec, Inc.]
  • A. 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.
  • B. Bechtel Corporation
    Bechtel Corporation is a major American engineering, construction, and project management company known for large-scale infrastructure and energy projects worldwide.
  • C. 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.
  • D. Kellogg Brown & Root
    Kellogg Brown & Root is a major American engineering, construction, and government services contractor known for its extensive work on large-scale infrastructure and military logistics projects worldwide.
  • E. Material Service Corporation
    Material Service Corporation was a major Chicago-based building materials and aggregates company that became the foundation of industrialist Henry Crown’s business empire.
  • 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: MasTec, Inc.
Triple: [José Mas, employer, MasTec, Inc.]
Generated description
MasTec, Inc. is a large American infrastructure engineering and construction company specializing in energy, utility, and communications projects.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MasTec, Inc.
Target entity description: MasTec, Inc. is a large American infrastructure engineering and construction company specializing in energy, utility, and communications projects.
  • A. 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.
  • B. Bechtel Corporation
    Bechtel Corporation is a major American engineering, construction, and project management company known for large-scale infrastructure and energy projects worldwide.
  • C. 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.
  • D. Kellogg Brown & Root
    Kellogg Brown & Root is a major American engineering, construction, and government services contractor known for its extensive work on large-scale infrastructure and military logistics projects worldwide.
  • E. Material Service Corporation
    Material Service Corporation was a major Chicago-based building materials and aggregates company that became the foundation of industrialist Henry Crown’s business empire.
  • 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_69e0b4f8a1108190bce3d31331290ced completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6e900ee7881909ab1046b40dca486 completed April 21, 2026, 3:03 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0918da64408190948113dfe2654435 completed May 17, 2026, 1:24 a.m.
NEDg Description generation batch_6a09194f440c8190aac98329720aaeb7 completed May 17, 2026, 1:26 a.m.
NED2 Entity disambiguation (via description) batch_6a091a1871c8819089d522e7d1dd2452 completed May 17, 2026, 1:30 a.m.
Created at: April 16, 2026, 12:47 p.m.