Triple

T63478
Position Surface form Disambiguated ID Type / Status
Subject Hanford Site E1260 entity
Predicate cleanupContractor P3677 FINISHED
Object 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.
E6778 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: Bechtel National, Inc. | Statement: [Hanford Site, cleanupContractor, Bechtel National, Inc.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bechtel National, Inc.
Context triple: [Hanford Site, cleanupContractor, Bechtel National, Inc.]
  • A. Booz Allen Hamilton
    Booz Allen Hamilton is a major American management and technology consulting firm known for its extensive work with U.S. government agencies and large corporations.
  • B. U.S. Army Corps of Engineers
    The U.S. Army Corps of Engineers is a federal agency within the U.S. Department of Defense responsible for designing, building, and maintaining military and civil engineering projects such as dams, waterways, and infrastructure.
  • C. Raytheon Company
    Raytheon Company was a major American defense contractor and industrial corporation known for developing advanced military technologies, including missile systems and radar.
  • D. Tennessee Valley Authority
    The Tennessee Valley Authority is a federally owned U.S. corporation created during the New Deal to provide regional economic development, flood control, and electricity generation in the Tennessee Valley.
  • E. Petroleum Group
    The Petroleum Group is a specialist division of the Geological Society of London focused on the study and professional exchange of knowledge related to petroleum geoscience and hydrocarbon exploration.
  • 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: Bechtel National, Inc.
Triple: [Hanford Site, cleanupContractor, Bechtel National, Inc.]
Generated description
Bechtel National, Inc. is a major U.S. engineering, construction, and project management company known for large-scale government and environmental remediation projects.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bechtel National, Inc.
Target entity description: Bechtel National, Inc. is a major U.S. engineering, construction, and project management company known for large-scale government and environmental remediation projects.
  • A. Booz Allen Hamilton
    Booz Allen Hamilton is a major American management and technology consulting firm known for its extensive work with U.S. government agencies and large corporations.
  • B. U.S. Army Corps of Engineers
    The U.S. Army Corps of Engineers is a federal agency within the U.S. Department of Defense responsible for designing, building, and maintaining military and civil engineering projects such as dams, waterways, and infrastructure.
  • C. Raytheon Company
    Raytheon Company was a major American defense contractor and industrial corporation known for developing advanced military technologies, including missile systems and radar.
  • D. Tennessee Valley Authority
    The Tennessee Valley Authority is a federally owned U.S. corporation created during the New Deal to provide regional economic development, flood control, and electricity generation in the Tennessee Valley.
  • E. Petroleum Group
    The Petroleum Group is a specialist division of the Geological Society of London focused on the study and professional exchange of knowledge related to petroleum geoscience and hydrocarbon exploration.
  • 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_69a24ba4f760819081f6638a3c70538a completed Feb. 28, 2026, 1:57 a.m.
NER Named-entity recognition batch_69a25679e0688190bc0360314af3ef46 completed Feb. 28, 2026, 2:44 a.m.
NED1 Entity disambiguation (via context triple) batch_69a25ab9477881908508e3130068bca3 completed Feb. 28, 2026, 3:02 a.m.
NEDg Description generation batch_69a25ba89b70819086966936d11a8dcf completed Feb. 28, 2026, 3:06 a.m.
NED2 Entity disambiguation (via description) batch_69a25c29bf708190966d4a036ae69f10 completed Feb. 28, 2026, 3:08 a.m.
Created at: Feb. 28, 2026, 2:02 a.m.