Triple

T4639162
Position Surface form Disambiguated ID Type / Status
Subject Barnwell County, South Carolina E101608 entity
Predicate hostsFacility P12416 FINISHED
Object Barnwell low-level radioactive waste disposal facility
The Barnwell low-level radioactive waste disposal facility is a long-operating commercial site in South Carolina used for the burial and management of low-level radioactive waste from various generators in the United States.
E456789 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: Barnwell low-level radioactive waste disposal facility | Statement: [Barnwell County, South Carolina, hostsFacility, Barnwell low-level radioactive waste disposal facility]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Barnwell low-level radioactive waste disposal facility
Context triple: [Barnwell County, South Carolina, hostsFacility, Barnwell low-level radioactive waste disposal facility]
  • A. Barnwell Nuclear Fuel Plant site
    The Barnwell Nuclear Fuel Plant site is a former nuclear fuel reprocessing and waste management facility in Barnwell County, South Carolina, associated with the U.S. nuclear energy and waste disposal industry.
  • B. Savannah River Site
    Savannah River Site is a U.S. Department of Energy nuclear reservation in South Carolina historically used for producing materials for nuclear weapons and now focused on environmental cleanup and nuclear materials management.
  • C. Waste Isolation Pilot Plant
    The Waste Isolation Pilot Plant is a deep geological repository in New Mexico designed for the long-term disposal of transuranic radioactive waste from U.S. nuclear weapons production.
  • D. Hope Creek Nuclear Generating Station
    Hope Creek Nuclear Generating Station is a single-unit boiling water nuclear power plant located in Lower Alloways Creek Township, New Jersey, that generates electricity for the regional grid.
  • E. Umatilla Chemical Agent Disposal Facility
    The Umatilla Chemical Agent Disposal Facility was a U.S. Army installation in Oregon responsible for safely destroying stockpiled chemical weapons as part of the national chemical demilitarization effort.
  • 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: Barnwell low-level radioactive waste disposal facility
Triple: [Barnwell County, South Carolina, hostsFacility, Barnwell low-level radioactive waste disposal facility]
Generated description
The Barnwell low-level radioactive waste disposal facility is a long-operating commercial site in South Carolina used for the burial and management of low-level radioactive waste from various generators in the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Barnwell low-level radioactive waste disposal facility
Target entity description: The Barnwell low-level radioactive waste disposal facility is a long-operating commercial site in South Carolina used for the burial and management of low-level radioactive waste from various generators in the United States.
  • A. Barnwell Nuclear Fuel Plant site chosen
    The Barnwell Nuclear Fuel Plant site is a former nuclear fuel reprocessing and waste management facility in Barnwell County, South Carolina, associated with the U.S. nuclear energy and waste disposal industry.
  • B. Savannah River Site
    Savannah River Site is a U.S. Department of Energy nuclear reservation in South Carolina historically used for producing materials for nuclear weapons and now focused on environmental cleanup and nuclear materials management.
  • C. Waste Isolation Pilot Plant
    The Waste Isolation Pilot Plant is a deep geological repository in New Mexico designed for the long-term disposal of transuranic radioactive waste from U.S. nuclear weapons production.
  • D. Hope Creek Nuclear Generating Station
    Hope Creek Nuclear Generating Station is a single-unit boiling water nuclear power plant located in Lower Alloways Creek Township, New Jersey, that generates electricity for the regional grid.
  • E. Umatilla Chemical Agent Disposal Facility
    The Umatilla Chemical Agent Disposal Facility was a U.S. Army installation in Oregon responsible for safely destroying stockpiled chemical weapons as part of the national chemical demilitarization effort.
  • F. None of above.

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_69bd43d3bc7c81908f81fcf380476b0f completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd5a8e0ee88190becab97d2ef1571a completed March 20, 2026, 2:32 p.m.
NED1 Entity disambiguation (via context triple) batch_69be036d7aa081908b4b361dbae8ebc7 completed March 21, 2026, 2:33 a.m.
NEDg Description generation batch_69be0542daf08190b792855c8129ac50 completed March 21, 2026, 2:41 a.m.
NED2 Entity disambiguation (via description) batch_69be05c1dcd48190a08a5748e86a5ac8 completed March 21, 2026, 2:43 a.m.
Created at: March 20, 2026, 1:13 p.m.