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.