Triple
T5084872
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bechtel Corporation |
E114611
|
entity |
| Predicate | notableProject |
P4
|
FINISHED |
| Object | Hanford Waste Treatment Plant |
E212332
|
NE FINISHED |
How this triple was built (2 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: Hanford Waste Treatment Plant | Statement: [Bechtel Corporation, notableProject, Hanford Waste Treatment Plant]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hanford Waste Treatment Plant Context triple: [Bechtel Corporation, notableProject, Hanford Waste Treatment Plant]
-
A.
Waste Treatment and Immobilization Plant (Hanford WTP)
chosen
The Waste Treatment and Immobilization Plant (Hanford WTP) is a large-scale nuclear waste processing facility at the Hanford Site in Washington State, designed to treat and vitrify high-level radioactive waste stored in underground tanks.
-
B.
Hanford Site, Washington
Hanford Site, Washington is a large decommissioned nuclear production complex along the Columbia River that was central to U.S. plutonium production during and after World War II and is now one of the nation’s most challenging environmental cleanup sites.
-
C.
Hanford production reactors
The Hanford production reactors were a series of plutonium-producing nuclear reactors built during and after World War II at the Hanford Site in Washington State as part of the U.S. nuclear weapons program.
-
D.
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.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69bd443e941881908eb4e8c685b6f656 |
completed | March 20, 2026, 12:57 p.m. |
| NER | Named-entity recognition | batch_69bd75192d188190a7631bce5faf7de3 |
completed | March 20, 2026, 4:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69beb13a8be08190a0f1fc3aec224dde |
completed | March 21, 2026, 2:54 p.m. |
Created at: March 20, 2026, 1:40 p.m.