Triple
T23120409
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Princeton Large Torus |
E576875
|
entity |
| Predicate | successor |
P78
|
FINISHED |
| Object | Tokamak Fusion Test Reactor |
—
|
NE NERFINISHED |
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: Tokamak Fusion Test Reactor | Statement: [Princeton Large Torus, successor, Tokamak Fusion Test Reactor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokamak Fusion Test Reactor Context triple: [Princeton Large Torus, successor, Tokamak Fusion Test Reactor]
-
A.
Tokamak Fusion Test Reactor
chosen
The Tokamak Fusion Test Reactor was a major experimental fusion device in the United States that set world records for plasma temperature and fusion power in the late 20th century.
-
B.
International Thermonuclear Experimental Reactor
The International Thermonuclear Experimental Reactor (ITER) is a large international nuclear fusion research and engineering project in France designed to demonstrate the feasibility of fusion power as a large-scale, carbon-free energy source.
-
C.
DIII-D tokamak
The DIII-D tokamak is a major U.S. magnetic confinement fusion research facility that investigates advanced plasma physics and reactor-relevant operating scenarios.
-
D.
Alcator C-Mod
Alcator C-Mod was a high-magnetic-field tokamak fusion experiment at MIT known for pioneering research on plasma confinement and stability.
-
E.
Princeton Stellarator
The Princeton Stellarator is an early experimental fusion device that pioneered the stellarator concept for confining hot plasma with twisted magnetic fields in the quest for controlled nuclear fusion.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e245f6c2e881909a228fdcfeb7c7d3 |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18e4f9be881908307838bfb5edc0c |
completed | April 29, 2026, 4:51 a.m. |
Created at: April 17, 2026, 3:59 p.m.