Triple
T17080609
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | RBMK-1000 |
E414458
|
entity |
| Predicate | reactorInvolvedInAccident |
P125798
|
FINISHED |
| Object | Chernobyl Nuclear Power Plant Unit 4 |
E335055
|
NE FINISHED |
How this triple was built (3 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: Chernobyl Nuclear Power Plant Unit 4 | Statement: [RBMK-1000, reactorInvolvedInAccident, Chernobyl Nuclear Power Plant Unit 4]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chernobyl Nuclear Power Plant Unit 4 Context triple: [RBMK-1000, reactorInvolvedInAccident, Chernobyl Nuclear Power Plant Unit 4]
-
A.
Chernobyl Nuclear Power Plant
chosen
The Chernobyl Nuclear Power Plant was a Soviet-era nuclear power station in northern Ukraine, infamous for the catastrophic 1986 reactor explosion that caused one of the worst nuclear disasters in history.
-
B.
Beloyarsk Nuclear Power Station
Beloyarsk Nuclear Power Station is a Russian nuclear power plant in Sverdlovsk Oblast known for its experimental and commercial fast breeder reactors, including the BN-series units.
-
C.
Kalinin nuclear power plant
The Kalinin nuclear power plant is a major Russian nuclear power facility that supplies electricity to the central regions of the country.
-
D.
Novovoronezh Nuclear Power Plant
Novovoronezh Nuclear Power Plant is a major Russian nuclear power station on the Don River that has served as a key site for testing and operating various generations of VVER reactor designs.
-
E.
Rivne Nuclear Power Plant
Rivne Nuclear Power Plant is a major Ukrainian nuclear power station that generates electricity for the national grid and is located in the country’s northwestern Rivne region.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: reactorInvolvedInAccident Context triple: [RBMK-1000, reactorInvolvedInAccident, Chernobyl Nuclear Power Plant Unit 4]
-
A.
reactor2StatusDuringAccident
Indicates the operational or physical condition of reactor 2 throughout the duration of an accident event.
-
B.
reactor4StatusDuringAccident
Indicates the operational or physical condition of reactor 4 specifically during the time of the accident.
-
C.
numberOfFuelAssembliesInSpentFuelPoolAtAccident
Indicates the quantity of fuel assemblies that were present in the spent fuel pool at the time of the accident.
-
D.
reactor3StatusDuringAccident
Indicates the operational or physical condition of reactor 3 specifically during the time period of an accident.
-
E.
reactor1StatusDuringAccident
Indicates the operational or physical condition of reactor 1 throughout the duration of an accident event.
- 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_69d886cef44c8190ba56c44b4e863e64 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3dbe2fe7c819099ab0586b1a119f6 |
completed | April 18, 2026, 7:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0139f7e6408190978c940c6e641d47 |
completed | May 11, 2026, 2:07 a.m. |
| PD | Predicate disambiguation | batch_69e35d642f74819098c014135e249b27 |
completed | April 18, 2026, 10:31 a.m. |
| PDg | Predicate description generation | batch_69e3753f93c88190808fec5692f66699 |
completed | April 18, 2026, 12:12 p.m. |
Created at: April 10, 2026, 5:34 a.m.