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.