Triple

T4182335
Position Surface form Disambiguated ID Type / Status
Subject Saint Petersburg Oblast E88221 entity
Predicate contains P35 FINISHED
Object Sosnovy Bor Nuclear Power Plant
Sosnovy Bor Nuclear Power Plant is a major Russian nuclear power facility located near the town of Sosnovy Bor on the southern coast of the Gulf of Finland.
E419454 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: Sosnovy Bor Nuclear Power Plant | Statement: [Saint Petersburg Oblast, contains, Sosnovy Bor Nuclear Power Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sosnovy Bor Nuclear Power Plant
Context triple: [Saint Petersburg Oblast, contains, Sosnovy Bor Nuclear Power Plant]
  • A. 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.
  • B. Chernobyl Nuclear Power Plant
    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.
  • C. Mutnovskaya geothermal power plant
    Mutnovskaya geothermal power plant is a geothermal power station in Russia’s Kamchatka Peninsula that harnesses volcanic geothermal energy from the Mutnovsky area to generate electricity.
  • D. RBMK-1000
    The RBMK-1000 is a Soviet-designed graphite-moderated, water-cooled nuclear power reactor type, best known for its role in the 1986 Chernobyl disaster and its significant safety design flaws.
  • E. Volkhov Hydroelectric Station
    Volkhov Hydroelectric Station is one of Russia’s oldest large-scale hydroelectric power plants, located in the Leningrad Oblast and historically significant for its role in early Soviet electrification.
  • 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: Sosnovy Bor Nuclear Power Plant
Triple: [Saint Petersburg Oblast, contains, Sosnovy Bor Nuclear Power Plant]
Generated description
Sosnovy Bor Nuclear Power Plant is a major Russian nuclear power facility located near the town of Sosnovy Bor on the southern coast of the Gulf of Finland.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sosnovy Bor Nuclear Power Plant
Target entity description: Sosnovy Bor Nuclear Power Plant is a major Russian nuclear power facility located near the town of Sosnovy Bor on the southern coast of the Gulf of Finland.
  • A. 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.
  • B. Chernobyl Nuclear Power Plant
    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.
  • C. Mutnovskaya geothermal power plant
    Mutnovskaya geothermal power plant is a geothermal power station in Russia’s Kamchatka Peninsula that harnesses volcanic geothermal energy from the Mutnovsky area to generate electricity.
  • D. RBMK-1000
    The RBMK-1000 is a Soviet-designed graphite-moderated, water-cooled nuclear power reactor type, best known for its role in the 1986 Chernobyl disaster and its significant safety design flaws.
  • E. Volkhov Hydroelectric Station
    Volkhov Hydroelectric Station is one of Russia’s oldest large-scale hydroelectric power plants, located in the Leningrad Oblast and historically significant for its role in early Soviet electrification.
  • 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_69aed9477e8c81908bcb862d2db55b1d completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af0305e2e88190a51f176f8534f1f9 completed March 9, 2026, 5:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69b589fbcc5881908f245bb377082dcc completed March 14, 2026, 4:16 p.m.
NEDg Description generation batch_69b58b22a1d88190a16e1c1e41291f5a completed March 14, 2026, 4:21 p.m.
NED2 Entity disambiguation (via description) batch_69b58b8bfb288190a097942b5b8c366e completed March 14, 2026, 4:23 p.m.
Created at: March 9, 2026, 3:45 p.m.