Triple

T12846950
Position Surface form Disambiguated ID Type / Status
Subject Loviisa Nuclear Power Plant E307202 entity
Predicate reactorType P3675 FINISHED
Object VVER-440
VVER-440 is a Soviet-designed pressurized water reactor (PWR) model widely used in nuclear power plants across Eastern Europe and Finland.
 E1007077 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: VVER-440 | Statement: [Loviisa Nuclear Power Plant, reactorType, VVER-440]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: VVER-440
Context triple: [Loviisa Nuclear Power Plant, reactorType, VVER-440]
  • A. VVER-1000
    VVER-1000 is a Russian-designed pressurized water nuclear reactor model widely used for commercial electricity generation.
  • B. 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.
  • C. K15 pressurized water reactor
    The K15 pressurized water reactor is a French naval nuclear reactor design used to power modern French aircraft carriers and submarines.
  • D. BWR-4
    BWR-4 is a General Electric-designed boiling water reactor model widely used in commercial nuclear power plants built during the late 1960s and 1970s.
  • E. IBR-2 reactor
    The IBR-2 reactor is a fast pulsed research nuclear reactor used primarily for neutron scattering experiments in condensed matter physics and materials science.
  • 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: VVER-440
Triple: [Loviisa Nuclear Power Plant, reactorType, VVER-440]
Generated description
VVER-440 is a Soviet-designed pressurized water reactor (PWR) model widely used in nuclear power plants across Eastern Europe and Finland.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: VVER-440
Target entity description: VVER-440 is a Soviet-designed pressurized water reactor (PWR) model widely used in nuclear power plants across Eastern Europe and Finland.
  • A. VVER-1000
    VVER-1000 is a Russian-designed pressurized water nuclear reactor model widely used for commercial electricity generation.
  • B. 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.
  • C. K15 pressurized water reactor
    The K15 pressurized water reactor is a French naval nuclear reactor design used to power modern French aircraft carriers and submarines.
  • D. BWR-4
    BWR-4 is a General Electric-designed boiling water reactor model widely used in commercial nuclear power plants built during the late 1960s and 1970s.
  • E. IBR-2 reactor
    The IBR-2 reactor is a fast pulsed research nuclear reactor used primarily for neutron scattering experiments in condensed matter physics and materials science.
  • 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_69d7bdf5e7cc8190be357278bc5ba3bb completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96ff49efc8190bd6bbac510cc4705 completed April 10, 2026, 9:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69f69ba1ef2481909bcf68a698afd3c6 completed May 3, 2026, 12:49 a.m.
NEDg Description generation batch_69f69dad1f9c8190b48c40f49dbd396d completed May 3, 2026, 12:58 a.m.
NED2 Entity disambiguation (via description) batch_69f69e5fd19c819082f9fe0d26c56c9a completed May 3, 2026, 1:01 a.m.
Created at: April 9, 2026, 5:36 p.m.