Triple
T4136924
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chernobyl disaster |
E85175
|
entity |
| Predicate | firstInternationalDetection |
P53467
|
FINISHED |
| Object |
Forsmark Nuclear Power Plant in Sweden
Forsmark Nuclear Power Plant in Sweden is a major Swedish nuclear facility on the Baltic coast, notable for being the site where elevated radiation levels first alerted the world to the Chernobyl disaster in 1986.
|
E414461
|
NE FINISHED |
How this triple was built (5 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: Forsmark Nuclear Power Plant in Sweden | Statement: [Chernobyl disaster, firstInternationalDetection, Forsmark Nuclear Power Plant in Sweden]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Forsmark Nuclear Power Plant in Sweden Context triple: [Chernobyl disaster, firstInternationalDetection, Forsmark Nuclear Power Plant in Sweden]
-
A.
Ascó Nuclear Power Plant
Ascó Nuclear Power Plant is a major Spanish nuclear power facility located in Catalonia that generates electricity using pressurized water reactors.
-
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.
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.
Flamanville 3 nuclear power plant
Flamanville 3 nuclear power plant is a French EPR (European Pressurized Reactor) project on the Normandy coast, known for its advanced reactor design, major construction delays, and significant cost overruns.
-
E.
Salem Nuclear Power Plant
Salem Nuclear Power Plant is a commercial nuclear power station in Lower Alloways Creek Township, New Jersey, that generates electricity using pressurized water reactors along the Delaware River.
- 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: Forsmark Nuclear Power Plant in Sweden Triple: [Chernobyl disaster, firstInternationalDetection, Forsmark Nuclear Power Plant in Sweden]
Generated description
Forsmark Nuclear Power Plant in Sweden is a major Swedish nuclear facility on the Baltic coast, notable for being the site where elevated radiation levels first alerted the world to the Chernobyl disaster in 1986.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Forsmark Nuclear Power Plant in Sweden Target entity description: Forsmark Nuclear Power Plant in Sweden is a major Swedish nuclear facility on the Baltic coast, notable for being the site where elevated radiation levels first alerted the world to the Chernobyl disaster in 1986.
-
A.
Ascó Nuclear Power Plant
Ascó Nuclear Power Plant is a major Spanish nuclear power facility located in Catalonia that generates electricity using pressurized water reactors.
-
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.
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.
Flamanville 3 nuclear power plant
Flamanville 3 nuclear power plant is a French EPR (European Pressurized Reactor) project on the Normandy coast, known for its advanced reactor design, major construction delays, and significant cost overruns.
-
E.
Salem Nuclear Power Plant
Salem Nuclear Power Plant is a commercial nuclear power station in Lower Alloways Creek Township, New Jersey, that generates electricity using pressurized water reactors along the Delaware River.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: firstInternationalDetection Context triple: [Chernobyl disaster, firstInternationalDetection, Forsmark Nuclear Power Plant in Sweden]
-
A.
firstInternationalYear
Indicates that the referenced year is the first year in which the entity participated in or was involved in an international context or activity.
-
B.
detected
chosen
Indicates that an entity has observed, identified, or discovered the presence or occurrence of another entity or event.
-
C.
firstTestedBy
Indicates that an item, concept, or process was initially tested or tried out by a particular agent or entity.
-
D.
firstDemonstrated
Indicates that one entity was the earliest to show, prove, or exemplify a particular concept, method, or capability in relation to another entity or context.
-
E.
firstInternationalDocking
Indicates that this docking event is the first time an international (between different countries’ spacecraft or space stations) docking has occurred.
- F. None of above.
Provenance (6 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_69aed935ccd881909dc61f81bcdb7a78 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69af03a0f3408190adba7a8513bd3d12 |
completed | March 9, 2026, 5:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b576c75e5c8190acc4ee72cb574432 |
completed | March 14, 2026, 2:55 p.m. |
| NEDg | Description generation | batch_69b57799f22481908cfda7e620a77187 |
completed | March 14, 2026, 2:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b578003dd48190b9264fd834cffbdf |
completed | March 14, 2026, 3 p.m. |
| PD | Predicate disambiguation | batch_69af018a54848190987f18c066c75068 |
completed | March 9, 2026, 5:21 p.m. |
Created at: March 9, 2026, 3:43 p.m.