Triple
T17196210
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fermi 1 |
E417357
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Power Reactor Development Company
Power Reactor Development Company was a consortium formed by U.S. utilities and industrial firms to build and operate the experimental Fermi 1 fast breeder nuclear reactor near Detroit in the mid-20th century.
|
E1255253
|
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: Power Reactor Development Company | Statement: [Fermi 1, operator, Power Reactor Development Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Power Reactor Development Company Context triple: [Fermi 1, operator, Power Reactor Development Company]
-
A.
Tokyo Electric Power Company
Tokyo Electric Power Company is Japan’s largest electric utility, internationally known for operating the Fukushima Daiichi nuclear plant involved in the 2011 nuclear disaster.
-
B.
Korea Electric Power Corporation
Korea Electric Power Corporation is South Korea’s largest electric utility company, responsible for the generation, transmission, and distribution of electricity domestically and active in energy projects abroad.
-
C.
Chubu Electric Power
Chubu Electric Power is a major Japanese electric utility company that supplies power primarily to the Chūbu region, including the Chūkyō metropolitan area.
-
D.
Tokyo Gas and Electric Industrial Company
Tokyo Gas and Electric Industrial Company was a Japanese industrial firm active in the early 20th century that played a foundational role in the country’s automotive industry, including establishing the company that became Hino Motors.
-
E.
POSCO E&C
POSCO E&C is a South Korean engineering and construction company known for developing large-scale urban projects and infrastructure, including the Songdo International Business District.
- 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: Power Reactor Development Company Triple: [Fermi 1, operator, Power Reactor Development Company]
Generated description
Power Reactor Development Company was a consortium formed by U.S. utilities and industrial firms to build and operate the experimental Fermi 1 fast breeder nuclear reactor near Detroit in the mid-20th century.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Power Reactor Development Company Target entity description: Power Reactor Development Company was a consortium formed by U.S. utilities and industrial firms to build and operate the experimental Fermi 1 fast breeder nuclear reactor near Detroit in the mid-20th century.
-
A.
Tokyo Electric Power Company
Tokyo Electric Power Company is Japan’s largest electric utility, internationally known for operating the Fukushima Daiichi nuclear plant involved in the 2011 nuclear disaster.
-
B.
Korea Electric Power Corporation
Korea Electric Power Corporation is South Korea’s largest electric utility company, responsible for the generation, transmission, and distribution of electricity domestically and active in energy projects abroad.
-
C.
Chubu Electric Power
Chubu Electric Power is a major Japanese electric utility company that supplies power primarily to the Chūbu region, including the Chūkyō metropolitan area.
-
D.
Tokyo Gas and Electric Industrial Company
Tokyo Gas and Electric Industrial Company was a Japanese industrial firm active in the early 20th century that played a foundational role in the country’s automotive industry, including establishing the company that became Hino Motors.
-
E.
POSCO E&C
POSCO E&C is a South Korean engineering and construction company known for developing large-scale urban projects and infrastructure, including the Songdo International Business District.
- 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_69d886d6ba8c819093215917b3d01689 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e42daab57c819093496cbdc7890f34 |
completed | April 19, 2026, 1:19 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a015fd5f834819080ad2a2ffdc017b6 |
completed | May 11, 2026, 4:49 a.m. |
| NEDg | Description generation | batch_6a0160ce18e88190af8e3a7dfc17536a |
completed | May 11, 2026, 4:53 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a016146ce14819091e3459d25ca19aa |
completed | May 11, 2026, 4:55 a.m. |
Created at: April 10, 2026, 5:38 a.m.