Triple

T17004869
Position Surface form Disambiguated ID Type / Status
Subject Arak heavy water reactor E412544 entity
Predicate nearFacility P2064 FINISHED
Object Arak Heavy Water Production Plant
The Arak Heavy Water Production Plant is an Iranian industrial facility that produces heavy water for use in nuclear reactors and has been a focal point of international concern over Iran’s nuclear program.
E412544 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: Arak Heavy Water Production Plant | Statement: [Arak heavy water reactor, nearFacility, Arak Heavy Water Production Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Arak Heavy Water Production Plant
Context triple: [Arak heavy water reactor, nearFacility, Arak Heavy Water Production Plant]
  • A. Arak heavy water reactor
    The Arak heavy water reactor is an Iranian nuclear facility designed for research and isotope production that has been a central focus of international negotiations over Iran’s nuclear program.
  • B. Kahuta uranium enrichment plant
    The Kahuta uranium enrichment plant is Pakistan’s primary and highly secretive facility for producing weapons-grade uranium, central to the development of its nuclear arsenal.
  • C. Osirak nuclear reactor
    The Osirak nuclear reactor was an Iraqi nuclear facility near Baghdad that became internationally known after being destroyed in a 1981 Israeli airstrike aimed at preventing Iraq from developing nuclear weapons.
  • D. Dimona nuclear facility
    The Dimona nuclear facility is a highly secretive Israeli nuclear installation widely believed to be central to the country's undeclared nuclear weapons program.
  • E. Khushab nuclear complex
    The Khushab nuclear complex is a key Pakistani nuclear facility believed to produce weapons-grade plutonium for the country’s nuclear arsenal.
  • 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: Arak Heavy Water Production Plant
Triple: [Arak heavy water reactor, nearFacility, Arak Heavy Water Production Plant]
Generated description
The Arak Heavy Water Production Plant is an Iranian industrial facility that produces heavy water for use in nuclear reactors and has been a focal point of international concern over Iran’s nuclear program.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Arak Heavy Water Production Plant
Target entity description: The Arak Heavy Water Production Plant is an Iranian industrial facility that produces heavy water for use in nuclear reactors and has been a focal point of international concern over Iran’s nuclear program.
  • A. Arak heavy water reactor chosen
    The Arak heavy water reactor is an Iranian nuclear facility designed for research and isotope production that has been a central focus of international negotiations over Iran’s nuclear program.
  • B. Kahuta uranium enrichment plant
    The Kahuta uranium enrichment plant is Pakistan’s primary and highly secretive facility for producing weapons-grade uranium, central to the development of its nuclear arsenal.
  • C. Osirak nuclear reactor
    The Osirak nuclear reactor was an Iraqi nuclear facility near Baghdad that became internationally known after being destroyed in a 1981 Israeli airstrike aimed at preventing Iraq from developing nuclear weapons.
  • D. Dimona nuclear facility
    The Dimona nuclear facility is a highly secretive Israeli nuclear installation widely believed to be central to the country's undeclared nuclear weapons program.
  • E. Khushab nuclear complex
    The Khushab nuclear complex is a key Pakistani nuclear facility believed to produce weapons-grade plutonium for the country’s nuclear arsenal.
  • F. None of above.

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_69d886cb581c8190ab05f4b429c9cd85 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3d382400c819092ec0ca0de815888 completed April 18, 2026, 6:54 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00dc2035848190bf299875d37c8ac7 completed May 10, 2026, 7:27 p.m.
NEDg Description generation batch_6a0114d68c8481909111bfab22882bb2 completed May 10, 2026, 11:29 p.m.
NED2 Entity disambiguation (via description) batch_6a0118ba68408190b242154c40461f21 completed May 10, 2026, 11:46 p.m.
Created at: April 10, 2026, 5:32 a.m.