Triple

T3815
Position Surface form Disambiguated ID Type / Status
Subject MIT Nuclear Reactor Laboratory E72 entity
Predicate hasFacility P105 FINISHED
Object MIT Research Reactor pool-type reactor
The MIT Research Reactor pool-type reactor is a university-based nuclear research reactor used for experiments, education, and isotope production at the Massachusetts Institute of Technology.
E72 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: MIT Research Reactor pool-type reactor | Statement: [MIT Nuclear Reactor Laboratory, hasFacility, MIT Research Reactor pool-type reactor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MIT Research Reactor pool-type reactor
Context triple: [MIT Nuclear Reactor Laboratory, hasFacility, MIT Research Reactor pool-type reactor]
  • A. MIT Nuclear Reactor Laboratory
    The MIT Nuclear Reactor Laboratory is a leading university-based research facility that operates a nuclear research reactor for advanced studies in nuclear science, engineering, and related fields.
  • B. Stanford Research Institute
    Stanford Research Institute (now SRI International) is a prominent independent nonprofit research and innovation center known for pioneering advances in computing, artificial intelligence, and other cutting-edge technologies.
  • C. Manhattan Project
    The Manhattan Project was the secret U.S.-led World War II research and development program that produced the first nuclear weapons.
  • D. Universities Research Association
    Universities Research Association is a consortium of research universities that collaborates to manage and support major scientific facilities and high-energy physics research programs in the United States.
  • E. Augmentation Research Center
    The Augmentation Research Center was a pioneering research group at SRI International led by Douglas Engelbart, known for groundbreaking work in interactive computing, including the development of the oN-Line System (NLS), the computer mouse, and early hypertext.
  • 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: MIT Research Reactor pool-type reactor
Triple: [MIT Nuclear Reactor Laboratory, hasFacility, MIT Research Reactor pool-type reactor]
Generated description
The MIT Research Reactor pool-type reactor is a university-based nuclear research reactor used for experiments, education, and isotope production at the Massachusetts Institute of Technology.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MIT Research Reactor pool-type reactor
Target entity description: The MIT Research Reactor pool-type reactor is a university-based nuclear research reactor used for experiments, education, and isotope production at the Massachusetts Institute of Technology.
  • A. MIT Nuclear Reactor Laboratory chosen
    The MIT Nuclear Reactor Laboratory is a leading university-based research facility that operates a nuclear research reactor for advanced studies in nuclear science, engineering, and related fields.
  • B. Stanford Research Institute
    Stanford Research Institute (now SRI International) is a prominent independent nonprofit research and innovation center known for pioneering advances in computing, artificial intelligence, and other cutting-edge technologies.
  • C. Manhattan Project
    The Manhattan Project was the secret U.S.-led World War II research and development program that produced the first nuclear weapons.
  • D. Universities Research Association
    Universities Research Association is a consortium of research universities that collaborates to manage and support major scientific facilities and high-energy physics research programs in the United States.
  • E. Augmentation Research Center
    The Augmentation Research Center was a pioneering research group at SRI International led by Douglas Engelbart, known for groundbreaking work in interactive computing, including the development of the oN-Line System (NLS), the computer mouse, and early hypertext.
  • F. None of above.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasFacility
Context triple: [MIT Nuclear Reactor Laboratory, hasFacility, MIT Research Reactor pool-type reactor]
  • A. hasNotableFacility chosen
    Indicates that an entity possesses or hosts a facility that is of particular significance, prominence, or interest.
  • B. plannedFacility
    Indicates that a facility is intended or scheduled to be built, established, or implemented in the future but does not yet exist or operate.
  • C. hostsInstitution
    Indicates that one entity serves as the hosting location or organizing body for an institution.
  • D. hasFaculty
    Indicates that an institution or department possesses or is associated with one or more faculty members.
  • E. hasRegion
    Indicates that an entity includes, contains, or is associated with a specific geographic or administrative region as part of its scope or structure.
  • 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_69a238d6b47881909e68288aed2fd858 completed Feb. 28, 2026, 12:37 a.m.
NER Named-entity recognition batch_69a23bcc8eb48190b897cc331563980a completed Feb. 28, 2026, 12:50 a.m.
NED1 Entity disambiguation (via context triple) batch_69a23d860c2881909010e0310acaf10f completed Feb. 28, 2026, 12:57 a.m.
NEDg Description generation batch_69a23ffe6b4081908f9d04b169a7bed8 completed Feb. 28, 2026, 1:08 a.m.
NED2 Entity disambiguation (via description) batch_69a2406bedd081909e8704cef5ab08dd completed Feb. 28, 2026, 1:10 a.m.
PD Predicate disambiguation batch_69a23994309081909ff3e869deef2156 completed Feb. 28, 2026, 12:40 a.m.
Created at: Feb. 28, 2026, 12:40 a.m.