Triple

T4569777
Position Surface form Disambiguated ID Type / Status
Subject Hall C experimental program E123001 entity
Predicate conductedAt P837 FINISHED
Object Thomas Jefferson National Accelerator Facility E22381 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Thomas Jefferson National Accelerator Facility | Statement: [Hall C experimental program, conductedAt, Thomas Jefferson National Accelerator Facility]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Thomas Jefferson National Accelerator Facility
Context triple: [Hall C experimental program, conductedAt, Thomas Jefferson National Accelerator Facility]
  • A. Jefferson Lab chosen
    Jefferson Lab is a U.S. national laboratory renowned for its research in nuclear physics, particularly the study of quark structure within nucleons using high-energy electron beams.
  • B. National Synchrotron Radiation Laboratory
    The National Synchrotron Radiation Laboratory is a major Chinese research facility that operates synchrotron light sources for advanced studies in physics, materials science, chemistry, and related fields.
  • C. Brookhaven National Laboratory
    Brookhaven National Laboratory is a major U.S. Department of Energy research facility on Long Island known for its cutting-edge work in nuclear and particle physics, materials science, and energy research.
  • D. Fermi National Accelerator Laboratory
    Fermi National Accelerator Laboratory is a leading U.S. Department of Energy particle physics research facility known for its high-energy accelerators and contributions to fundamental physics discoveries.
  • E. SLAC National Accelerator Laboratory
    SLAC National Accelerator Laboratory is a U.S. Department of Energy national lab in California known for its cutting-edge research in particle physics, astrophysics, and accelerator science.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69bd46466c7081909d07f36be2d08804 elicitation completed
NER batch_69bd58c3eba48190af1fce6e1ca16943 ner completed
NED1 batch_69be43897d5c8190a4119f1c90d0318b ned_source_triple completed
Created at: March 20, 2026, 1:10 p.m.