Triple

T6387281
Position Surface form Disambiguated ID Type / Status
Subject Chester E143731 entity
Predicate hasHistoricalPeriod P1614 FINISHED
Object Roman Britain E203653 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: Roman Britain | Statement: [Chester, hasHistoricalPeriod, Roman Britain]

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: Roman Britain
Context triple: [Chester, hasHistoricalPeriod, Roman Britain]
  • A. Roman Britain chosen
    Roman Britain was the period of British history when much of the island was under the control of the Roman Empire, marked by extensive military fortifications, urbanization, and the introduction of Roman law, culture, and infrastructure.
  • B. sub-Roman Britain
    Sub-Roman Britain was the transitional period in Britain between the end of Roman rule and the early Middle Ages, marked by political fragmentation, cultural change, and the emergence of post-Roman kingdoms.
  • C. ancient Britain
    Ancient Britain refers to the British Isles in prehistoric and early historic times, characterized by Celtic cultures, tribal kingdoms, and Roman influence before the early Middle Ages.
  • D. Britannia Prima
    Britannia Prima was a late Roman province carved out of Roman Britain during the empire’s administrative reorganization in the 3rd–4th centuries CE.
  • E. Britannia Secunda
    Britannia Secunda was a late Roman province in Britain, created during the administrative reorganization of Roman Britain and generally thought to have encompassed parts of what is now northern England and possibly Wales.
  • 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_69c008dac1ec81909cef8157ccd69962 elicitation completed
NER batch_69c06869dfb88190aeb84c6c61414888 ner completed
NED1 batch_69c6387dc8888190ba63efcc9aff41b2 ned_source_triple completed
Created at: March 22, 2026, 4:34 p.m.