Triple

T13334780
Position Surface form Disambiguated ID Type / Status
Subject Heathrow Terminal 2 E317660 entity
Predicate hasSubFacility P12416 FINISHED
Object Terminal 2B
Terminal 2B is a satellite concourse of Heathrow Airport’s Terminal 2, serving additional aircraft gates and passenger boarding areas.
 E1036068 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: Terminal 2B | Statement: [Heathrow Terminal 2, hasSubFacility, Terminal 2B]

Disambiguation candidates (2 decisions)

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: Terminal 2B
Context triple: [Heathrow Terminal 2, hasSubFacility, Terminal 2B]
  • A. Terminal 2B
    Terminal 2B is one of the passenger terminals at Paris Charles de Gaulle Airport, serving various international and European flights with check-in, boarding, and arrival facilities.
  • B. Terminal 2B
    Terminal 2B is one of the passenger terminals at Budapest Ferenc Liszt International Airport, primarily serving international flights and Schengen-area traffic.
  • C. Terminal 2B
    Terminal 2B is one of the sub-terminals within Barcelona–El Prat Airport’s Terminal 2 complex, serving as a dedicated passenger area with its own gates and facilities.
  • D. Terminal 2C
    Terminal 2C is one of the passenger terminals at Paris Charles de Gaulle Airport, serving various international and European flights with check-in, boarding, and arrival facilities.
  • E. Terminal 2C
    Terminal 2C is one of the sub-terminals within Barcelona–El Prat Airport’s Terminal 2 complex, serving as a dedicated passenger facility for specific airlines and flights.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Terminal 2B
Target entity description: Terminal 2B is a satellite concourse of Heathrow Airport’s Terminal 2, serving additional aircraft gates and passenger boarding areas.
  • A. Terminal 2B
    Terminal 2B is one of the passenger terminals at Paris Charles de Gaulle Airport, serving various international and European flights with check-in, boarding, and arrival facilities.
  • B. Terminal 2B
    Terminal 2B is one of the passenger terminals at Budapest Ferenc Liszt International Airport, primarily serving international flights and Schengen-area traffic.
  • C. Terminal 2B
    Terminal 2B is one of the sub-terminals within Barcelona–El Prat Airport’s Terminal 2 complex, serving as a dedicated passenger area with its own gates and facilities.
  • D. Terminal 2C
    Terminal 2C is one of the passenger terminals at Paris Charles de Gaulle Airport, serving various international and European flights with check-in, boarding, and arrival facilities.
  • E. Terminal 2C
    Terminal 2C is one of the sub-terminals within Barcelona–El Prat Airport’s Terminal 2 complex, serving as a dedicated passenger facility for specific airlines and flights.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Terminal 2B
Triple: [Heathrow Terminal 2, hasSubFacility, Terminal 2B]
Generated description
Terminal 2B is a satellite concourse of Heathrow Airport’s Terminal 2, serving additional aircraft gates and passenger boarding areas.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d806b5a3c08190b42c267fb092f98a elicitation completed
NER batch_69d99cff44e08190b9583baf0b626e42 ner completed
NED1 batch_69f7267132488190a62930e98be70640 ned_source_triple completed
NED2 batch_69f727d063c4819084b4990a0d759f79 ned_description completed
NEDg batch_69f7270bf9308190a3e9427ffce0e3ee nedg completed
Created at: April 9, 2026, 9:30 p.m.