Triple

T14617284
Position Surface form Disambiguated ID Type / Status
Subject Sydney light rail E343117 entity
Predicate connectsHub P423 FINISHED
Object Central Station
Central Station is Sydney’s largest and busiest railway hub, serving as a major interchange for suburban, intercity, and light rail services.
 E1110771 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: Central Station | Statement: [Sydney light rail, connectsHub, Central Station]

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: Central Station
Context triple: [Sydney light rail, connectsHub, Central Station]
  • A. Central Station
    Central Station is a 1998 Brazilian drama film by Walter Salles that follows the emotional journey of a retired schoolteacher and a young boy traveling across Brazil in search of his father.
  • B. Central Station
    Central Station is a key light rail stop on the METRO Green Line serving as an important transit hub in its area.
  • C. Central Station
    Central Station was the original name of Lisbon’s historic Rossio railway station, a key 19th-century rail hub known for its distinctive Neo-Manueline architecture.
  • D. Central Station
    Central Station is a key elevated stop on Jacksonville’s automated Skyway people mover system in downtown Jacksonville, Florida.
  • E. Upper Station
    Upper Station is the hilltop terminal of Pittsburgh’s historic Duquesne Incline funicular, serving as its upper boarding and observation point.
  • 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: Central Station
Target entity description: Central Station is Sydney’s largest and busiest railway hub, serving as a major interchange for suburban, intercity, and light rail services.
  • A. Central Station
    Central Station is a 1998 Brazilian drama film by Walter Salles that follows the emotional journey of a retired schoolteacher and a young boy traveling across Brazil in search of his father.
  • B. Central Station
    Central Station is a key light rail stop on the METRO Green Line serving as an important transit hub in its area.
  • C. Central Station
    Central Station was the original name of Lisbon’s historic Rossio railway station, a key 19th-century rail hub known for its distinctive Neo-Manueline architecture.
  • D. Central Station
    Central Station is a key elevated stop on Jacksonville’s automated Skyway people mover system in downtown Jacksonville, Florida.
  • E. Upper Station
    Upper Station is the hilltop terminal of Pittsburgh’s historic Duquesne Incline funicular, serving as its upper boarding and observation point.
  • 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: Central Station
Triple: [Sydney light rail, connectsHub, Central Station]
Generated description
Central Station is Sydney’s largest and busiest railway hub, serving as a major interchange for suburban, intercity, and light rail services.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d822dec68081908c2553145c4051dc elicitation completed
NER batch_69deb46439b88190a4affcc7ccedab6b ner completed
NED1 batch_69fda924c7308190931c03fbac57b0bf ned_source_triple completed
NED2 batch_69fdb36bd50c8190a8af992fe4b12bb6 ned_description completed
NEDg batch_69fdb234bc1c8190a85c802dfcfa7909 nedg completed
Created at: April 10, 2026, 1:25 a.m.