Triple

T7721134
Position Surface form Disambiguated ID Type / Status
Subject Lilydale line E175012 entity
Predicate hasStation P35 FINISHED
Object Mitcham railway station
Mitcham railway station is a suburban commuter rail station in Melbourne, Australia, serving the local community on the city’s eastern rail network.
 E687415 NE FINISHED

How this triple was built (4 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: Mitcham railway station | Statement: [Lilydale line, hasStation, Mitcham railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mitcham railway station
Context triple: [Lilydale line, hasStation, Mitcham railway station]
  • A. Mitcham Junction railway station
    Mitcham Junction railway station is a transport hub in the London Borough of Merton that serves both National Rail services and Tramlink, providing connections between central London and suburban areas.
  • B. Mitcham Eastfields railway station
    Mitcham Eastfields railway station is a suburban rail station in the London Borough of Merton, served by trains on the Sutton Loop Line between central London and south London suburbs.
  • C. Parramatta railway station
    Parramatta railway station is a major suburban and intercity train hub in Western Sydney, Australia, serving the busy commercial and residential centre of Parramatta.
  • D. Macquarie Fields railway station
    Macquarie Fields railway station is a suburban passenger rail station in Sydney, New South Wales, serving the Macquarie Fields area on the city’s metropolitan train network.
  • E. Burwood railway station
    Burwood railway station is a suburban train station in Melbourne, Australia, serving the local community on the Alamein line.
  • 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: Mitcham railway station
Triple: [Lilydale line, hasStation, Mitcham railway station]
Generated description
Mitcham railway station is a suburban commuter rail station in Melbourne, Australia, serving the local community on the city’s eastern rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mitcham railway station
Target entity description: Mitcham railway station is a suburban commuter rail station in Melbourne, Australia, serving the local community on the city’s eastern rail network.
  • A. Mitcham Junction railway station
    Mitcham Junction railway station is a transport hub in the London Borough of Merton that serves both National Rail services and Tramlink, providing connections between central London and suburban areas.
  • B. Mitcham Eastfields railway station
    Mitcham Eastfields railway station is a suburban rail station in the London Borough of Merton, served by trains on the Sutton Loop Line between central London and south London suburbs.
  • C. Parramatta railway station
    Parramatta railway station is a major suburban and intercity train hub in Western Sydney, Australia, serving the busy commercial and residential centre of Parramatta.
  • D. Macquarie Fields railway station
    Macquarie Fields railway station is a suburban passenger rail station in Sydney, New South Wales, serving the Macquarie Fields area on the city’s metropolitan train network.
  • E. Burwood railway station
    Burwood railway station is a suburban train station in Melbourne, Australia, serving the local community on the Alamein line.
  • F. None of above. chosen

Provenance (5 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_69c6995d541c81909eaa646b1a8369a9 completed March 27, 2026, 2:51 p.m.
NER Named-entity recognition batch_69c702f0366c8190a78f0b03f090fc2c completed March 27, 2026, 10:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8c7beffc48190b39048b6afc1d644 completed March 29, 2026, 6:33 a.m.
NEDg Description generation batch_69c8c8698a388190a47d6636fe5d2bb4 completed March 29, 2026, 6:36 a.m.
NED2 Entity disambiguation (via description) batch_69c8c8f3873481908ef6efb2e39272db completed March 29, 2026, 6:38 a.m.
Created at: March 27, 2026, 4:05 p.m.