Triple

T14477689
Position Surface form Disambiguated ID Type / Status
Subject Gwabegar railway line E359014 entity
Predicate hasTerminus P388 FINISHED
Object Blacktown railway station
Blacktown railway station is a major suburban rail hub in western Sydney, New South Wales, serving as an important interchange for multiple train lines and bus services.
 E1104847 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: Blacktown railway station | Statement: [Gwabegar railway line, hasTerminus, Blacktown railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Blacktown railway station
Context triple: [Gwabegar railway line, hasTerminus, Blacktown railway station]
  • A. Burwood railway station
    Burwood railway station is a suburban train station in Melbourne, Australia, serving the local community on the Alamein line.
  • B. Narara railway station
    Narara railway station is a suburban train station on the Central Coast of New South Wales, Australia, serving the Narara area on the Main Northern line.
  • 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. Hurstville railway station
    Hurstville railway station is a major suburban train station in Sydney, New South Wales, serving the busy commercial and residential hub of Hurstville.
  • E. 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.
  • 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: Blacktown railway station
Triple: [Gwabegar railway line, hasTerminus, Blacktown railway station]
Generated description
Blacktown railway station is a major suburban rail hub in western Sydney, New South Wales, serving as an important interchange for multiple train lines and bus services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Blacktown railway station
Target entity description: Blacktown railway station is a major suburban rail hub in western Sydney, New South Wales, serving as an important interchange for multiple train lines and bus services.
  • A. Burwood railway station
    Burwood railway station is a suburban train station in Melbourne, Australia, serving the local community on the Alamein line.
  • B. Narara railway station
    Narara railway station is a suburban train station on the Central Coast of New South Wales, Australia, serving the Narara area on the Main Northern line.
  • 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. Hurstville railway station
    Hurstville railway station is a major suburban train station in Sydney, New South Wales, serving the busy commercial and residential hub of Hurstville.
  • E. 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.
  • 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_69d827966698819082e140837737501d completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de9248edb48190a74eb032aeaac027 completed April 14, 2026, 7:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd7a3e32fc8190822aeb633b60af6b completed May 8, 2026, 5:53 a.m.
NEDg Description generation batch_69fd7bf6b13481908307a2037d0de804 completed May 8, 2026, 6 a.m.
NED2 Entity disambiguation (via description) batch_69fd7ce0d8a0819083ba348412d76ee5 completed May 8, 2026, 6:04 a.m.
Created at: April 10, 2026, 1:20 a.m.