Triple

T11846824
Position Surface form Disambiguated ID Type / Status
Subject Mandurah railway line E281798 entity
Predicate hasStation P35 FINISHED
Object Cockburn Central station
Cockburn Central station is a suburban passenger railway station in Perth, Western Australia, serving the Cockburn Central area on the Mandurah line.
 E949364 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: Cockburn Central station | Statement: [Mandurah railway line, hasStation, Cockburn Central station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cockburn Central station
Context triple: [Mandurah railway line, hasStation, Cockburn Central station]
  • A. Dempster station
    Dempster station is a Chicago Transit Authority 'L' station in Evanston, Illinois, serving the Purple Line.
  • B. Caledonia station
    Caledonia station is a public transit stop in Toronto, Ontario, serving the Briar Hill–Belgravia neighborhood as part of the city's subway and light rail network.
  • C. Cumming station
    Cumming station is an underground stop on Santiago’s Metro network, serving Line 5 in the central area of Chile’s capital city.
  • D. Broadview station
    Broadview station is a major Toronto Transit Commission subway and streetcar hub located in the city's east end near the Danforth.
  • E. Woodside Park station
    Woodside Park station is a London Underground station in the Finchley area of north London, served by the Northern 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: Cockburn Central station
Triple: [Mandurah railway line, hasStation, Cockburn Central station]
Generated description
Cockburn Central station is a suburban passenger railway station in Perth, Western Australia, serving the Cockburn Central area on the Mandurah line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cockburn Central station
Target entity description: Cockburn Central station is a suburban passenger railway station in Perth, Western Australia, serving the Cockburn Central area on the Mandurah line.
  • A. Dempster station
    Dempster station is a Chicago Transit Authority 'L' station in Evanston, Illinois, serving the Purple Line.
  • B. Caledonia station
    Caledonia station is a public transit stop in Toronto, Ontario, serving the Briar Hill–Belgravia neighborhood as part of the city's subway and light rail network.
  • C. Cumming station
    Cumming station is an underground stop on Santiago’s Metro network, serving Line 5 in the central area of Chile’s capital city.
  • D. Broadview station
    Broadview station is a major Toronto Transit Commission subway and streetcar hub located in the city's east end near the Danforth.
  • E. Woodside Park station
    Woodside Park station is a London Underground station in the Finchley area of north London, served by the Northern 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_69d6ab287ba48190a5178779fd19b9b7 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8a65b5ff08190bb58361f6a6acdca completed April 10, 2026, 7:27 a.m.
NED1 Entity disambiguation (via context triple) batch_69f167a876048190aeeeccebae9e46ad completed April 29, 2026, 2:06 a.m.
NEDg Description generation batch_69f17005c318819090e54bc64d135477 completed April 29, 2026, 2:42 a.m.
NED2 Entity disambiguation (via description) batch_69f17814de1881908973af026af5d1d1 completed April 29, 2026, 3:16 a.m.
Created at: April 8, 2026, 9:43 p.m.