Triple

T14268881
Position Surface form Disambiguated ID Type / Status
Subject T2 Inner West & Leppington Line E353723 entity
Predicate usesRailwayLine P15040 FINISHED
Object Leppington Line
The Leppington Line is a suburban railway line in Sydney, Australia, serving the city’s south‑western growth areas and connecting them to the broader metropolitan rail network.
E1094961 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: Leppington Line | Statement: [T2 Inner West & Leppington Line, usesRailwayLine, Leppington Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Leppington Line
Context triple: [T2 Inner West & Leppington Line, usesRailwayLine, Leppington Line]
  • A. Cranleigh Line
    The Cranleigh Line was a former railway route in Surrey, England, that connected Guildford to Horsham and served rural communities including the village of Cranleigh before its closure in the 1960s.
  • B. Tonbridge Line
    The Tonbridge Line is a railway route in southeast England that links London with the town of Tonbridge and connects to several other regional lines.
  • C. Gainsborough Line
    The Gainsborough Line is a rural railway route in Suffolk, England, linking Marks Tey with Sudbury and serving local communities along the Stour Valley.
  • D. Churnet Valley Line
    The Churnet Valley Line is a historic railway route in Staffordshire, England, known for following the scenic Churnet Valley and now partly operating as a heritage railway.
  • E. Crouch Valley Line
    Crouch Valley Line is a rural railway branch line in Essex, England, running between Wickford and Southminster and serving communities along the River Crouch.
  • 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: Leppington Line
Triple: [T2 Inner West & Leppington Line, usesRailwayLine, Leppington Line]
Generated description
The Leppington Line is a suburban railway line in Sydney, Australia, serving the city’s south‑western growth areas and connecting them to the broader metropolitan rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Leppington Line
Target entity description: The Leppington Line is a suburban railway line in Sydney, Australia, serving the city’s south‑western growth areas and connecting them to the broader metropolitan rail network.
  • A. Cranleigh Line
    The Cranleigh Line was a former railway route in Surrey, England, that connected Guildford to Horsham and served rural communities including the village of Cranleigh before its closure in the 1960s.
  • B. Tonbridge Line
    The Tonbridge Line is a railway route in southeast England that links London with the town of Tonbridge and connects to several other regional lines.
  • C. Gainsborough Line
    The Gainsborough Line is a rural railway route in Suffolk, England, linking Marks Tey with Sudbury and serving local communities along the Stour Valley.
  • D. Churnet Valley Line
    The Churnet Valley Line is a historic railway route in Staffordshire, England, known for following the scenic Churnet Valley and now partly operating as a heritage railway.
  • E. Crouch Valley Line
    Crouch Valley Line is a rural railway branch line in Essex, England, running between Wickford and Southminster and serving communities along the River Crouch.
  • 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_69d8278d25148190abf1a8c8f5f533ad completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de657fe6708190b41de48c43cff647 completed April 14, 2026, 4:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd4c2e7ee081909a70c9d9b32b6ce5 completed May 8, 2026, 2:36 a.m.
NEDg Description generation batch_69fd4db57db88190920ee7355aff575d completed May 8, 2026, 2:43 a.m.
NED2 Entity disambiguation (via description) batch_69fd4e1923e881909a25505f5aa4f12b completed May 8, 2026, 2:44 a.m.
Created at: April 10, 2026, 1:10 a.m.