Triple
T14820989
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sydney to Blue Mountains Intercity Line |
E348449
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Sydney Central railway station |
E68837
|
NE FINISHED |
How this triple was built (2 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: Sydney Central railway station | Statement: [Sydney to Blue Mountains Intercity Line, terminus, Sydney Central railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sydney Central railway station Context triple: [Sydney to Blue Mountains Intercity Line, terminus, Sydney Central railway station]
-
A.
Sydney Central station
chosen
Sydney Central station is the largest and busiest railway station in Sydney, serving as the city’s primary rail hub for suburban, intercity, and regional services.
-
B.
Sydney Airport railway station
Sydney Airport railway station is a major public transport hub on Sydney's Airport Link line that provides direct train access between the city's rail network and the airport terminals.
-
C.
Melbourne Central railway station
Melbourne Central railway station is a major underground train station in Melbourne’s central business district, integrated with the Melbourne Central shopping centre and serving as a key hub on the city’s metropolitan rail network.
-
D.
Southern Cross Station
Southern Cross Station is a major railway and transport hub in Melbourne, Australia, renowned for its distinctive undulating roof and contemporary architectural design.
-
E.
North Sydney railway station
North Sydney railway station is a major commuter rail hub on Sydney’s North Shore line, serving the North Sydney business district just north of the Sydney Harbour Bridge.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d822eb8f588190bf53445e730a934f |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69decfe64328819083ce42704cf0602d |
completed | April 14, 2026, 11:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fec870cea08190962434fc2647fd67 |
completed | May 9, 2026, 5:38 a.m. |
Created at: April 10, 2026, 1:50 a.m.