Triple
T548194
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Main Southern railway line |
E12777
|
entity |
| Predicate | startPoint |
P389
|
FINISHED |
| Object |
Sydney Central station
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.
|
E68837
|
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: Sydney Central station | Statement: [Main Southern railway line, startPoint, Sydney Central station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sydney Central station Context triple: [Main Southern railway line, startPoint, Sydney Central station]
-
A.
Flinders Street Station
Flinders Street Station is Melbourne’s iconic central railway hub, renowned for its historic architecture and prominent location at the heart of the city.
-
B.
Waverley station
Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
-
C.
Finch station
Finch station is a major subway terminus and transit hub in northern Toronto, serving as a key endpoint of the city's primary north–south rapid transit corridor.
-
D.
Wellington station
Wellington station is a Massachusetts Bay Transportation Authority (MBTA) Orange Line rapid transit station serving the city of Malden, Massachusetts.
-
E.
Victoria Station
Victoria Station is a major railway and tram interchange in Manchester, England, serving as a key transport hub for regional and national rail services.
- 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: Sydney Central station Triple: [Main Southern railway line, startPoint, Sydney Central station]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sydney Central station Target entity description: 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.
-
A.
Flinders Street Station
Flinders Street Station is Melbourne’s iconic central railway hub, renowned for its historic architecture and prominent location at the heart of the city.
-
B.
Waverley station
Waverley station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Belmont, Massachusetts, serving the Fitchburg Line.
-
C.
Finch station
Finch station is a major subway terminus and transit hub in northern Toronto, serving as a key endpoint of the city's primary north–south rapid transit corridor.
-
D.
Wellington station
Wellington station is a Massachusetts Bay Transportation Authority (MBTA) Orange Line rapid transit station serving the city of Malden, Massachusetts.
-
E.
Victoria Station
Victoria Station is a major railway and tram interchange in Manchester, England, serving as a key transport hub for regional and national rail services.
- 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_69a49334226c81908b0ea1689ef6aa3f |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49900895c819092a131c185a758bf |
completed | March 1, 2026, 7:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4e02e0c1c81908fcb5356dc2b8f97 |
completed | March 2, 2026, 12:56 a.m. |
| NEDg | Description generation | batch_69a4e124306c8190bce165e684507553 |
completed | March 2, 2026, 1 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4e1e73b0c8190b4f050f76f8e58de |
completed | March 2, 2026, 1:03 a.m. |
Created at: March 1, 2026, 7:32 p.m.