Triple
T1371153
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Flinders Street Station |
E30114
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object |
Metro Trains Melbourne
Metro Trains Melbourne is the suburban rail operator responsible for running Melbourne’s metropolitan train network under contract to the Victorian government.
|
E158336
|
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: Metro Trains Melbourne | Statement: [Flinders Street Station, operatedBy, Metro Trains Melbourne]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metro Trains Melbourne Context triple: [Flinders Street Station, operatedBy, Metro Trains Melbourne]
-
A.
TPG tram network
The TPG tram network is the urban tram system serving Geneva, Switzerland, operated by Transports Publics Genevois as part of the city’s public transport network.
-
B.
Sydney Trains
Sydney Trains is a government-owned suburban rail network operator serving the greater Sydney metropolitan area in New South Wales, Australia.
-
C.
Metro Rail
Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
-
D.
Line 4 Sheppard
Line 4 Sheppard is a short, east–west subway line in Toronto’s transit system that primarily serves the Sheppard Avenue corridor in the city’s north end.
-
E.
Metro SubwayLink
Metro SubwayLink is Baltimore’s rapid transit subway system, providing high-frequency rail service across key corridors in the Baltimore metropolitan area.
- 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: Metro Trains Melbourne Triple: [Flinders Street Station, operatedBy, Metro Trains Melbourne]
Generated description
Metro Trains Melbourne is the suburban rail operator responsible for running Melbourne’s metropolitan train network under contract to the Victorian government.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Metro Trains Melbourne Target entity description: Metro Trains Melbourne is the suburban rail operator responsible for running Melbourne’s metropolitan train network under contract to the Victorian government.
-
A.
TPG tram network
The TPG tram network is the urban tram system serving Geneva, Switzerland, operated by Transports Publics Genevois as part of the city’s public transport network.
-
B.
Sydney Trains
Sydney Trains is a government-owned suburban rail network operator serving the greater Sydney metropolitan area in New South Wales, Australia.
-
C.
Metro Rail
Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
-
D.
Line 4 Sheppard
Line 4 Sheppard is a short, east–west subway line in Toronto’s transit system that primarily serves the Sheppard Avenue corridor in the city’s north end.
-
E.
Metro SubwayLink
Metro SubwayLink is Baltimore’s rapid transit subway system, providing high-frequency rail service across key corridors in the Baltimore metropolitan area.
- 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_69a498f912008190a376a98b207b2071 |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c2f314c081909c0ab80397d96abb |
completed | March 1, 2026, 10:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acd481de608190bed1dc385209320e |
completed | March 8, 2026, 1:44 a.m. |
| NEDg | Description generation | batch_69acd6a03b70819096bdf7ec3b447756 |
completed | March 8, 2026, 1:53 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69acd71971448190940136b8a44040be |
completed | March 8, 2026, 1:55 a.m. |
Created at: March 1, 2026, 7:57 p.m.