Triple
T7949462
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Milano Cadorna station |
E184577
|
entity |
| Predicate | metroServicesOperatedBy |
P31751
|
FINISHED |
| Object |
Azienda Trasporti Milanesi
Azienda Trasporti Milanesi is the public transport company responsible for operating Milan’s urban transit network, including its metro, trams, and buses.
|
E704596
|
NE FINISHED |
How this triple was built (5 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: Azienda Trasporti Milanesi | Statement: [Milano Cadorna station, metroServicesOperatedBy, Azienda Trasporti Milanesi]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Azienda Trasporti Milanesi Context triple: [Milano Cadorna station, metroServicesOperatedBy, Azienda Trasporti Milanesi]
-
A.
Gruppo Torinese Trasporti
Gruppo Torinese Trasporti is the main public transport company serving the Turin metropolitan area in Italy, managing services such as buses, trams, and the Turin Metro.
-
B.
Tramvia Metropolità S.A.
Tramvia Metropolità S.A. is the company responsible for managing and operating parts of the modern tram network serving the Barcelona metropolitan area.
-
C.
BC Rapid Transit Company
BC Rapid Transit Company is the public agency responsible for operating and managing metro and light rail transit services in the Metro Vancouver region of British Columbia, Canada.
-
D.
Piave Lines
Piave Lines is a military accommodation and training area within Catterick Garrison, one of the major British Army bases in North Yorkshire, England.
-
E.
Urban Rail Transport S.A.
Urban Rail Transport S.A. is the public company responsible for operating and managing urban rail systems in Athens, Greece, including metro and tram 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: Azienda Trasporti Milanesi Triple: [Milano Cadorna station, metroServicesOperatedBy, Azienda Trasporti Milanesi]
Generated description
Azienda Trasporti Milanesi is the public transport company responsible for operating Milan’s urban transit network, including its metro, trams, and buses.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Azienda Trasporti Milanesi Target entity description: Azienda Trasporti Milanesi is the public transport company responsible for operating Milan’s urban transit network, including its metro, trams, and buses.
-
A.
Gruppo Torinese Trasporti
Gruppo Torinese Trasporti is the main public transport company serving the Turin metropolitan area in Italy, managing services such as buses, trams, and the Turin Metro.
-
B.
Tramvia Metropolità S.A.
Tramvia Metropolità S.A. is the company responsible for managing and operating parts of the modern tram network serving the Barcelona metropolitan area.
-
C.
BC Rapid Transit Company
BC Rapid Transit Company is the public agency responsible for operating and managing metro and light rail transit services in the Metro Vancouver region of British Columbia, Canada.
-
D.
Piave Lines
Piave Lines is a military accommodation and training area within Catterick Garrison, one of the major British Army bases in North Yorkshire, England.
-
E.
Urban Rail Transport S.A.
Urban Rail Transport S.A. is the public company responsible for operating and managing urban rail systems in Athens, Greece, including metro and tram services.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: metroServicesOperatedBy Context triple: [Milano Cadorna station, metroServicesOperatedBy, Azienda Trasporti Milanesi]
-
A.
subwayServices
Indicates that one entity provides or operates subway transportation services for another entity or area.
-
B.
transportationServedBy
Indicates that a transportation facility, route, or area is provided service or coverage by a specific transportation provider or mode.
-
C.
partOfTransitSystem
Indicates that something is a component or segment within a larger transit or transportation system.
-
D.
subwayOperation
Indicates the operation or running of a subway system, relating transit services to the times, routes, or conditions under which subway trains are in service.
-
E.
operatedPassengerServices
chosen
Indicates that an entity provided and managed transportation services specifically for carrying passengers.
- F. None of above.
Provenance (6 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_69ca8292cba881908a64427b938dac47 |
completed | March 30, 2026, 2:02 p.m. |
| NER | Named-entity recognition | batch_69cb3b2d09a4819097aa49e29a5426ec |
completed | March 31, 2026, 3:10 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cbe03c7d308190aec1172415be995c |
completed | March 31, 2026, 2:54 p.m. |
| NEDg | Description generation | batch_69cbe4383d0c819085e7c95e7b0be16e |
completed | March 31, 2026, 3:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cc34a83cec81908aba7afbaea53449 |
completed | March 31, 2026, 8:55 p.m. |
| PD | Predicate disambiguation | batch_69cae9361bc48190886b7681e563d46b |
completed | March 30, 2026, 9:20 p.m. |
Created at: March 30, 2026, 5:10 p.m.