Triple
T599660
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Milan |
E11464
|
entity |
| Predicate | railwayHub |
P726
|
FINISHED |
| Object |
Milano Centrale railway station
Milano Centrale railway station is the main intercity and international train terminal in Milan, known for its grand architecture and role as one of Italy’s busiest transport hubs.
|
E74715
|
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: Milano Centrale railway station | Statement: [Milan, railwayHub, Milano Centrale railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Milano Centrale railway station Context triple: [Milan, railwayHub, Milano Centrale railway station]
-
A.
Torino Porta Nuova
Torino Porta Nuova is the main railway station in Turin, Italy, serving as a major national and international transport hub.
-
B.
Gare de l'Est
Gare de l'Est is one of Paris's major railway stations, serving eastern France and international destinations such as Germany and Luxembourg.
-
C.
Torino Porta Susa
Torino Porta Susa is a major high-speed and regional railway hub in Turin, Italy, serving as one of the city’s principal train stations.
-
D.
Turin Metro
The Turin Metro is a fully automated, driverless rapid transit system serving the city of Turin, Italy.
-
E.
Zurich Hauptbahnhof
Zurich Hauptbahnhof is Switzerland’s largest and busiest railway station, serving as a central national and international rail hub in the city of Zurich.
- 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: Milano Centrale railway station Triple: [Milan, railwayHub, Milano Centrale railway station]
Generated description
Milano Centrale railway station is the main intercity and international train terminal in Milan, known for its grand architecture and role as one of Italy’s busiest transport hubs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Milano Centrale railway station Target entity description: Milano Centrale railway station is the main intercity and international train terminal in Milan, known for its grand architecture and role as one of Italy’s busiest transport hubs.
-
A.
Torino Porta Nuova
Torino Porta Nuova is the main railway station in Turin, Italy, serving as a major national and international transport hub.
-
B.
Gare de l'Est
Gare de l'Est is one of Paris's major railway stations, serving eastern France and international destinations such as Germany and Luxembourg.
-
C.
Torino Porta Susa
Torino Porta Susa is a major high-speed and regional railway hub in Turin, Italy, serving as one of the city’s principal train stations.
-
D.
Turin Metro
The Turin Metro is a fully automated, driverless rapid transit system serving the city of Turin, Italy.
-
E.
Zurich Hauptbahnhof
Zurich Hauptbahnhof is Switzerland’s largest and busiest railway station, serving as a central national and international rail hub in the city of Zurich.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: railwayHub Context triple: [Milan, railwayHub, Milano Centrale railway station]
-
A.
railwayJunctionFor
Indicates that a location serves as a junction point where multiple railway lines or routes connect or intersect for a given railway network or service.
-
B.
usesRailInfrastructureOf
Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
-
C.
railwayUse
Indicates that something is used as, or functions in the capacity of, a railway or rail-based transportation facility.
-
D.
railwayRegion
Indicates a relationship where a railway or rail network is associated with, located in, or administered within a particular geographic region.
-
E.
hasRailStation
chosen
Indicates that one entity possesses, contains, or is served by a rail station.
- 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_69a4932779b881908688590d59c71900 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49dc4f7d08190990f70b9b3af6ce5 |
completed | March 1, 2026, 8:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a51f37f8748190bff705fd2bbc489c |
completed | March 2, 2026, 5:25 a.m. |
| NEDg | Description generation | batch_69a51fd2fe2881909a2cddf344149eeb |
completed | March 2, 2026, 5:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a52036174c81909a1e2aabad8fdad1 |
completed | March 2, 2026, 5:29 a.m. |
| PD | Predicate disambiguation | batch_69a49cf59cd0819084e67981cb371e25 |
completed | March 1, 2026, 8:09 p.m. |
Created at: March 1, 2026, 7:35 p.m.