Triple
T15292506
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fermi station |
E365561
|
entity |
| Predicate | servesLine |
P839
|
FINISHED |
| Object |
Turin Metro Line 1
Turin Metro Line 1 is the first fully automated rapid transit line in Turin, Italy, running on a VAL system and connecting key areas of the city from the outskirts to the center.
|
E74302
|
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: Turin Metro Line 1 | Statement: [Fermi station, servesLine, Turin Metro Line 1]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Turin Metro Line 1 Context triple: [Fermi station, servesLine, Turin Metro Line 1]
-
A.
Turin Metro
The Turin Metro is a fully automated, driverless rapid transit system serving the city of Turin, Italy.
-
B.
Genoa Metro Line 1
Genoa Metro Line 1 is the primary light metro line serving the Italian city of Genoa, connecting key central and suburban areas through an underground rapid transit system.
-
C.
Milan Metro Line 1
Milan Metro Line 1 is the oldest and one of the main rapid transit lines in Milan, Italy, running primarily on an east–west axis and serving key commercial and exhibition areas of the city.
-
D.
Brescia Metro
Brescia Metro is a fully automated light metro system serving the city of Brescia in northern Italy.
-
E.
Milan Metro
The Milan Metro is the rapid transit system serving Milan, Italy, forming the backbone of the city’s public transportation network with multiple underground lines connecting central and suburban areas.
- 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: Turin Metro Line 1 Triple: [Fermi station, servesLine, Turin Metro Line 1]
Generated description
Turin Metro Line 1 is the first fully automated rapid transit line in Turin, Italy, running on a VAL system and connecting key areas of the city from the outskirts to the center.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Turin Metro Line 1 Target entity description: Turin Metro Line 1 is the first fully automated rapid transit line in Turin, Italy, running on a VAL system and connecting key areas of the city from the outskirts to the center.
-
A.
Turin Metro
chosen
The Turin Metro is a fully automated, driverless rapid transit system serving the city of Turin, Italy.
-
B.
Genoa Metro Line 1
Genoa Metro Line 1 is the primary light metro line serving the Italian city of Genoa, connecting key central and suburban areas through an underground rapid transit system.
-
C.
Milan Metro Line 1
Milan Metro Line 1 is the oldest and one of the main rapid transit lines in Milan, Italy, running primarily on an east–west axis and serving key commercial and exhibition areas of the city.
-
D.
Brescia Metro
Brescia Metro is a fully automated light metro system serving the city of Brescia in northern Italy.
-
E.
Milan Metro
The Milan Metro is the rapid transit system serving Milan, Italy, forming the backbone of the city’s public transportation network with multiple underground lines connecting central and suburban areas.
- F. None of above.
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_69d85a103d9081908c1ea6c4c73ac8e3 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e03680b60c8190a3ea54a9d34c8105 |
completed | April 16, 2026, 1:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff364bafd0819086b8aab1c216c6fa |
completed | May 9, 2026, 1:27 p.m. |
| NEDg | Description generation | batch_69ff36d249348190b9ad754cd8fdfd8b |
completed | May 9, 2026, 1:29 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff37179708819097a2a34c9bf7a9a1 |
completed | May 9, 2026, 1:31 p.m. |
Created at: April 10, 2026, 3:15 a.m.