Triple
T9956471
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Colosseo metro station |
E195458
|
entity |
| Predicate | line |
P1293
|
FINISHED |
| Object |
Rome Metro Line B
Rome Metro Line B is one of the main lines of the Rome Metro system, running through central and southern parts of the city and serving key sites such as the Colosseum.
|
E831885
|
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: Rome Metro Line B | Statement: [Colosseo metro station, line, Rome Metro Line B]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rome Metro Line B Context triple: [Colosseo metro station, line, Rome Metro Line B]
-
A.
Rome Metro network
The Rome Metro network is the rapid transit system serving Italy’s capital, consisting of multiple underground and suburban rail lines that connect central Rome with its surrounding districts and transport hubs.
-
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.
Turin Metro
The Turin Metro is a fully automated, driverless rapid transit system serving the city of Turin, Italy.
-
E.
Milan Metro Line 2
Milan Metro Line 2 is one of the main rapid transit lines in Milan, Italy, running in a predominantly northeast–southwest direction and serving key residential and commercial areas across the city.
- 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: Rome Metro Line B Triple: [Colosseo metro station, line, Rome Metro Line B]
Generated description
Rome Metro Line B is one of the main lines of the Rome Metro system, running through central and southern parts of the city and serving key sites such as the Colosseum.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Rome Metro Line B Target entity description: Rome Metro Line B is one of the main lines of the Rome Metro system, running through central and southern parts of the city and serving key sites such as the Colosseum.
-
A.
Rome Metro network
The Rome Metro network is the rapid transit system serving Italy’s capital, consisting of multiple underground and suburban rail lines that connect central Rome with its surrounding districts and transport hubs.
-
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.
Turin Metro
The Turin Metro is a fully automated, driverless rapid transit system serving the city of Turin, Italy.
-
E.
Milan Metro Line 2
Milan Metro Line 2 is one of the main rapid transit lines in Milan, Italy, running in a predominantly northeast–southwest direction and serving key residential and commercial areas across the city.
- 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_69ca82eaaa008190a54fa1a9f954b9ad |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cdb6976b50819097a0ae347354e92c |
completed | April 2, 2026, 12:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d23d71342081908084c27790ef4fcc |
completed | April 5, 2026, 10:46 a.m. |
| NEDg | Description generation | batch_69d23fb02c6081909f2c99ca21c90822 |
completed | April 5, 2026, 10:55 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d24047ae4081909678ca9cf6cfbfff |
completed | April 5, 2026, 10:58 a.m. |
Created at: March 30, 2026, 8:46 p.m.