Triple
T9814038
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alessandria |
E238351
|
entity |
| Predicate | railJunction |
P14468
|
FINISHED |
| Object |
Alessandria–Piacenza railway
The Alessandria–Piacenza railway is an Italian rail line connecting the cities of Alessandria in Piedmont and Piacenza in Emilia-Romagna, serving as an important regional transport corridor.
|
E826134
|
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: Alessandria–Piacenza railway | Statement: [Alessandria, railJunction, Alessandria–Piacenza railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alessandria–Piacenza railway Context triple: [Alessandria, railJunction, Alessandria–Piacenza railway]
-
A.
Bologna–Ferrara railway
The Bologna–Ferrara railway is a key rail line in northern Italy that connects the major transport hub of Bologna with the city of Ferrara, serving both regional and long-distance traffic.
-
B.
Bologna–Pistoia railway
The Bologna–Pistoia railway is a major Italian rail line crossing the Apennines to connect the Emilia-Romagna city of Bologna with Pistoia in Tuscany.
-
C.
Verona–Bologna railway
The Verona–Bologna railway is a major Italian rail line connecting the cities of Verona and Bologna, serving as an important north–south transport corridor in northern Italy.
-
D.
Cuneo–Ventimiglia railway
The Cuneo–Ventimiglia railway is a transalpine rail line in northwestern Italy that connects the Piedmont region with the Ligurian coast and France through a series of tunnels and mountain passes.
-
E.
Luino–Milan railway
The Luino–Milan railway is a rail line in northern Italy that connects the town of Luino near the Swiss border with the major city of Milan, serving both regional passenger and freight traffic.
- 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: Alessandria–Piacenza railway Triple: [Alessandria, railJunction, Alessandria–Piacenza railway]
Generated description
The Alessandria–Piacenza railway is an Italian rail line connecting the cities of Alessandria in Piedmont and Piacenza in Emilia-Romagna, serving as an important regional transport corridor.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Alessandria–Piacenza railway Target entity description: The Alessandria–Piacenza railway is an Italian rail line connecting the cities of Alessandria in Piedmont and Piacenza in Emilia-Romagna, serving as an important regional transport corridor.
-
A.
Bologna–Ferrara railway
The Bologna–Ferrara railway is a key rail line in northern Italy that connects the major transport hub of Bologna with the city of Ferrara, serving both regional and long-distance traffic.
-
B.
Bologna–Pistoia railway
The Bologna–Pistoia railway is a major Italian rail line crossing the Apennines to connect the Emilia-Romagna city of Bologna with Pistoia in Tuscany.
-
C.
Verona–Bologna railway
The Verona–Bologna railway is a major Italian rail line connecting the cities of Verona and Bologna, serving as an important north–south transport corridor in northern Italy.
-
D.
Cuneo–Ventimiglia railway
The Cuneo–Ventimiglia railway is a transalpine rail line in northwestern Italy that connects the Piedmont region with the Ligurian coast and France through a series of tunnels and mountain passes.
-
E.
Luino–Milan railway
The Luino–Milan railway is a rail line in northern Italy that connects the town of Luino near the Swiss border with the major city of Milan, serving both regional passenger and freight traffic.
- 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_69ca84defac48190abc1148804f184c1 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdb2f19660819083e3f15780352052 |
completed | April 2, 2026, 12:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1e41725948190a40ddcf9552e9bf1 |
completed | April 5, 2026, 4:24 a.m. |
| NEDg | Description generation | batch_69d1e4cb23a8819082c4453ae9733e8c |
completed | April 5, 2026, 4:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d1e5358b148190a6e432aac9d02544 |
completed | April 5, 2026, 4:29 a.m. |
Created at: March 30, 2026, 8:30 p.m.