Triple
T5483466
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bologna Centrale railway station |
E123520
|
entity |
| Predicate | isPartOf |
P10
|
FINISHED |
| Object |
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.
|
E524959
|
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: Bologna–Pistoia railway | Statement: [Bologna Centrale railway station, isPartOf, Bologna–Pistoia railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bologna–Pistoia railway Context triple: [Bologna Centrale railway station, isPartOf, Bologna–Pistoia railway]
-
A.
Bologna–Florence railway
The Bologna–Florence railway is a major Italian rail line crossing the Apennine Mountains to connect the northern city of Bologna with Florence in central Italy, serving as a key corridor between northern and southern Italy.
-
B.
Bologna–Ancona railway
The Bologna–Ancona railway is a major Italian rail line connecting the inland city of Bologna with the Adriatic coastal city of Ancona, serving as an important corridor for both passenger and freight traffic.
-
C.
Empoli–Siena railway
The Empoli–Siena railway is a regional rail line in Tuscany, Italy, connecting the cities of Empoli and Siena and serving several intermediate towns including Certaldo.
-
D.
Milan–Bologna railway
The Milan–Bologna railway is a major Italian mainline rail corridor connecting the northern cities of Milan and Bologna and forming a key segment of the country’s high-capacity transport network.
-
E.
Bologna–Padua railway
The Bologna–Padua railway is a major Italian rail line in northern Italy that connects the cities of Bologna and Padua, serving as an important corridor for both regional and long-distance 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: Bologna–Pistoia railway Triple: [Bologna Centrale railway station, isPartOf, Bologna–Pistoia railway]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bologna–Pistoia railway Target entity description: 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.
-
A.
Bologna–Florence railway
The Bologna–Florence railway is a major Italian rail line crossing the Apennine Mountains to connect the northern city of Bologna with Florence in central Italy, serving as a key corridor between northern and southern Italy.
-
B.
Bologna–Ancona railway
The Bologna–Ancona railway is a major Italian rail line connecting the inland city of Bologna with the Adriatic coastal city of Ancona, serving as an important corridor for both passenger and freight traffic.
-
C.
Empoli–Siena railway
The Empoli–Siena railway is a regional rail line in Tuscany, Italy, connecting the cities of Empoli and Siena and serving several intermediate towns including Certaldo.
-
D.
Milan–Bologna railway
The Milan–Bologna railway is a major Italian mainline rail corridor connecting the northern cities of Milan and Bologna and forming a key segment of the country’s high-capacity transport network.
-
E.
Bologna–Padua railway
The Bologna–Padua railway is a major Italian rail line in northern Italy that connects the cities of Bologna and Padua, serving as an important corridor for both regional and long-distance 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_69bd4648883481909e9775d43300c5fa |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd925deadc81908e193eeb75b63d90 |
completed | March 20, 2026, 6:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf833b88d881908e9b6180c74f72fb |
completed | March 22, 2026, 5:50 a.m. |
| NEDg | Description generation | batch_69bf83c14dac8190878c6929618a7905 |
completed | March 22, 2026, 5:53 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf8437ed0c8190a286489b0a34586a |
completed | March 22, 2026, 5:55 a.m. |
Created at: March 20, 2026, 2:10 p.m.